debugmem.cpp

/*
 *
 * Combined Enforcer, MungWall and SegTracker emulation.
 *
 */

#include "sysconfig.h"
#include "sysdeps.h"

#include "options.h"
#include "memory.h"
#include "newcpu.h"
#include "debug.h"
#include "debugmem.h"
#include "filesys.h"
#include "zfile.h"
#include "uae.h"
#include "fsdb.h"
#include "rommgr.h"

#define ELFMODE_NORMAL 0
#define ELFMODE_ROM 1
#define ELFMODE_DEBUGMEM 2

#define ELF_ALIGN_MASK 7

#define N_GSYM 0x20
#define N_FUN 0x24
#define N_STSYM 0x26
#define N_LCSYM 0x28
#define N_MAIN 0x2a
#define N_ROSYM 0x2c
#define N_RSYM 0x40
#define N_SLINE 0x44
#define N_DSLINE 0x46
#define N_SSYM 0x60
#define N_SO 0x64
#define N_LSYM 0x80
#define N_SOL 0x84
#define N_PSYM 0xa0
#define N_EINCL 0xa2
#define N_LBRAC 0xc0
#define N_RBRAC 0xe0

#define MAX_SOURCELINELEN 100

static mem_get_func debugmem_func_lgeti;
static mem_get_func debugmem_func_wgeti;
static mem_get_func debugmem_func_lget;
static mem_get_func debugmem_func_wget;
static mem_get_func debugmem_func_bget;
static mem_put_func debugmem_func_lput;
static mem_put_func debugmem_func_wput;
static mem_put_func debugmem_func_bput;
static xlate_func debugmem_func_xlate;
bool debugmem_initialized;
static bool debug_waiting;
static uaecptr debug_task;
static uae_u8 *exec_thistask;
static int executable_last_segment;
static bool libraries_loaded, fds_loaded;
static bool debugmem_mapped;

static int debugstack_word_state;
static uaecptr debugstack_word_addr;
static uaecptr debugstack_word_val;
static bool break_stack_pop, break_stack_push, break_stack_s;
static bool debugmem_active;
static int stackframemode;

uae_u32 debugmem_chiplimit;
bool debugmem_trace;

#define MAX_DEBUGMEMALLOCS 10000
#define MAX_DEBUGSEGS 1000
#define MAX_DEBUGSYMS 10000
#define MAX_STACKVARS 10000
#define MAX_DEBUGCODEFILES 10000
#define MAX_STACKFRAMES 100


struct debugstackframe
{
	uaecptr current_pc;
	uaecptr branch_pc;
	uaecptr next_pc;
	uaecptr stack;
	uae_u32 regs[16];
	uae_u16 sr;
};
static struct debugstackframe *stackframes, *stackframessuper;
static int stackframecnt, stackframecntsuper;

static uae_u32 debugmemptr;

struct stab
{
	TCHAR *string;
	uae_u8 type;
	uae_u8 other;
	uae_u16 desc;
	uae_u32 val;
};
static struct stab *stabs;
static int stabscount;

struct stabtype
{
	TCHAR *name;
	uae_u32 id;
};

struct debugcodefile
{
	const TCHAR *name, *path;
	int length;
	uae_u8 *data;
	int lines;
	uae_u8 **lineptr;
	struct stabtype *stabtypes;
	int stabtypecount;
	uae_u32 start_pc;
	uae_u32 end_pc;
};
static struct debugcodefile **codefiles;
static int codefilecnt;

struct linemapping
{
	struct debugcodefile *file;
	int line;
};
static struct linemapping *linemap;
static int linemapsize;

#define SYMBOL_LOCAL 0
#define SYMBOL_GLOBAL 1

#define SYMBOLTYPE_FUNC 1

struct debugsymbol
{
	TCHAR *name;
	uae_u32 segment;
	uae_u32 allocid;
	uae_u32 value;
	uae_u32 flags;
	uae_u32 type;
	struct debugmemallocs *section;
	void *data;
};
static struct debugsymbol **symbols;
static int symbolcnt, symbolindex;

struct libname
{
	TCHAR *name;
	uae_char *aname;
	uae_u32 id;
	uae_u32 base;
};
static struct libname *libnames;
static int libnamecnt;
struct libsymbol
{
	struct libname *lib;
	TCHAR *name;
	uae_u32 value;
};
static struct libsymbol *libsymbols;
static int libsymbolcnt;

struct stackvar
{
	TCHAR *name;
	uae_u32 offset;
	struct debugsymbol *func;
};
static struct stackvar **stackvars;
static int stackvarcnt;

#define DEBUGALLOC_HUNK 1
#define DEBUGALLOC_ALLOCMEM 2
#define DEBUGALLOC_ALLOCVEC 3
#define DEBUGALLOC_SEG 4

struct debugmemallocs
{
	uae_u16 type;
	TCHAR *name;
	uae_u32 id;
	uae_u16 internalid;
	uae_u32 parentid;
	uae_u32 idtype;
	uaecptr start;
	uae_u32 size;
	uae_u32 start_page;
	uae_u32 pages;
	uaecptr pc;
	uae_u32 data;
	uae_u32 relative_start;
};

static struct debugmemallocs **allocs;
static int alloccnt;

#define HUNK_GAP 32768
#define PAGE_SIZE 256
#define PAGE_SIZE_MASK (PAGE_SIZE - 1)

#define DEBUGMEM_READ 0x01
#define DEBUGMEM_WRITE 0x02
#define DEBUGMEM_FETCH 0x04
#define DEBUGMEM_INITIALIZED 0x08
#define DEBUGMEM_STARTBLOCK 0x10
#define DEBUGMEM_ALLOCATED 0x40
#define DEBUGMEM_INUSE 0x80
#define DEBUGMEM_PARTIAL 0x100
#define DEBUGMEM_NOSTACKCHECK 0x200
#define DEBUGMEM_WRITE_NOCACHEFLUSH 0x400
#define DEBUGMEM_STACK 0x1000

struct debugmemdata
{
	uae_u16 id;
	uae_u16 flags;
	uae_u8 unused_start;
	uae_u8 unused_end;
	uae_u8 state[PAGE_SIZE];
};

static struct debugmemdata **dmd;
static int totalmemdata;

struct debugsegtracker
{
	TCHAR *name;
	uae_u32 allocid;
	uaecptr resident;
};
static struct debugsegtracker **dsegt;
static int segtrackermax, segtrackerindex;
static uae_u32 inhibit_break, last_break;

static uae_u8 *lebx(uae_u8 *p, uae_u32 *v)
{
	uae_u32 val = 0;
	for (;;) {
		uae_u8 b = *p++;
		val |= b & 0x7f;
		if (!(b & 0x80))
			break;
		val <<= 7;
	}
	*v = val;
	return p;
}

bool debugmem_break(int type)
{
	if (inhibit_break & (1 << type))
		return false;
	last_break = type;
	activate_debugger_new();
	return true;
}

static bool debugmem_break_pc(int type, uaecptr pc, int len)
{
	if (inhibit_break & (1 << type))
		return false;
	last_break = type;
	activate_debugger_new_pc(pc, len);
	return true;
}

bool debugmem_inhibit_break(int mode)
{
	if (mode < 0) {
		inhibit_break = 0;
		return true;
	} else if (mode > 0) {
		inhibit_break = 0xffffffff;
		return true;
	} else {
		inhibit_break ^= 1 << last_break;
	}
	return (inhibit_break & (1 << last_break)) != 0;
}

static void debugreportsegment(struct debugsegtracker *seg, bool verbose)
{
	struct debugmemallocs *alloc = allocs[seg->allocid];
	int parentid = alloc->id;
	for (int i = 0; i < MAX_DEBUGMEMALLOCS; i++) {
		struct debugmemallocs *a = allocs[i];
		if (a->parentid == parentid) {
			if (verbose) {
				console_out_f(_T("Segment %d (%s): %08x %08x - %08x (%d)\n"),
					a->internalid, seg->name, a->idtype, a->start, a->start + a->size - 1, a->size);
			} else {
				console_out_f(_T("Segment %d: %08x %08x - %08x (%d)\n"),
					a->internalid, a->idtype, a->start, a->start + a->size - 1, a->size);
			}
		}
	}
}

static void debugreportalloc(struct debugmemallocs *a)
{
	uae_u32 off = debugmem_bank.start;
	if (a->type == DEBUGALLOC_HUNK) {
		console_out_f(_T("Segment %d: %08x %08x - %08x (%d)"),
			a->id, a->idtype, a->start + off, a->start + off + a->size - 1, a->size);
		if (a->name) {
			console_out_f(_T(" %s"), a->name);
		}
		console_out_f(_T("\n"));
	} else if (a->type == DEBUGALLOC_ALLOCMEM) {
		console_out_f(_T("AllocMem ID=%4d: %08x %08x - %08x (%d) AllocFlags: %08x PC: %08x\n"),
			a->id, a->idtype, a->start + off, a->start + off + a->size - 1, a->size, a->data, a->pc);
	} else if (a->type == DEBUGALLOC_ALLOCVEC) {
		console_out_f(_T("AllocVec ID=%4d: %08x %08x - %08x (%d) AllocFlags: %08x PC: %08x\n"),
			a->id, a->idtype, a->start + off, a->start + off + a->size - 1, a->size, a->data, a->pc);
	} else if (a->type == DEBUGALLOC_SEG) {
		static int lastsegment;
		struct debugsegtracker *sg = NULL;
		const TCHAR *name = _T("<unknown>");
		for (int i = 0; i < MAX_DEBUGSEGS; i++) {
			sg = dsegt[(i + lastsegment) % MAX_DEBUGSEGS];
			if (sg->allocid == a->parentid) {
				name = sg->name;
				lastsegment = i;
				break;
			}
		}
		console_out_f(_T("Segment %d (%s): %08x %08x - %08x (%d)\n"),
			a->internalid, name, a->idtype, a->start, a->start + a->size - 1, a->size);
	}
}

static void debugreport(struct debugmemdata *dm, uaecptr addr, int rwi, int size, const TCHAR *msg)
{
	int offset = addr & PAGE_SIZE_MASK;
	uaecptr addr_start = addr & ~PAGE_SIZE_MASK;
	uae_u8 state = dm->state[offset];

	console_out_f(_T("Invalid access. Addr=%08x RW=%c Size=%d: %s\n"), addr, (rwi & DEBUGMEM_WRITE) ? 'W' : 'R', size, msg);
	console_out_f(_T("Page: %08x - %08x. State=%c Modified=%c, Start=%02X, End=%02X\n"),
		addr_start, addr_start + PAGE_SIZE - 1,
		!(state & (DEBUGMEM_ALLOCATED | DEBUGMEM_INUSE)) ? 'I' : (state & DEBUGMEM_WRITE) ? 'W' : 'R',
		(state & DEBUGMEM_WRITE) ? '*' : (state & DEBUGMEM_INITIALIZED) ? '+' : '-',
		dm->unused_start, PAGE_SIZE - dm->unused_end - 1);
#ifdef DEBUGGER
	if (peekdma_data.mask && (peekdma_data.addr == addr || (size > 2 && peekdma_data.addr + 2 == addr))) {
		console_out_f(_T("DMA DAT=%04x PTR=%04x\n"), peekdma_data.reg, peekdma_data.ptrreg);
	}
#endif

	debugmem_break(1);
}

#if 0
static uae_u32 debug_get_disp_ea(uaecptr pc, uae_u32 base)
{
	uae_u16 dp = get_word_debug(pc);
	pc += 2;
	int reg = (dp >> 12) & 15;
	uae_s32 regd = regs.regs[reg];
	if ((dp & 0x800) == 0)
		regd = (uae_s32)(uae_s16)regd;
	regd <<= (dp >> 9) & 3;
	if (dp & 0x100) {
		uae_s32 outer = 0;
		if (dp & 0x80) base = 0;
		if (dp & 0x40) regd = 0;

		if ((dp & 0x30) == 0x20) {
			base += (uae_s32)(uae_s16)get_word_debug(pc);
			pc += 2;
		}
		if ((dp & 0x30) == 0x30) {
			base += get_long_debug(pc);
			pc += 4;
		}

		if ((dp & 0x3) == 0x2) {
			outer = (uae_s32)(uae_s16)get_word_debug(pc);
			pc += 2;
		}
		if ((dp & 0x3) == 0x3) {
			outer = get_long_debug(pc);
			pc += 4;
		}

		if ((dp & 0x4) == 0)
			base += regd;
		if (dp & 0x3)
			base = get_long_debug(base);
		if (dp & 0x4)
			base += regd;

		return base + outer;
	} else {
		return base + (uae_s32)((uae_s8)dp) + regd;
	}
}

static uaecptr calc_jsr(void)
{
	uae_u16 opcode = regs.opcode;
	uaecptr pc = regs.instruction_pc;
	if ((opcode & 0xff00) == 0x6100) {
		uae_u8 o = opcode & 0xff;
		if (o == 0) {
			return pc + (uae_s16)get_word_debug(pc + 2) + 2;
		} else if (o == 0xff) {
			return pc + (uae_s32)get_long_debug(pc + 2) + 2;
		} else {
			return pc + (uae_s8)o + 2;
		}
	} else if ((opcode & 0xffc0) == 0x4e80) {
		int reg = opcode & 7;
		int mode = (opcode >> 3) & 7;
		switch (mode)
		{
		case 2:
			return m68k_areg(regs, reg);
		case 5:
			return m68k_areg(regs, reg) + (uae_s16)get_word_debug(pc + 2);
		case 6:
			return debug_get_disp_ea(pc + 2, m68k_areg(regs, reg));
		case 7:
			if (reg == 0)
				return (uae_u32)(uae_s16)get_word_debug(pc + 2);
			if (reg == 1)
				return get_long_debug(pc + 2);
			if (reg == 2)
				return pc + (uae_s16)get_word_debug(pc + 2) + 2;
			if (reg == 3)
				return debug_get_disp_ea(pc + 2, pc + 2);
			break;
		}
	}
	return 0xffffffff;
}
#endif

void branch_stack_pop_rte(uaecptr oldpc)
{
	if (!stackframes)
		return;
	uaecptr newpc = m68k_getpc();
	bool found = false;
	for (int i = stackframecntsuper - 1; i >= 0; i--) {
		struct debugstackframe *sf = &stackframessuper[i];
		if (sf->next_pc == newpc) {
			stackframecntsuper = i;
			found = true;
			break;
		}
	}
	if (found) {
		if (break_stack_pop) {
			break_stack_pop = false;
			debugmem_break(0);
		}
	} else {
		// if no match, it probably was stack switch to other address,
		// assume it matched..
		if (stackframecntsuper > 0)
			stackframecntsuper--;
	}
	if (found && break_stack_pop && break_stack_s) {
		break_stack_push = false;
		break_stack_pop = false;
		debugmem_break(0);
	}
}

void branch_stack_pop_rts(uaecptr oldpc)
{
	if (!stackframes)
		return;
	if (!stackframemode) {
		if (debug_waiting || (!regs.s && get_long_host(exec_thistask) != debug_task))
			return;
	}
	int cnt = regs.s ? stackframecntsuper : stackframecnt;
	uaecptr newpc = m68k_getpc();
	bool found = false;
	for (int i = cnt - 1; i >= 0; i--) {
		struct debugstackframe *sf = regs.s ? &stackframessuper[i] : &stackframes[i];
		if (sf->next_pc == newpc) {
			cnt = i;
			found = true;
			break;
		}
	}
	if (regs.s) {
		stackframecntsuper = cnt;
	} else {
		stackframecnt = cnt;
		stackframecntsuper = 0;
	}
	if (found && break_stack_pop && ((break_stack_s && regs.s) || (!break_stack_s && !regs.s))) {
		break_stack_push = false;
		break_stack_pop = false;
		debugmem_break(0);
	}
}

void branch_stack_push(uaecptr oldpc, uaecptr newpc)
{
	if (!stackframes) {
		return;
	}
	if (!stackframemode) {
		if (debug_waiting || (!regs.s && get_long_host(exec_thistask) != debug_task)) {
			return;
		}
	}
	int cnt = regs.s ? stackframecntsuper : stackframecnt;
	if (cnt >= MAX_STACKFRAMES) {
		write_log(_T("Stack frame %c max limit reached!\n"), regs.s ? 'S' : 'U');
		stackframecntsuper = 0;
		stackframecnt = 0;
		return;
	}
	struct debugstackframe *sf = regs.s ? &stackframessuper[cnt] : &stackframes[cnt];
	sf->current_pc = regs.instruction_pc;
	sf->next_pc = newpc;
	sf->stack = m68k_areg(regs, 7);
	sf->branch_pc = m68k_getpc();
	MakeSR();
	sf->sr = regs.sr;
	memcpy(sf->regs, regs.regs, sizeof(uae_u32) * 16);
	if (regs.s) {
		stackframecntsuper++;
	} else {
		stackframecnt++;
		stackframecntsuper = 0;
	}
	if (break_stack_push && ((break_stack_s && regs.s) || (!break_stack_s && !regs.s))) {
		break_stack_push = false;
		break_stack_pop = false;
		debugmem_break(11);
	}
}

bool debugmem_break_stack_pop(void)
{
	if (!stackframes)
		return false;
	break_stack_s = regs.s != 0;
	break_stack_pop = true;
	return true;
}

bool debugmem_break_stack_push(void)
{
	if (!stackframes)
		return false;
	break_stack_s = regs.s != 0;
	break_stack_pop = true;
	break_stack_push = true;
	return true;
}

void debugmem_flushcache(uaecptr addr, int size)
{
	if (!debugmem_initialized)
		return;
	if (size < 0) {
		for (int i = 0; i < totalmemdata; i++) {
			struct debugmemdata* dm = dmd[i];
			if (dm->flags & DEBUGMEM_WRITE_NOCACHEFLUSH) {
				for (int j = 0; j < PAGE_SIZE; j++) {
					dm->state[j] &= ~DEBUGMEM_WRITE_NOCACHEFLUSH;
				}
				dm->flags &= ~DEBUGMEM_WRITE_NOCACHEFLUSH;
			}
		}
		return;
	}
	if (addr + size < debugmem_bank.start || addr >= debugmem_bank.start + debugmem_bank.allocated_size)
		return;
	for (int i = 0; i < (PAGE_SIZE + size - 1) / PAGE_SIZE; i++) {
		uaecptr a = (addr & ~PAGE_SIZE) + i * PAGE_SIZE;
		if (a < debugmem_bank.start || a >= debugmem_bank.start + debugmem_bank.allocated_size)
			continue;
		struct debugmemdata* dm = dmd[(a - debugmem_bank.start) / PAGE_SIZE];
		for (int j = 0; j < PAGE_SIZE; j++) {
			uaecptr aa = a + j;
			if (aa < addr || aa >= addr + size)
				continue;
			dm->state[j] &= ~DEBUGMEM_WRITE_NOCACHEFLUSH;
		}
	}
}

static bool debugmem_func(uaecptr addr, int rwi, int size, uae_u32 val)
{
	bool ret = true;
	uaecptr oaddr = addr;
	struct debugmemdata *dmfirst = NULL;

	if (debug_waiting && (rwi & DEBUGMEM_FETCH)) {
		// first instruction?
		if (addr == debugmem_bank.start + HUNK_GAP + 8) {
			debugmem_break(2);
			debug_waiting = false;
		}
	}

	// in some situations addr may already have start substracted
	if (addr >= debugmem_bank.start) {
		addr -= debugmem_bank.start;
	}

	for (int i = 0; i < size; i++) {
		int offset = addr & PAGE_SIZE_MASK;
		int page = addr / PAGE_SIZE;
		struct debugmemdata *dm = dmd[page];
		uae_u8 state = dm->state[offset];

		if (!i)
			dmfirst = dm;

		if (!(state & DEBUGMEM_INUSE)) {
			debugreport(dm, oaddr, rwi, size, _T("Accessing invalid memory"));
			return false;
		}

		if (!(rwi & DEBUGMEM_NOSTACKCHECK) || ((rwi & DEBUGMEM_NOSTACKCHECK) && !(dm->flags & DEBUGMEM_STACK))) {
			if ((rwi & DEBUGMEM_FETCH) && !(state & DEBUGMEM_INITIALIZED) && !(state & DEBUGMEM_WRITE)) {
				debugreport(dm, oaddr, rwi, size, _T("Instruction fetch from uninitialized memory"));
				return false;
			}
			if ((rwi & DEBUGMEM_FETCH) && (state & DEBUGMEM_WRITE_NOCACHEFLUSH)) {
				debugreport(dm, oaddr, rwi, size, _T("Instruction fetch from memory that was modified without flushing caches"));
				return false;
			}
			if ((rwi & DEBUGMEM_FETCH) && (state & DEBUGMEM_WRITE) && (state & DEBUGMEM_FETCH)) {
				debugreport(dm, oaddr, rwi, size, _T("Instruction fetch from memory that was modified after being executed at least once"));
				return false;
			}
		}

		if ((rwi & DEBUGMEM_READ) && !(state & DEBUGMEM_INITIALIZED) && !(state & DEBUGMEM_WRITE)) {
			debugreport(dm, oaddr, rwi, size, _T("Reading uninitialized memory"));
			return false;
		}

		if (dm->flags & DEBUGMEM_PARTIAL) {
			if (offset < dm->unused_start) {
				debugreport(dm, oaddr, rwi, size, _T("Reading from partially invalid page (low)"));
				return false;
			}
			if (offset >= PAGE_SIZE - dm->unused_end) {
				debugreport(dm, oaddr, rwi, size, _T("Reading from partially invalid page (high)"));
				return false;
			}
		}
		if (rwi & DEBUGMEM_WRITE) {
			rwi |= DEBUGMEM_WRITE_NOCACHEFLUSH;
			dm->flags |= DEBUGMEM_WRITE_NOCACHEFLUSH;
		}
		if ((rwi & DEBUGMEM_FETCH) && (state & DEBUGMEM_WRITE))
			state &= ~(DEBUGMEM_WRITE | DEBUGMEM_WRITE_NOCACHEFLUSH);
		if ((state | rwi) != state) {
			//console_out_f(_T("addr %08x %d/%d (%02x -> %02x) PC=%08x\n"), addr, i, size, state, rwi, M68K_GETPC);
			dm->state[offset] |= rwi;
			
		}
		addr++;
	}

	return ret;
}

static uae_u32 REGPARAM2 debugmem_lget(uaecptr addr)
{
	uae_u32 v = 0xdeadf00d;
	if (debugmem_func(addr, DEBUGMEM_READ, 4, 0))
		v = debugmem_func_lget(addr);
	return v;
}
static uae_u32 REGPARAM2 debugmem_wget(uaecptr addr)
{
	uae_u32 v = 0xd00d;
	if (debugmem_func(addr, DEBUGMEM_READ, 2, 0))
		v = debugmem_func_wget(addr);
	return v;
}
static uae_u32 REGPARAM2 debugmem_bget(uaecptr addr)
{
	uae_u32 v = 0xdd;
	if (debugmem_func(addr, DEBUGMEM_READ, 1, 0))
		v = debugmem_func_bget(addr);
	return v;
}
static uae_u32 REGPARAM2 debugmem_lgeti(uaecptr addr)
{
	uae_u32 v = 0x4afc4afc;
	if (debugmem_func(addr, DEBUGMEM_READ | DEBUGMEM_FETCH, 4, 0))
		v = debugmem_func_lgeti(addr);
	return v;
}
static uae_u32 REGPARAM2 debugmem_wgeti(uaecptr addr)
{
	uae_u32 v = 0x4afc;
	if (debugmem_func(addr, DEBUGMEM_READ | DEBUGMEM_FETCH, 2, 0))
		v = debugmem_func_wgeti(addr);
	return v;
}
static void REGPARAM2 debugmem_lput(uaecptr addr, uae_u32 v)
{
	if (debugmem_func(addr, DEBUGMEM_WRITE, 4, v))
		debugmem_func_lput(addr, v);
}
static void REGPARAM2 debugmem_wput(uaecptr addr, uae_u32 v)
{
	if (debugmem_func(addr, DEBUGMEM_WRITE, 2, v))
		debugmem_func_wput(addr, v);
}
static void REGPARAM2 debugmem_bput(uaecptr addr, uae_u32 v)
{
	if (debugmem_func(addr, DEBUGMEM_WRITE, 1, v))
		debugmem_func_bput(addr, v);
}
static uae_u8 *REGPARAM2 debugmem_xlate(uaecptr addr)
{
	if (debug_waiting)
		debugmem_func(addr, DEBUGMEM_FETCH | DEBUGMEM_READ | DEBUGMEM_NOSTACKCHECK, 2, 0);
	addr -= debugmem_bank.start & debugmem_bank.mask;
	addr &= debugmem_bank.mask;
	return debugmem_bank.baseaddr + addr;
}

static int debugmem_free(uaecptr addr, uae_u32 size)
{
	uaecptr oaddr = addr;
	addr -= debugmem_bank.start;
	int page = addr / PAGE_SIZE;
	struct debugmemdata *dm = dmd[page];
	bool ok = true;

	if (!(dm->flags & DEBUGMEM_ALLOCATED)) {
		console_out_f(_T("Invalid memory free (%08x %d) Start address points to unallocated memory\n"), oaddr, size);
		ok = false;
	} else if (!(dm->flags & DEBUGMEM_STARTBLOCK)) {
		console_out_f(_T("Invalid memory free (%08x %d) Start address points to allocated memory but not start of allocated memory\n"), oaddr, size);
		ok = false;
	} else {
		struct debugmemallocs *dma = allocs[dm->id];
		if (dma->start == addr && dma->size == size) {
			// it was valid!
			for (int i = 0; i < dma->pages; i++) {
				struct debugmemdata *dm2 = dmd[page + i];
				memset(dm2, 0, sizeof(struct debugmemdata));
			}
			memset(debugmem_bank.baseaddr + dma->start_page * PAGE_SIZE, 0x95, dma->pages * PAGE_SIZE);
			memset(dma, 0, sizeof(struct debugmemallocs));
			return dm->id;
		}
		console_out_f(_T("Invalid memory free (%08x %d) ID=%d Start address points to start of allocated memory but size does not match allocation size (%d <> %d)\n"),
			oaddr, size, dm->id, size, dma->size);
	}

	// report free memory error
	int end = (size + PAGE_SIZE - 1) & ~PAGE_SIZE_MASK;
	int allocid = -1;
	for (int i = 0; i < end; i++) {
		if (page + i >= totalmemdata) {
			console_out_f(_T("Free end address is out of range\n"));
			ok = false;
			break;
		}
		struct debugmemdata *dm2 = dmd[page + i];
		if ((dm2->flags & DEBUGMEM_ALLOCATED) && allocid != page + i) {
			struct debugmemallocs *dma = allocs[dm2->id];
			console_out_f(_T("Conflicts with existing allocation ID=%d (%08x - %08x %d)\n"),
				dm->id, dma->start, dma->start + dma->size - 1, dma->size);
			debugreportalloc(dma);
			allocid = page + i;
		}
	}
	debugmem_break(3);
	return 0;
}


static uae_u32 REGPARAM2 debugmem_chipmem_lget(uaecptr addr)
{
	uae_u32 *m;

	if (addr < debugmem_chiplimit)
		return debugmem_chiphit(addr, 0, -4);
	addr &= chipmem_bank.mask;
	m = (uae_u32 *)(chipmem_bank.baseaddr + addr);
	return do_get_mem_long(m);
}

static uae_u32 REGPARAM2 debugmem_chipmem_wget(uaecptr addr)
{
	uae_u16 *m, v;

	if (addr < debugmem_chiplimit)
		return debugmem_chiphit(addr, 0, -2);
	addr &= chipmem_bank.mask;
	m = (uae_u16 *)(chipmem_bank.baseaddr + addr);
	v = do_get_mem_word(m);
	return v;
}

static uae_u32 REGPARAM2 debugmem_chipmem_bget(uaecptr addr)
{
	uae_u8 v;
	if (addr < debugmem_chiplimit)
		return debugmem_chiphit(addr, 0, -1);
	addr &= chipmem_bank.mask;
	v = chipmem_bank.baseaddr[addr];
	return v;
}

static void REGPARAM2 debugmem_chipmem_lput(uaecptr addr, uae_u32 l)
{
	if (addr < debugmem_chiplimit) {
		debugmem_chiphit(addr, l, 4);
	} else {
		uae_u32 *m;
		addr &= chipmem_bank.mask;
		m = (uae_u32 *)(chipmem_bank.baseaddr + addr);
		do_put_mem_long(m, l);
	}
}

static void REGPARAM2 debugmem_chipmem_wput(uaecptr addr, uae_u32 w)
{
	if (addr < debugmem_chiplimit) {
		debugmem_chiphit(addr, w, 2);
	} else {
		uae_u16 *m;
		addr &= chipmem_bank.mask;
		m = (uae_u16 *)(chipmem_bank.baseaddr + addr);
		do_put_mem_word(m, w);
	}
}

static void REGPARAM2 debugmem_chipmem_bput(uaecptr addr, uae_u32 b)
{
	if (addr < debugmem_chiplimit) {
		debugmem_chiphit(addr, b, 1);
	} else {
		addr &= chipmem_bank.mask;
		chipmem_bank.baseaddr[addr] = b;
	}
}

static int REGPARAM2 debugmem_chipmem_check(uaecptr addr, uae_u32 size)
{
	addr &= chipmem_bank.mask;
	return (addr + size) <= chipmem_bank.reserved_size;
}

static uae_u8 *REGPARAM2 debugmem_chipmem_xlate(uaecptr addr)
{
	addr &= chipmem_bank.mask;
	return chipmem_bank.baseaddr + addr;
}

static addrbank debugmem_chipmem_bank = {
	debugmem_chipmem_lget, debugmem_chipmem_wget, debugmem_chipmem_bget,
	debugmem_chipmem_lput, debugmem_chipmem_wput, debugmem_chipmem_bput,
	debugmem_chipmem_xlate, debugmem_chipmem_check, NULL, _T("chip"), _T("Debug Chip memory"),
	debugmem_chipmem_lget, debugmem_chipmem_wget,
	ABFLAG_RAM | ABFLAG_THREADSAFE | ABFLAG_CHIPRAM | ABFLAG_CACHE_ENABLE_BOTH, 0, 0
};

static void setchipbank(bool activate)
{
	if (activate) {
		map_banks(&debugmem_chipmem_bank, 0, 1, 0);
	} else {
		map_banks(&chipmem_bank, 0, 1, 0);
	}
}

static struct debugmemallocs *getallocblock(void)
{
	int round = 0;
	alloccnt++;
	if (alloccnt >= MAX_DEBUGMEMALLOCS) {
		alloccnt = 1;
	}
	while (allocs[alloccnt]->id != 0) {
		alloccnt++;
		if (alloccnt >= MAX_DEBUGMEMALLOCS) {
			alloccnt = 1;
			if (round) {
				console_out_f(_T("debugmem out of alloc blocks!\n"));
				return NULL;
			}
			round++;
		}
	}
	struct debugmemallocs *dm = allocs[alloccnt];
	dm->id = alloccnt;
	return dm;
}

static struct debugmemallocs *debugmem_allocate(uae_u32 size, uae_u32 flags, uae_u32 parentid)
{
	struct debugmemallocs *dm = getallocblock();
	if (!dm)
		return NULL;
	if (size >= totalmemdata) {
		console_out_f(_T("debugmem allocation larger than free space! Alloc size %d (%08x), flags %08x\n"), size, size, flags);
		return 0;
	}
	int offset = debugmemptr / PAGE_SIZE;
	bool gotit = true;
	int totalsize = 0;
	int extrasize = 0;
	for (extrasize = HUNK_GAP; extrasize >= PAGE_SIZE; extrasize /= 2) {
		totalsize = (extrasize + size + PAGE_SIZE - 1) & ~PAGE_SIZE_MASK;
		for (int i = 0; i < totalmemdata; i++) {
			struct debugmemdata *dm = dmd[offset];
			if (offset + totalsize / PAGE_SIZE >= totalmemdata) {
				offset = 0;
				continue;
			}
			gotit = true;
			// extra + size continous space available?
			if (!(dm->flags & DEBUGMEM_ALLOCATED)) {
				for (int j = 0; j < totalsize / PAGE_SIZE; j++) {
					struct debugmemdata *dm2 = dmd[offset + j];
					if (dm->flags & DEBUGMEM_ALLOCATED) {
						gotit = false;
						break;
					}
				}
			}
			if (gotit)
				break;
			offset++;
			offset = offset % totalmemdata;
		}
		if (gotit)
			break;
	}
	if (!gotit || !totalsize || !extrasize) {
		console_out_f(_T("debugmem out of free space! Alloc size %d (%08x), flags %08x\n"), size, size, flags);
		return 0;
	}
	dm->parentid = parentid;
	dm->start_page = offset;
	dm->pages = totalsize / PAGE_SIZE;
	for (int j = 0; j < dm->pages; j++) {
		struct debugmemdata *dm2 = dmd[offset + j];
		dm2->flags |= DEBUGMEM_ALLOCATED;
		dm2->id = dm->id;
	}
	memset(debugmem_bank.baseaddr + offset * PAGE_SIZE, 0xa3, totalsize);
	int startoffset = extrasize / PAGE_SIZE;
	dm->start = (offset + startoffset) * PAGE_SIZE;
	dm->size = size;
	dm->pc = M68K_GETPC;
	for (int j = 0; j < (size + PAGE_SIZE - 1) / PAGE_SIZE; j++) {
		struct debugmemdata *dm2 = dmd[offset + startoffset + j];
		dm2->flags |= DEBUGMEM_INUSE | flags;
		if (j == 0) {
			dm2->flags |= DEBUGMEM_STARTBLOCK;
		}
		memset(dm2->state, ((flags & DEBUGMEM_INITIALIZED) ? DEBUGMEM_INITIALIZED : 0) | DEBUGMEM_INUSE, PAGE_SIZE);
		uae_u8 filler = (flags & DEBUGMEM_INITIALIZED) ? 0x00 : 0x99;
		memset(debugmem_bank.baseaddr + (offset + startoffset + j) * PAGE_SIZE, filler, PAGE_SIZE);
		if (j == (size + PAGE_SIZE - 1) / PAGE_SIZE - 1) {
			if (size & PAGE_SIZE_MASK) {
				dm2->unused_end = PAGE_SIZE - (size & PAGE_SIZE_MASK);
				dm2->flags |= DEBUGMEM_PARTIAL;
				memset(dm2->state + (PAGE_SIZE - dm2->unused_end), 0, dm2->unused_end);
				memset(debugmem_bank.baseaddr + (offset + startoffset + j) * PAGE_SIZE + (PAGE_SIZE - dm2->unused_end), 0x97, dm2->unused_end);
			}
		}
	}
	if (flags & DEBUGMEM_STACK) {
		dm->name = my_strdup(_T("STACK"));
	}
	debugmemptr = offset * PAGE_SIZE + extrasize + ((size + PAGE_SIZE - 1) & ~PAGE_SIZE_MASK);
	return dm;
}

static int debugmem_unreserve(uaecptr addr, uae_u32 size, bool noerror)
{
	for (int i = 0; i < MAX_DEBUGMEMALLOCS; i++) {
		struct debugmemallocs *alloc = allocs[i];
		if (alloc->type != DEBUGALLOC_SEG)
			continue;
		if (alloc->start == addr && alloc->size == size) {
			int id = alloc->parentid;
			memset(alloc, 0, sizeof(struct debugmemallocs));
			return id;
		}
		if (alloc->start == addr) {
			console_out_f(_T("Invalid memory unreserve %08x - %08x %d. Start address points to start of reserved memory but size does not match allocation size (%d <> %d)\n"),
				addr, addr + size - 1, size, size, alloc->size);
			return 0;
		}
	}
	if (!noerror)
		console_out_f(_T("Invalid memory unreserve %08x - %08x %d\n"), addr, addr + size - 1, size);
	return 0;
}

// 0 = allocmem
// 1 = allocvec

uaecptr debugmem_allocmem(int mode, uae_u32 size, uae_u32 flags, uae_u32 caller)
{
	if (!debugmem_bank.baseaddr || !size)
		return 0;
	if (flags & 2) // MEMF_CHIP?
		return 0;
	uae_u16 aflags = DEBUGMEM_READ | DEBUGMEM_WRITE;
	if (flags & 0x10000) // MEMF_CLEAR
		aflags |= DEBUGMEM_INITIALIZED;
	if (mode)
		size += 4;
	struct debugmemallocs *dm = debugmem_allocate(size, aflags, 0);
	if (!dm)
		return 0;
	dm->type = mode ? DEBUGALLOC_ALLOCVEC : DEBUGALLOC_ALLOCMEM;
	dm->pc = caller;
	dm->data = flags;
	debugreportalloc(dm);
	uaecptr mem = dm->start + debugmem_bank.start;
	if (mode) {
		put_long(mem, size);
		mem += 4;
	}
	return mem;
}

uae_u32 debugmem_freemem(int mode, uaecptr addr, uae_u32 size, uae_u32 caller)
{
	if (!debugmem_bank.baseaddr || addr < debugmem_bank.start || addr >= debugmem_bank.start + debugmem_bank.allocated_size)
		return 0;
	if (mode > 0) {
		addr -= 4;
		size = get_long(addr);
	}
	int id = debugmem_free(addr, size);
	if (id) {
		console_out_f(_T("ID=%d: %s(%08x,%d) %08x - %08x PC=%08x\n"), id, mode ? _T("FreeVec") : _T("AllocMem"), addr, size, addr, addr + size - 1, caller);
	}
	return 1;
}

void debugmem_trap(uaecptr stack)
{
	uae_u32 code = get_long(stack);
	uae_u16 sr = get_word(stack + 4);
	uae_u32 pc = get_long(stack + 6);
	int format = 0;
	console_out_f(_T("Trap #%d: SR=%04x PC=%08x"), code, sr, pc);
	if (currprefs.cpu_model > 68000) {
		uae_u16 sff = get_word(stack + 10);
		console_out_f(_T(" Format=%04x"), sff);
		format = sff >> 12;
		if (format > 0) {
			uae_u32 addr = get_word(stack + 12);
			console_out_f(_T(" Address=%08x"), addr);
		}
	}
	console_out_f(_T("\n"));
	// always return back to faulted instruction
#ifdef DEBUGGER
	put_long(stack + 6, regs.instruction_pc_user_exception);
	debugmem_break_pc(13, regs.instruction_pc_user_exception, 2);
#endif
}

static struct debugmemallocs *debugmem_reserve(uaecptr addr, uae_u32 size, uae_u32 parentid)
{
	struct debugmemallocs *dm = getallocblock();
	if (!dm)
		return NULL;
	dm->type = DEBUGALLOC_SEG;
	dm->parentid = parentid;
	dm->start = addr;
	dm->size = size;
	return dm;
}

uae_u32 debugmem_exit(void)
{
	bool err = false;
	console_out_f(_T("Debugged program exited\n"));
	for (int i = 0; i < MAX_DEBUGMEMALLOCS; i++) {
		struct debugmemallocs *dma = allocs[i];
		if (dma->type == DEBUGALLOC_ALLOCMEM || dma->type == DEBUGALLOC_ALLOCVEC) {
			err = true;
			console_out_f(_T("Memory allocation (%08x,%d) %08x - %08x was not freed.\n"),
				dma->start + debugmem_bank.start, dma->size,
				dma->start + debugmem_bank.start, dma->start + (dma->size - 1) + debugmem_bank.start);
		}
	}
	if (err) {
		debugmem_break(4);
	}

	debugmem_trace = false;
	debugmem_active = false;
	debugmem_chiplimit = 0;
	chipmem_setindirect();
	setchipbank(false);
	return 1;
}

static uae_u32 gl(uae_u8 *p)
{
	return (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | (p[3]);
}
static uae_u16 gw(uae_u8 *p)
{
	return (p[0] << 8) | (p[1]);
}

static bool loadcodefiledata(struct debugcodefile *cf)
{
	TCHAR fpath[MAX_DPATH];
	fpath[0] = 0;
	if (cf->path)
		_tcscat(fpath, cf->path);
	_tcscat(fpath, cf->name);
	struct zfile *zf = zfile_fopen(fpath, _T("rb"));
	if (!zf) {
		console_out_f(_T("Couldn't open source file '%s'\n"), fpath);
		return NULL;
	}
	int length;
	uae_u8 *data2 = zfile_getdata(zf, 0, -1, &length);
	if (!data2) {
		zfile_fclose(zf);
		console_out_f(_T("Couldn't read source file '%s'\n"), fpath);
		return NULL;
	}
	uae_u8 *data = xcalloc(uae_u8, length + 1);
	memcpy(data, data2, length);
	xfree(data2);
	zfile_fclose(zf);
	cf->data = data;
	cf->length = length;
	cf->lines = 1;
	for (int i = 0; i < length; i++) {
		if (data[i] == 0) {
			data[i] = 32;
		}
		if (data[i] == 10) {
			data[i] = 0;
			cf->lines++;
		}
	}
	cf->lineptr = xcalloc(uae_u8*, 1 + cf->lines + 2);
	int linecnt = 1;
	int lasti = 0;
	for (int i = 0; i <= length; i++) {
		if (data[i] == 0) {
			uae_u8 *s = &data[lasti];
			lasti = i + 1;
			if (strlen((char*)s) >= MAX_SOURCELINELEN) {
				s[MAX_SOURCELINELEN] = 0;
			}
			cf->lineptr[linecnt++] = s;
			int len = uaestrlen((char*)s);
			if (len > 0 && s[len - 1] == 13)
				s[len - 1] = 0;
		}
	}
	return true;
}

static struct debugcodefile *preallocatecodefile(const TCHAR *path, const TCHAR *name)
{
	struct debugcodefile *cf = codefiles[codefilecnt];
	if (!cf) {
		cf = codefiles[codefilecnt] = xcalloc(struct debugcodefile, 1);
	}
	codefilecnt++;
	cf->name = my_strdup(name);
	if (path)
		cf->path = my_strdup(path);
	return cf;
}

static void freecodefile(struct debugcodefile *cf)
{
	for (int i = 0; i < codefilecnt; i++) {
		struct debugcodefile *c = codefiles[i];
		if (c == cf) {
			xfree(codefiles[i]);
			codefiles[i] = NULL;
		}
	}
}

static struct debugcodefile *loadcodefile(const TCHAR *path, const TCHAR *name)
{
	struct debugcodefile *cf = preallocatecodefile(path, name);
	if (!loadcodefiledata(cf)) {
		freecodefile(cf);
		cf = NULL;
	} else {
		console_out_f(_T("Loaded source file '%s' '%s', %d bytes, %d lines\n"), cf->path, cf->name, cf->length, cf->lines);
	}
	return cf;
}

static uae_u32 maptohunks(uae_u32 offset)
{
	for (int i = 1; i <= executable_last_segment; i++) {
		struct debugmemallocs *alloc = allocs[i];
		if (offset >= alloc->relative_start && offset < alloc->relative_start + alloc->size) {
			uae_u32 address = offset - alloc->relative_start + alloc->start + debugmem_bank.start + 8;
			return address;
		}
	}
	return 0xffffffff;
}

static struct debugsymbol *issymbol(const TCHAR *name)
{
	for (int i = 0; i < symbolcnt; i++) {
		struct debugsymbol *ds = symbols[i];
		if (ds->allocid && !_tcsicmp(ds->name, name)) {
			return ds;
		}
	}
	return NULL;
}


static struct stab *findstab(uae_u8 type, int *idxp)
{
	int idx = idxp ? *idxp : 0;
	while (idx < stabscount) {
		if (stabs[idx].type == type) {
			if (idxp)
				*idxp = idx + 1;
			return &stabs[idx];
		}
		idx++;
	}
	return NULL;
}

static void parse_stabs(void)
{
	TCHAR *path = NULL;
	TCHAR *pathprefix = NULL;
	struct stab *s;
	int idx;
	static int pmindex;

	pathprefix = cfgfile_option_get(currprefs.debugging_options, _T("pathprefix"));

	idx = 0;
	for (;;) {
		s = findstab(N_SO, &idx);
		if (!s)
			break;
		if (s->string && s->string[_tcslen(s->string) - 1] == '/') {
			path = s->string;
			break;
		}
	}
	idx = 0;
	while (idx < stabscount) {
		s = &stabs[idx++];
		if (!s)
			break;
		if (s->type == N_SO && s->string && s->string[_tcslen(s->string) - 1] != '/') {
			int pm = pmindex;
			struct debugcodefile *cf = NULL;
			for (int pmi = 0; pmi <= 5; pmi++, pm++) {
				TCHAR path2[MAX_DPATH];
				TCHAR *f = NULL, *p = NULL;
				if (pm > 5)
					pm = 0;
				if (pm == 5) {
					// wsl path
					if (!_tcsnicmp(path, _T("/mnt/"), 5)) {
						TCHAR path2[MAX_DPATH];
						_stprintf(path2, _T("%c:/%s"), path[5], path + 7);
						f = s->string;
						p = path2;
					}
				} else if (pm == 4) {
					// cygwin path
					if (!_tcsnicmp(path, _T("/cygdrive/"), 10)) {
						TCHAR path2[MAX_DPATH];
						_stprintf(path2, _T("%c:/%s"), path[10], path + 12);
						f = s->string;
						p = path2;
					}
				} else if (pm == 3) {
					// pathprefix + path + file
					if (pathprefix) {
						_stprintf(path2, _T("%s%s"), pathprefix, path);
						f = s->string;
						p = path2;
					}
				} else if (pm == 2) {
					// pathprefix + file
					if (pathprefix) {
						_stprintf(path2, _T("%s%s"), pathprefix, s->string);
						f = path2;
					}
				} else if (pm == 1) {
					// path + file
					f = s->string;
					p = path;
				} else {
					// file
					f = s->string;
				}
				if (f) {
					cf = loadcodefile(p, f);
					if (cf)
						break;
				}
			}
			if (!cf) {
				console_out_f(_T("Failed to load '%s'\n"), s->string);
				continue;
			}
			pmindex = pm;
			int linecnt = 0;
			struct debugsymbol *last_func = NULL;
			while (idx < stabscount) {
				TCHAR stripname[256];
				int type = 0;
				TCHAR mode = 0;
				s = &stabs[idx++];
				if (s->type == N_SO)
					break;
				if (s->string) {
					_tcscpy(stripname, s->string);
					const TCHAR *ss = _tcschr(s->string, ':');
					if (ss) {
						mode = ss[1];
						type = _tstol(ss + 2);
						stripname[ss - s->string] = 0;
					}
				}

				switch(s->type)
				{
					case N_SLINE:
					case N_DSLINE:
						if (s->val >= linemapsize) {
							console_out_f(_T("Line address larger than segment size!? %08x >= %08x\n"), s->val, linemapsize);
							return;
						}
						if (cf) {
							linemap[s->val].file = cf;
							linemap[s->val].line = s->desc;
							//write_log(_T("%08x %d %s\n"), s->val, s->desc, cf->name);
							linecnt++;
						}
					break;
					case N_FUN:
					case N_STSYM:
					case N_LCSYM:
					{
						if (s->string) {
							struct debugsymbol *ds = issymbol(s->string);
							if (!ds) {
								uae_u32 addr = maptohunks(s->val);
								if (addr != 0xffffffff) {
									ds = symbols[symbolcnt++];
									ds->name = my_strdup(stripname);
									ds->value = addr;
									ds->flags = mode == mode > 'Z' ? SYMBOL_LOCAL : SYMBOL_GLOBAL;
								}
							}
							if (ds) {
								if (mode == 'F' || mode == 'f')
									ds->type = SYMBOLTYPE_FUNC;
								if (s->type == N_FUN) {
									last_func = ds;
								}
							}
						}
					}
					break;
					case N_GSYM:
					{
						for (int i = 0; i < symbolcnt; i++) {
							struct debugsymbol *ds = symbols[i];
							if (ds->name[0] == '_' && !_tcscmp(ds->name + 1, stripname)) {
								ds->flags = SYMBOL_GLOBAL;
								break;
							}
						}
					}
					break;
					case N_LSYM:
					{
						// type?
						const TCHAR *ts = _tcschr(s->string, '=');
						if (ts) {
							const TCHAR *tts = _tcschr(s->string, ':');
							if (tts && cf) {
								int tid = _tstol(tts + 2);
								if (tid > 0) {
									if (!cf->stabtypes) {
										cf->stabtypecount = 1000;
										cf->stabtypes = xcalloc(struct stabtype, cf->stabtypecount);
									}
									if (tid < cf->stabtypecount) {
										struct stabtype *st = &cf->stabtypes[tid];
										st->name = my_strdup(s->string);
										st->name[tts - s->string] = 0;
										st->id = tid;
									}
								}
							}
						} else if (last_func) {
							// stack variable
							if (stackvarcnt < MAX_STACKVARS) {
								struct stackvar *sv = stackvars[stackvarcnt++];
								sv->func = last_func;
								sv->name = my_strdup(stripname);
								sv->offset = s->val;
								if (!last_func->data)
									last_func->data = sv;
							}
						}
					}
					break;
					case N_LBRAC:
					case N_RBRAC:
					break;
					case N_ROSYM:
					case N_RSYM:
						//console_out_f(_T("%02x %02x %04x %08x %s\n"), s->type, s->other, s->desc, s->val, s->string);
					break;
					default:
						//console_out_f(_T("%02x %02x %04x %08x %s\n"), s->type, s->other, s->desc, s->val, s->string);
					break;
				}
			}
		}
	}
	/*
	int prev = -1;
	for (int i = 0; i < linemapsize; i++) {
		struct linemapping *lm = &linemap[i];
		if (lm->line >= 0) {
			prev = i;
		} else if (prev >= 0 && lm->line < 0) {
			lm->file = linemap[prev].file;
			lm->line = linemap[prev].line;
		}

	}
	*/
	xfree(pathprefix);
}

static uae_u32 getrombase(int size)
{
	if (size > 524288 * 3)
		return 0;
	if (size > 524288 * 2) {
		return 0xa00000;
	} else if (size > 524288 * 1) {
		return 0xa80000;
	} else {
		return 0xf80000;
	}
}

static void addsimplesymbol(const TCHAR *name, uae_u32 v, int type, int flags, int segmentid, int segmentnum)
{
	if (!symbols)
		return;

	for (int i = 0; i < symbolcnt; i++) {
		struct debugsymbol *ds = symbols[i];
		if (ds->segment == segmentid && ds->name && !_tcscmp(name, ds->name))
			return;
	}
	//write_log(_T("ELF Section %d, symbol %s=%08x\n"), segmentnum, name, v);
	int rnd = 0;
	for (;;) {
		if (symbolindex >= MAX_DEBUGSYMS) {
			symbolindex = 0;
			rnd++;
			if (rnd > 1)
				return;
		} else {
			symbolindex++;
		}
		struct debugsymbol *ds = symbols[symbolindex];
		if (ds->allocid == 0) {
			ds->allocid = -1;
			ds->name = my_strdup(name);
			ds->value = v;
			ds->type = type;
			ds->flags = flags;
			ds->segment = segmentid;
			if (symbolindex >= symbolcnt)
				symbolcnt = symbolindex + 1;
			return;
		}
	}
}

static uae_u8 *loadhunkfile(uae_u8 *file, int filelen, uae_u32 seglist, int segmentid, int *outsizep, bool rommode)
{
	uae_u8 *p = file;
	uae_u8 *out = NULL;

	if (gl(p) != 0x3f3) {
		return NULL;
	}
	p += 4;
	if (gl(p) != 0) {
		return 0;
	}
	p += 4;
	int hunktotal = gl(p);
	int first = gl(p + 4);
	int last = gl(p + 8);
	if (hunktotal > 1000 || (last - first + 1) > 1000) {
		return 0;
	}
	if (first > last) {
		return 0;
	}
	p += 12;
	uae_u32 *hunklens = xcalloc(uae_u32, last + 1);
	uae_u32 *hunkoffsets = xcalloc(uae_u32, last + 1);
	int totalsize = 0;
	for (int i = first; i <= last; i++) {
		uae_u32 len = gl(p);
		p += 4;
		if ((len & 0xc0000000) == 0xc0000000) {
			p += 4;
		}
		len &= ~(0x80000000 | 0x40000000);
		hunklens[i] = len * 4;
		hunkoffsets[i] = totalsize;
		totalsize += hunklens[i];
	}
	uae_u32 relocate_base = getrombase(totalsize);
	int outsize = 0;
	int hunkindex = -1;
	for (;;) {
		uae_u32 hunktype = gl(p) & ~0xc0000000;
		if (hunktype == 0x3e9 || hunktype == 0x3ea || hunktype == 0x3eb) {
			uae_u32 hunklen = gl(p + 4) * 4;
			p += 8;
			hunkindex++;
			if (!out)
				out = xcalloc(uae_u8, outsize + hunklens[hunkindex]);
			else
				out = xrealloc(uae_u8, out, outsize + hunklens[hunkindex]);
			memset(out + outsize, 0, hunklens[hunkindex]);
			if (hunktype != 0x3eb) {
				memcpy(out + outsize, p, hunklen);
				p += hunklen;
			}
			outsize += hunklens[hunkindex];

			if (gl(p) == 0x3ec || gl(p) == 0x3f7) { // reloc

				bool shortrel = gl(p) == 0x3f7;
				int reladd = shortrel ? 2 : 4;
				uae_u8 *po = p;
				p += 4;
				for (;;) {
					int reloccnt = shortrel ? gw(p) : gl(p);
					p += reladd;
					if (!reloccnt)
						break;
					int relochunk = shortrel ? gw(p) : gl(p);
					p += reladd;
					if (relochunk > last) {
						xfree(hunkoffsets);
						xfree(hunklens);
						xfree(out);
						return 0;
					}
					uaecptr hunkptr = hunkoffsets[relochunk] + relocate_base;
					uae_u8 *currenthunk = out + hunkoffsets[relochunk];
					for (int j = 0; j < reloccnt; j++) {
						uae_u32 reloc = shortrel ? gw(p) : gl(p);
						p += reladd;
						if (reloc >= outsize - 3) {
							return 0;
						}
						put_long_host(currenthunk + reloc, get_long_host(currenthunk + reloc) + hunkptr);
					}
				}
				if ((p - po) & 2) {
					p += 2;
				}
			}
			continue;
		}

		if (hunktype == 0x3f0) { // symbol
			int symcnt = 0;
			p += 4;
			for (;;) {
				int size = gl(p);
				p += 4;
				if (!size)
					break;
				if (hunkindex >= 0) {
					p += 4 * size;
					addsimplesymbol(au((char*)p), gl(p) + hunkoffsets[hunkindex] + 8 + relocate_base, 0, SYMBOL_GLOBAL, hunkindex, -1);
					p += 4;
				} else {
					p += 4 * size + 4;
				}
			}
		} else if (hunktype == 0x3f2) {

			p += 4;

		} else {

			break;

		}
	}
	xfree(hunkoffsets);
	xfree(hunklens);
	*outsizep = outsize;
	return out;
}

static uaecptr loaddebugmemhunkfile(uae_u8 *p, uae_u32 len, uae_u32 *parentidp)
{
	uae_u8 *lastptr = NULL;
	struct debugmemallocs *hunks[1000];
	uae_u32 lens[1000], memtypes[1000];
	uae_u32 parentid = 0;

	p += 4;
	if (gl(p) != 0) {
		console_out_f(_T("Long word after HUNK_HEADER is not zero!\n"));
		return 0;
	}
	p += 4;
	int hunktotal = gl(p);
	int first = gl(p + 4);
	int last = gl(p + 8);
	if (hunktotal > 1000 || (last - first + 1) > 1000) {
		console_out_f(_T("Too many hunks.\n"));
		return 0;
	}
	if (first > last) {
		console_out_f(_T("First hunk larger than last hunk (%d > %d).\n"), first, last);
		return 0;
	}
	p += 12;
	uae_u32 relative_start = 0;
	for (int i = first; i <= last; i++) {
		uae_u32 len = gl(p);
		p += 4;
		memtypes[i] = 0;
		if ((len & 0xc0000000) == 0xc0000000) {
			memtypes[i] = gl(p);
			p += 4;
		} else if (len & 0x40000000) {
			memtypes[i] = 0x40000000;
		} else {
			memtypes[i] = len & 0xc0000000;
		}
		len &= ~(0x80000000 | 0x40000000);
		lens[i] = len * 4;
		struct debugmemallocs *dma = debugmem_allocate(lens[i] + 8, DEBUGMEM_READ | DEBUGMEM_WRITE | DEBUGMEM_FETCH | DEBUGMEM_INITIALIZED, parentid);
		hunks[i] = dma;
		dma->type = DEBUGALLOC_HUNK;
		dma->relative_start = relative_start;
		relative_start += lens[i];
		if (!hunks[i]) {
			console_out_f(_T("Hunk #%d memory allocation failed, size %d\n"), i, len + 8);
			return 0;
		}
		if (!parentid) {
			parentid = hunks[i]->id;
		}
		linemapsize += lens[i];
	}
	int hunkcnt = first - 1;
	for (;;) {
		uae_u32 hunktype = gl(p) & ~0xc0000000;

		if (hunktype == 0x3e9 || hunktype == 0x3ea || hunktype == 0x3eb) {
			hunkcnt++;
			if (hunkcnt > last) {
				console_out_f(_T("Header hunk count does not match hunk count\n"));
				return 0;
			}

			struct debugmemallocs *memdm = hunks[hunkcnt];
			uae_u32 len = lens[hunkcnt];
			uae_u32 hunklen = gl(p + 4);
			hunklen *= 4;
			p += 8;
			uae_u32 memflags = 0;
			memdm->idtype = hunktype | memtypes[hunkcnt];
			if (hunklen > len) {
				console_out_f(_T("Hunk #%d contents (%d) larger than allocation (%d)!\n"), hunkcnt, hunklen, len);
				return 0;
			}
			uae_u8 *mem = memdm->start + debugmem_bank.baseaddr;
			uaecptr memaddr = memdm->start + debugmem_bank.start;
			if (hunktype != 0x3eb) {
				for (int c = 0; c < hunklen; c++) {
					put_byte_host(mem + 8 + c, *p++);
				}
			}
			put_long_host(mem, len / 4);
			if (lastptr) {
				put_long_host(lastptr, memaddr / 4 + 1);
			}
			lastptr = mem + 4;
			if (gl(p) == 0x3ec || gl(p) == 0x3f7) { // hunk reloc
				bool shortrel = gl(p) == 0x3f7;
				int reladd = shortrel ? 2 : 4;
				uae_u8 *po = p;
				if (hunktype == 0x3eb) {
					console_out_f(_T("HUNK_BSS with HUNK_RELOC32!\n"));
					return 0;
				}
				p += 4;
				for (;;) {
					int reloccnt = shortrel ? gw(p) : gl(p);
					p += reladd;
					if (!reloccnt)
						break;
					int relochunk = shortrel ? gw(p) : gl(p);
					p += reladd;
					if (relochunk > last) {
						console_out_f(_T("HUNK_RELOC hunk #%d is larger than last hunk (%d)!\n"), relochunk, last);
						return 0;
					}
					uaecptr hunkptr = hunks[relochunk]->start + debugmem_bank.start + 8;
					uae_u8 *currenthunk = mem + 8;
					for (int j = 0; j < reloccnt; j++) {
						uae_u32 reloc = shortrel ? gw(p) : gl(p);
						p += reladd;
						if (reloc >= len - 3) {
							console_out_f(_T("HUNK_RELOC hunk #%d offset %d larger than hunk lenght %d!\n"), hunkcnt, reloc, len);
							return 0;
						}
						put_long_host(currenthunk + reloc, get_long_host(currenthunk + reloc) + hunkptr);
					}
				}
				if ((p - po) & 2) {
					p += 2;
				}
			}
			continue;
		}

		if (hunktype == 0x3f0) { // hunk symbol

			int symcnt = 0;
			p += 4;
			for (;;) {
				int size = gl(p);
				p += 4;
				if (!size)
					break;
				if (hunkcnt >= 0) {
					struct debugsymbol *ds = symbols[symbolcnt++];
					ds->name = au((char*)p);
					p += 4 * size;
					ds->value = gl(p) + hunks[hunkcnt]->start + 8 + debugmem_bank.start;
					ds->allocid = hunks[hunkcnt]->id;
					ds->section = hunks[hunkcnt];
					ds->flags = SYMBOL_GLOBAL;
					p += 4;
					symcnt++;
				} else {
					p += 4 * size + 4;
				}
			}
			console_out_f(_T("Hunk %d: %d symbols loaded.\n"), hunkcnt, symcnt);

		} else if (hunktype == 0x3f1) { // hunk debug

			p += 4;
			int size = gl(p);
			p += 4;
			uae_u8 *p2 = p;
			if (size >= 12) {
				if (gl(p) == 0x0000010b) { // "ZMAGIC"
					p += 4;
					int symtab_size = gl(p);
					p += 4;
					int stringtab_size = gl(p);
					p += 4;
					uae_u8 *stringtab = p + symtab_size;
					if (!stabs) {
						stabs = xcalloc(struct stab, symtab_size / 12);
					} else {
						stabs = xrealloc(struct stab, stabs, stabscount + symtab_size / 12);
					}
					for (int i = 0; i <= symtab_size - 12; i += 12, p += 12) {
						struct stab *s = &stabs[stabscount++];
						TCHAR *str = NULL;
						int string_idx = gl(p);
						uae_u8 type = p[4];
						uae_u8 other = p[5];
						uae_u16 desc = (p[6] << 8) | p[7];
						uae_u32 value = gl(p + 8);
						if (string_idx) {
							uae_char *s = (uae_char*)stringtab + string_idx;
							str = au(s);
						}
						s->type = type;
						s->other = other;
						s->desc = desc;
						s->val = value;
						s->string = str;
					}
					console_out_f(_T("%d stabs loaded.\n"), symtab_size / 12);
				} else {
					console_out_f(_T("HUNK_DEBUG is not in expected format\n"));
				}
			}
			p = p2 + 4 * size;

		} else if (hunktype == 0x3f2) {

			p += 4;

		} else {

			break;

		}
	}
	if (gl(p - 4) != 0x3f2) {
		console_out_f(_T("HUNK_END not found, got %08x\n"), gl(p - 4));
		return 0;
	}
	*parentidp = parentid;
	return hunks[first]->start;
}

static uae_u8 *loadelffile(uae_u8 *file, int filelen, uae_u8 *dbgfile, int debugfilelen, uae_u32 seglist, int segmentid, int *outsizep, uae_u32 *startp, uae_u32 *parentidp, int mode);

uaecptr debugmem_reloc(uaecptr exeaddress, uae_u32 len, uaecptr dbgaddress, uae_u32 dbglen, uaecptr task, uae_u32 *stack)
{
	uae_u8 *p = get_real_address(exeaddress);
	uae_u32 start;
	uae_u32 parentid;

	debugmem_init(true);
	if (!debugmem_initialized)
		return 0;

	console_out_f(_T("Loading executable, exe=%08x\n"), exeaddress);

	if (gl(p) == 0x7f454c46) {
		uae_u8 *dp = NULL;
		if (dbgaddress)
			dp = get_real_address(dbgaddress);
		if (!loadelffile(p, len, dp, dbglen, 0, 0, NULL, &start, &parentid, ELFMODE_DEBUGMEM)) {
			return 0;
		}
	} else if (gl(p) == 0x000003f3) {
		start = loaddebugmemhunkfile(p, len, &parentid);
		if (!start) {
			return 0;
		}
	} else {
		console_out_f(_T("Not executable! %02x%02x%02x%02x\n"), p[0], p[1], p[2], p[3]);
		return 0;
	}

	if (*stack) {
		struct debugmemallocs *stackmem = debugmem_allocate(*stack, DEBUGMEM_READ | DEBUGMEM_WRITE | DEBUGMEM_INITIALIZED | DEBUGMEM_STACK, parentid);
		if (!stackmem)
			return 0;
		stackmem->type = DEBUGALLOC_HUNK;
		stackmem->idtype = 0xffff;
		*stack = stackmem->start + debugmem_bank.start;
	}
	executable_last_segment = alloccnt;

	linemap = xcalloc(struct linemapping, linemapsize + 1);
	for (int i = 0; i < linemapsize + 1; i++) {
		linemap[i].line = -1;
	}

	parse_stabs();
	for (int i = 1; i <= executable_last_segment; i++) {
		debugreportalloc(allocs[i]);
	}

	console_out_f(_T("Executable load complete.\n"));
#ifdef DEBUGGER
	uaecptr execbase = get_long_debug(4);
	exec_thistask = get_real_address(execbase + 276);
#endif
	setchipbank(true);
	chipmem_setindirect();
	debugger_scan_libraries();

	debug_waiting = true;
	debug_task = task;
	debugmem_trace = true;
	debugmem_active = true;
	return start + debugmem_bank.start + 8;
}

static uae_char *gethunktext(uae_u8 *p, uae_char *namebuf, int len)
{
	memcpy(namebuf, p, len);
	namebuf[len] = 0;
	return namebuf;
}

static void scan_library_list(uaecptr v, int *cntp)
{
#ifdef DEBUGGER
	while ((v = get_long_debug(v))) {
		uae_u32 v2;
		uae_u8 *p;
		addrbank *b = &get_mem_bank(v);
		if (!b || !b->check(v, 32) || !(b->flags & ABFLAG_RAM))
			return;
		v2 = get_long_debug(v + 10); // name
		b = &get_mem_bank(v2);
		if (!b || !b->check(v2, 20))
			return;
		if (!(b->flags & ABFLAG_ROM) && !(b->flags & ABFLAG_ROMIN) && !(b->flags & ABFLAG_RAM))
			return;
		p = b->xlateaddr(v2);
		struct libname *found = NULL;
		for (int i = 0; i < libnamecnt; i++) {
			struct libname *name = &libnames[i];
			char n[256];
			sprintf(n, "%s.library", name->aname);
			if (!strcmp((char*)p, n)) {
				name->base = v;
				found = name;
				break;
			}
			sprintf(n, "%s.device", name->aname);
			if (!strcmp((char*)p, n)) {
				name->base = v;
				found = name;
				break;
			}
			sprintf(n, "%s.resource", name->aname);
			if (!strcmp((char*)p, n)) {
				name->base = v;
				found = name;
				break;
			}
		}
		if (found) {
			(*cntp)++;
			//console_out_f(_T("%08x = '%s'\n"), found->base, found->name);
		}
	}
#endif
}

void debugger_scan_libraries(void)
{
#ifdef DEBUGGER
	if (!libnamecnt)
		return;
	uaecptr v = get_long_debug(4);
	addrbank *b = &get_mem_bank(v);
	if (!b || !b->check(v, 400) || !(b->flags & ABFLAG_RAM))
		return;
	int cnt = 0;
	scan_library_list(v + 378, &cnt);
	scan_library_list(v + 350, &cnt);
	scan_library_list(v + 336, &cnt);
	console_out_f(_T("%d libraries matched with library symbols.\n"), cnt);
#endif
}


bool debugger_get_library_symbol(uaecptr base, uaecptr addr, TCHAR *out)
{
	for (int i = 0; i < libnamecnt; i++) {
		struct libname *name = &libnames[i];
		if (name->base == base) {
			for (int j = 0; j < libsymbolcnt; j++) {
				struct libsymbol *lvo = &libsymbols[j];
				if (lvo->lib == name) {
					if (lvo->value == addr) {
						_stprintf(out, _T("%s/%s"), name->name, lvo->name);
						return true;
					}
				}
			}
		}
	}
	return false;
}

static void addlvo(struct libname *lvo, const char *name, uae_u32 bias)
{
	struct libsymbol *ls = &libsymbols[libsymbolcnt++];
	ls->name = au(name);
	ls->value = -(uae_s32)bias;
	ls->lib = lvo;
}

static bool debugger_load_fd(void)
{
	TCHAR plugin_path[MAX_DPATH];
	TCHAR path[MAX_DPATH];
	uae_char line[256];
	struct my_opendir_s *h;
	struct zfile *zf = NULL;

	if (fds_loaded)
		return true;
	fds_loaded = true;

	if (!get_plugin_path(plugin_path, sizeof plugin_path / sizeof(TCHAR), _T("debugger\\fd")))
		return false;
	h = my_opendir(plugin_path);
	if (!h)
		return false;

	for (;;) {
		TCHAR filename[MAX_DPATH];
		if (!my_readdir(h, filename))
			break;
		if (_tcslen(filename) < 3 || _tcsicmp(filename + _tcslen(filename) - 3, _T(".fd")))
			continue;

		_tcscpy(path, plugin_path);
		_tcscat(path, filename);
		zf = zfile_fopen(path, _T("rb"));
		if (!zf)
			continue;

		int cnt = 0;
		int bias = -1;
		struct libname *lvo = NULL;
		uae_u32 lvoid = 1;
		if (libnamecnt > 0) {
			lvoid = libnames[libnamecnt - 1].id;
		}
		for (;;) {
			if (!zfile_fgetsa(line, sizeof(line), zf))
				break;
			for (;;) {
				int len = uaestrlen(line);
				if (len < 1)
					break;
				char c = line[len - 1];
				if (c != 10 && c != 13 && c != 32 && c != '\t')
					break;
				line[len - 1] = 0;
			}
			if (line[0] == '#' && line[1] == '#') {
				char *p1 = &line[2];
				char *p2 = strchr(p1, ' ');
				if (p2) {
					*p2 = 0;
					p2++;
				}
				if (!strcmp(p1, "base")) {
					if (p2[0] == '_')
						p2++;
					lvo = &libnames[libnamecnt++];
					TCHAR *name2 = au(p2);
					lvo->name = name2;
					lvo->aname = strdup(p2);
					lvo->id = lvoid++;
					cnt = 0;
				} else if (!strcmp(p1, "bias")) {
					bias = atol(p2);
				}
				continue;
			}
			if (line[0] == '*' || line[0] == '#')
				continue;
			if (bias < 0 || !lvo)
				continue;
			char *p3 = strchr(line, '(');
			if (p3)
				*p3 = 0;
			addlvo(lvo, line, bias);
			bias += 6;
			cnt++;
		}
		if (lvo)
			console_out_f(_T("Loaded '%s', %d LVOs\n"), lvo->name, cnt);
		zfile_fclose(zf);
	}
	my_closedir(h);


	for (int i = 0; i < libnamecnt; i++) {
		struct libname *libname = &libnames[i];
		bool open = false, close = false, expunge = false, reserved = false;
		for (int j = 0; j < libsymbolcnt; j++) {
			struct libsymbol *lvo = &libsymbols[j];
			if (lvo->lib == libname) {
				if (lvo->value == -6 * 1)
					open = true;
				if (lvo->value == -6 * 2)
					close = true;
				if (lvo->value == -6 * 3)
					expunge = true;
				if (lvo->value == -6 * 4)
					reserved = true;
			}
		}
		if (!open)
			addlvo(libname, "open", 6 * 1);
		if (!close)
			addlvo(libname, "close", 6 * 2);
		if (!expunge)
			addlvo(libname, "expunge", 6 * 3);
		if (!reserved)
			addlvo(libname, "reserved", 6 * 4);
	}


	return true;
}

static bool debugger_load_library(const TCHAR *name)
{
	TCHAR plugin_path[MAX_DPATH];
	uae_char namebuf[256];
	bool ret = false;
	int filelen;
	struct zfile *zf = NULL;
	struct libname* lvo = NULL;
	int lvoid = 1;

	if (libraries_loaded)
		return true;
	libraries_loaded = true;

	if (get_plugin_path(plugin_path, sizeof plugin_path / sizeof(TCHAR), _T("debugger"))) {
		_tcscat(plugin_path, name);
		zf = zfile_fopen(plugin_path, _T("rb"));
	}
	if (!zf) {
		zf = zfile_fopen(name, _T("rb"));
		if (!zf) {
			console_out_f(_T("Couldn't open '%s'\n"), name);
			return false;
		}
	}
	uae_u8 *file = zfile_getdata(zf, 0, -1, &filelen);
	zfile_fclose(zf);

	uae_u32 len;
	uae_u8 *p = file;
	if (gl(p) != 0x03e7) {
		console_out_f(_T("'%s' is not a library\n"), name);
		goto end;
	}

	if (!libnames) {
		libnames = xcalloc(struct libname, 1000);
		libsymbols = xcalloc(struct libsymbol, 10000);
	}

	for (;;) {
		if (p == file + filelen) {
			ret = true;
			goto end;
		}
		if (p == file + filelen) {
			goto end;
		}
		uae_u32 hunk = gl(p);
		p += 4;
		switch (hunk)
		{
			case 0x3e7: // HUNK_UNIT
			{
				lvo = NULL;
				len = gl(p) * 4;
				p += 4;
				uae_char *name = gethunktext(p, namebuf, len);
				if (strlen(name) > 4 && !strcmp(&name[strlen(name) - 4], "_LVO")) {
					name[strlen(name) - 4] = 0;
					lvo = &libnames[libnamecnt++];
					TCHAR *name2 = au(name);
					lvo->name = name2;
					lvo->aname = strdup(name);
					lvo->id = lvoid++;
				}
				p += len;
			}
			break;
			case 0x3e8: // HUNK_NAME
			{
				len = gl(p) * 4;
				p += 4;
				uae_char *name = gethunktext(p, namebuf, len);
				p += len;
			}
			break;
			case 0x3e9: // HUNK_CODE
			case 0x3ea: // HUNK_DATA
			{
				len = gl(p) * 4;
				p += 4 + len;
			}
			break;
			case 0x3eb: // HUNK_BSS
			{
				p += 4;
			}
			break;
			case 0x3f2: // HUNK_END
			break;
			case 0x3ef: // HUNK_EXT
			{
				for (;;) {
					len = gl(p);
					p += 4;
					if (!len)
						break;
					uae_u8 type = len >> 24;
					len &= 0xffffff;
					len *= 4;
					if (type == 2) {
						uae_u8 *p2 = p;
						p += len;
						uae_u32 value = gl(p);
						p += 4;
						if (lvo) {
							uae_char *name = gethunktext(p2, namebuf, len);
							if (!strncmp(name, "_LVO", 4)) {
								TCHAR *name2 = au(name + 4);
								struct libsymbol *ls = &libsymbols[libsymbolcnt++];
								ls->name = name2;
								ls->value = value;
								ls->lib = lvo;
							}
						}
					} else if (type & 0x80) {
						p += len;
						len = gl(p) * 4; // number of references
						p += 4;
						p += len;
					} else {
						p += len;
						p += 4;
					}
				}
			}
			break;
			case 0x3ec: // HUNK_RELOC
			{
				for (;;) {
					int reloccnt = gl(p);
					p += 4;
					if (!reloccnt)
						break;
					p += (1 + reloccnt) * 4;
				}
			}
			break;
			case 0x3f1: // HUNK_DEBUG
			{
				len = gl(p) * 4;
				p += 4;
				p += len;
			}
			break;
			case 0x3f0: // HUNK_SYMBOL
			{
				for (;;) {
					int size = gl(p);
					p += 4;
					if (!size)
						break;
					p += 4 * size + 4;
				}
			}
			break;
			default:
			console_out_f(_T("Unknown hunk %08x\n"), hunk);
			goto end;
		}
	}
end:
	if (ret)
		console_out_f(_T("Loaded '%s', %ld libraries, %ld LVOs.\n"), name, libnamecnt, libsymbolcnt);
	xfree(file);
	return ret;
}

bool debugger_load_libraries(void)
{
	debugger_load_library(_T("amiga.lib"));
	debugger_load_fd();
	return true;
}

struct elfheader
{
	uae_u8 ident[16];
	uae_u16 type;
	uae_u16 machine;
	uae_u32 version;
	uae_u32 entry;
	uae_u32 phoff;
	uae_u32 shoff;
	uae_u32 flags;
	uae_u16 ehsize;
	uae_u16 phentsize;
	uae_u16 phnum;
	uae_u16 shentsize;
	uae_u16 shnum;
	uae_u16 shstrndx;
};
struct sheader
{
	uae_u32 name;
	uae_u32 type;
	uae_u32 flags;
	uae_u32 addr;
	uae_u32 offset;
	uae_u32 size;
	uae_u32 link;
	uae_u32 info;
	uae_u32 addralign;
	uae_u32 entsize;
};
struct symbol
{
	uae_u32 name;
	uae_u32 value;
	uae_u32 size;
	uae_u8 info;
	uae_u8 other;
	uae_u16 shindex;
};
struct rel
{
	uae_u32 offset;
	uae_u32 info;
	uae_u32 addend;
};
struct debuglineheader
{
	uae_u16 length[2];
	uae_u16 version;
	uae_u16 header_length[2];
	uae_u8 min_instruction_length;
	uae_u8 default_is_stmt;
	uae_s8 line_base;
	uae_u8 line_range;
	uae_u8 opcode_base;
	uae_u8 std_opcode_lengths[12];
};

#define SHT_PROGBITS       1
#define SHT_SYMTAB         2
#define SHT_STRTAB         3
#define SHT_RELA           4
#define SHT_NOBITS         8
#define SHT_REL            9
#define SHT_SYMTAB_SHNDX   18

#define SHN_UNDEF       0
#define SHN_LORESERVE   0xff00
#define SHN_ABS         0xfff1
#define SHN_COMMON      0xfff2
#define SHN_XINDEX      0xffff

#define R_68K_NONE      0
#define R_68K_32        1
#define R_68K_16        2
#define R_68K_8         3
#define R_68K_PC32      4
#define R_68K_PC16      5
#define R_68K_PC8       6

#define SHF_WRITE		(1 << 0)
#define SHF_ALLOC       (1 << 1)
#define SHF_EXECINSTR	(1 << 2)

static void wswp(uae_u16 *v)
{
	*v = (*v >> 8) | (*v << 8);
}
static void lswp(uae_u32 *v)
{
	*v = (*v >> 24) | ((*v >> 8) & 0x0000ff00) | ((*v << 8) & 0x00ff0000) | (*v << 24);
}
static void lwswp(uae_u16 *vp)
{
	uae_u32 v = (vp[1] << 16) | vp[0];
	v = (v >> 24) | ((v >> 8) & 0x0000ff00) | ((v << 8) & 0x00ff0000) | (v << 24);
	vp[1] = v >> 16;
	vp[0] = v;
}

static void swap_lineheader(struct debuglineheader *d, struct debuglineheader *s)
{
	memcpy(d, s, sizeof(struct debuglineheader));
	lwswp(d->length);
	lwswp(d->header_length);
}

static void swap_header(struct sheader *d, struct sheader *s)
{
	memcpy(d, s, sizeof(struct sheader));
	lswp(&d->name);
	lswp(&d->type);
	lswp(&d->flags);
	lswp(&d->addr);
	lswp(&d->offset);
	lswp(&d->size);
	lswp(&d->link);
	lswp(&d->info);
	lswp(&d->addralign);
	lswp(&d->entsize);
}
static void swap_symbol(struct symbol *d, struct symbol *s)
{
	memcpy(d, s, sizeof(struct symbol));
	lswp(&d->name);
	wswp(&d->shindex);
	lswp(&d->value);
	lswp(&d->size);
}
static void swap_rel(struct rel *d, struct rel *s)
{
	memcpy(d, s, sizeof(struct rel));
	lswp(&d->addend);
	lswp(&d->info);
	lswp(&d->offset);
}

static int loadelf(uae_u8 *file, int filelen, uae_u8 **outp, int outsize, struct sheader *sh)
{
	int size = sh->size;
	int asize = (size + ELF_ALIGN_MASK) & ~ELF_ALIGN_MASK;
	uae_u8 *out = *outp;
	if (outsize >= 0) {
		if (!out)
			out = xcalloc(uae_u8, outsize + asize);
		else
			out = xrealloc(uae_u8, out, outsize + asize);
	} else {
		outsize = 0;
	}
	memcpy(out + outsize, file + sh->offset, size);
	outsize += size;
	*outp = out;
	return outsize;
}

struct loadelfsection
{
	uae_u32 offsets;
	uae_u32 bases;
	struct debugmemallocs *dma;
};

static uae_u8 *loadelffile(uae_u8 *file, int filelen, uae_u8 *dbgfile, int debugfilelen, uae_u32 seglist, int segmentid, int *outsizep, uae_u32 *startp, uae_u32 *parentidp, int mode)
{
	uae_u8 *outp = NULL;
	uae_u8 *outptr = NULL;
	int outsize;
	bool relocate = false;
	uae_u32 relocate_base = 0;

	struct elfheader *eh = (struct elfheader*)file;
	uae_u8 *p = file + sizeof(struct elfheader);

	if (mode != ELFMODE_NORMAL)
		relocate = true;

	wswp(&eh->type);
	wswp(&eh->machine);
	wswp(&eh->ehsize);
	wswp(&eh->phentsize);
	wswp(&eh->phnum);
	wswp(&eh->shentsize);
	wswp(&eh->shnum);
	wswp(&eh->shstrndx);
	lswp(&eh->version);
	lswp(&eh->flags);
	lswp(&eh->entry);
	lswp(&eh->phoff);
	lswp(&eh->shoff);

	uae_u32 shnum = eh->shnum;
	if (shnum == 0) {
		if (eh->shoff == 0)
			return NULL;
		struct sheader *sh = (struct sheader*)p;
		shnum = sh->size;
		if (shnum == 0)
			return NULL;
		p += sizeof(struct sheader);
	}

	uae_u8 *strtab = NULL, *strtabsym = NULL;
	struct sheader *symtab_shndx = NULL, *linesheader = NULL;
	struct debuglineheader lineheader;
	struct symbol *symtab = NULL;
	uae_u8 *debuginfo = NULL;
	uae_u8 *debugstr = NULL;
	uae_u8 *debugabbrev = NULL;
	int debuginfo_size;
	int debugstr_size;
	int debugabbrev_size;
	int symtab_num = 0;
	bool debuglink = false;

	for (int i = 0; i < shnum; i++) {
		struct sheader *shp = (struct sheader*)(file + i * sizeof(sheader) + eh->shoff);
		struct sheader sh;
		swap_header(&sh, shp);
		if (sh.type == SHT_STRTAB) {
			if (!strtab && i != eh->shstrndx) {
				strtab = file + sh.offset;
			}
			if (!strtabsym && i == eh->shstrndx) {
				strtabsym = file + sh.offset;
			}
		} else if (sh.type == SHT_SYMTAB_SHNDX) {
			if (!symtab_shndx)
				symtab_shndx = (struct sheader*)(file + sh.offset);
		} else if (sh.type == SHT_SYMTAB) {
			if (!symtab) {
				symtab = (struct symbol*)(file + sh.offset);
				symtab_num = sh.size / sh.entsize;
			}
		}
	}

	for (int i = 0; i < shnum; i++) {
		struct sheader *shp = (struct sheader*)(file + i * sizeof(sheader) + eh->shoff);
		struct sheader sh;
		swap_header(&sh, shp);
		uae_char *name = (uae_char*)(strtabsym + sh.name);
		if (strtabsym && !strcmp(name, ".gnu_debuglink")) {
			debuglink = true;
		}
	}
	if (debuglink) {
		;
	} else {
		dbgfile = NULL;
		debugfilelen = 0;
	}

	for (int i = 0; i < shnum; i++) {
		struct sheader *shp = (struct sheader*)(file + i * sizeof(sheader) + eh->shoff);
		struct sheader sh;
		swap_header(&sh, shp);
		uae_char *name = (uae_char*)(strtabsym + sh.name);
		if (sh.type == SHT_PROGBITS && !strcmp(name, ".debug_line")) {
			swap_lineheader(&lineheader, (struct debuglineheader*)(file + sh.offset));
			linesheader = shp;
		} else if (sh.type == SHT_PROGBITS && !strcmp(name, ".debug_info")) {
			debuginfo = file + sh.offset;
			debuginfo_size = sh.size;
		} else if (sh.type == SHT_PROGBITS && !strcmp(name, ".debug_str")) {
			debugstr = file + sh.offset;
			debugstr_size = sh.size;
		} else if (sh.type == SHT_PROGBITS && !strcmp(name, ".debug_abbrev")) {
			debugabbrev = file + sh.offset;
			debugabbrev_size = sh.size;
		}
	}

	struct sheader *shp_first = (struct sheader*)(file + eh->shoff);
	int section = -1;
	uae_u32 seg = seglist * 4;
	uae_u32 nextseg = 0;
	uae_u32 parentid = 0;
	int startseg = -1;

	struct loadelfsection *lelfs = xcalloc(struct loadelfsection, shnum);
	outsize = 0;
	int aoutsize = 0;
	for (int i = 0; i < shnum; i++) {
		struct sheader *shp = (struct sheader*)&shp_first[i];
		struct sheader sh;
		swap_header(&sh, shp);
		lelfs[i].offsets = 0xffffffff;
		lelfs[i].bases = 0xffffffff;
		uae_char *namep = (uae_char*)(strtabsym + sh.name);
		TCHAR *n = au(namep);
		write_log(_T("ELF section %d: type=%08x flags=%08x size=%08x ('%s')\n"), i, sh.type, sh.flags, sh.size, n);
		if (sh.type == SHT_PROGBITS) {
			if ((sh.flags & SHF_ALLOC) && sh.size) {
				write_log(_T(" - load data. Offset %08x\n"), outsize);
				if (startseg < 0)
					startseg = i;
				if (mode == ELFMODE_DEBUGMEM) {
					struct debugmemallocs *dma = debugmem_allocate(sh.size + 8,
						DEBUGMEM_READ | ((sh.flags & SHF_WRITE) ? DEBUGMEM_WRITE : 0) | ((sh.flags & SHF_EXECINSTR) ? DEBUGMEM_FETCH : 0)  | DEBUGMEM_INITIALIZED, parentid);
					lelfs[i].dma = dma;
				} else {
					lelfs[i].offsets = outsize;
					if (relocate)
						lelfs[i].bases = aoutsize;
				}
				outsize += sh.size;
				aoutsize += (sh.size + ELF_ALIGN_MASK) & ~ELF_ALIGN_MASK;
			}
		} else if (sh.type == SHT_NOBITS) {
			if (sh.size) {
				lelfs[i].bases = sh.addr;
				write_log(_T(" - bss. Offset %08x\n"), outsize);
				if (mode == ELFMODE_DEBUGMEM) {
					struct debugmemallocs *dma = debugmem_allocate(sh.size + 8, DEBUGMEM_READ | ((sh.flags & SHF_WRITE) ? DEBUGMEM_WRITE : 0) | DEBUGMEM_INITIALIZED, parentid);
					lelfs[i].dma = dma;
				}
			}
		}
		if (lelfs[i].dma) {
			struct debugmemallocs *dma = lelfs[i].dma;
			lelfs[i].offsets = dma->start + debugmem_bank.start + 8;
			lelfs[i].bases = dma->start + debugmem_bank.start + 8;
			dma->type = DEBUGALLOC_HUNK;
			dma->relative_start = dma->start;
			dma->idtype = sh.type;
			dma->name = my_strdup(n);
			if (!parentid) {
				parentid = dma->id;
			}
		}
		xfree(n);
	}

	if (mode == ELFMODE_ROM) {
		relocate_base = getrombase(aoutsize);
		if (!relocate_base)
			goto end;
		for (int i = 0; i < shnum; i++) {
			if (lelfs[i].offsets != 0xffffffff)
				lelfs[i].bases += relocate_base;
		}
	}

	for (int i = 0; i < symtab_num; i++) {
		struct symbol sym;
		swap_symbol(&sym, &symtab[i]);
		if (!sym.name)
			continue;
		int sflags, stype;
		uae_u8 type = sym.info & 15;
		uae_u8 bind = sym.info >> 4;
		if (type == 1) {
			stype = 0;
		} else if (type == 2) {
			stype = SYMBOLTYPE_FUNC;
		} else {
			continue;
		}
		if (bind == 0) {
			sflags = SYMBOL_LOCAL;
		} else if (bind == 1) {
			sflags = SYMBOL_GLOBAL;
		} else {
			continue;
		}
		if (sym.shindex == SHN_ABS) {
			uae_char *namep = (uae_char*)(strtab + sym.name);
			TCHAR *name = au(namep);
			addsimplesymbol(name, sym.value, stype, sflags, segmentid, sym.shindex);
			xfree(name);
		} else if (sym.shindex < shnum && lelfs[sym.shindex].offsets != 0xffffffff) {
			uae_char *namep = (uae_char*)(strtab + sym.name);
			TCHAR *name = au(namep);
			uae_u32 v = sym.value + lelfs[sym.shindex].bases;
			addsimplesymbol(name, v, stype, sflags, segmentid, sym.shindex);
			xfree(name);
		}
	}

	outsize = 0;
	outptr = NULL;
	for (int i = 0; i < shnum; i++) {
		struct sheader *shp = (struct sheader*)&shp_first[i];
		struct sheader sh;
		swap_header(&sh, shp);

		if (nextseg) {
			seg = nextseg;
			nextseg = 0;
		}

		lelfs[i].offsets = outsize;

		if (sh.type == SHT_NOBITS) {
			outptr = NULL;
			if ((sh.flags & SHF_ALLOC) && sh.size) {
				section++;
				if (seg)
					nextseg = get_long(seg) * 4;
			}
			continue;
		}

		if (sh.type == SHT_PROGBITS) {
			outptr = NULL;
			if ((sh.flags & SHF_ALLOC) && sh.size) {
				section++;
				if (seg)
					nextseg = get_long(seg) * 4;
				if (relocate) {
					if (mode == ELFMODE_DEBUGMEM) {
						uae_u8 *mem = lelfs[i].dma->start + debugmem_bank.baseaddr + 8;
						outp = mem;
						outptr = mem;
						loadelf(file, filelen, &outp, -1, &sh);
					} else {
						int newoutsize = loadelf(file, filelen, &outp, outsize, &sh);
						newoutsize = (newoutsize + ELF_ALIGN_MASK) & ~ELF_ALIGN_MASK;
						outptr = outp + outsize;
						outsize = newoutsize;
						*outsizep = outsize;
					}
				}
			}
			continue;
		}



		if (sh.type != SHT_RELA)
			continue;

		struct sheader *shsymtabp = &shp_first[sh.link];
		struct sheader shsymtab;
		swap_header(&shsymtab, shsymtabp);

		struct sheader *torelocp = &shp_first[sh.info];
		struct sheader toreloc;
		swap_header(&toreloc, torelocp);

		struct symbol *symtabp = (struct symbol *)(file + shsymtab.offset);
		struct symbol symtab;
		swap_symbol(&symtab, symtabp);

		int numrel = sh.size / sh.entsize;

		for (int j = 0; j < numrel; j++) {

			struct rel *relp = (struct rel*)(file + sh.offset + j * sizeof(rel));
			struct rel rel;
			swap_rel(&rel, relp);

			struct symbol *symp = &symtabp[rel.info >> 8];
			struct symbol sym;
			swap_symbol(&sym, symp);

			uae_u32 shindex;
			uae_u32 addr;
			uae_u32 s;
			uae_u32 relocaddr;

			relocaddr = rel.offset;

			if (sym.shindex != SHN_XINDEX) {
				shindex = sym.shindex;
			} else {
				if (symtab_shndx == NULL)
					return NULL;
				shindex = ((uae_u32*)(file + symtab_shndx->offset))[rel.info >> 8];
			}
			uae_char *namep = (uae_char*)(file + gl((uae_u8*)(&shp_first[shsymtab.link].offset)) + sym.name);
			bool doreloc = false;
			TCHAR *name = au(namep);
			switch (shindex)
			{
				case SHN_COMMON:
				{
					write_log(_T("ELF Common symbol '%s'"), name);
					break;
				}
				case SHN_ABS:
				{
					s = sym.value;
					doreloc = true;
					break;
				}
				case SHN_UNDEF:
				{
					if ((rel.info & 0xff) != 0) {
						write_log(_T("ELF Undefined symbol '%s'\n"), name);
					}
				}
				default:
				{
					if (lelfs[shindex].bases == 0xffffffff) {
						s = 0;
					} else {
						s = lelfs[shindex].bases + sym.value;
						doreloc = true;
					}
					break;
				}
			}
			if (doreloc) {
				bool has = false;
				switch (rel.info & 0xff)
				{
				case R_68K_32:
					addr = s + rel.addend;
					if (outptr) {
						outptr[relocaddr + 0] = (uae_u8)(addr >> 24);
						outptr[relocaddr + 1] = (uae_u8)(addr >> 16);
						outptr[relocaddr + 2] = (uae_u8)(addr >> 8);
						outptr[relocaddr + 3] = (uae_u8)(addr >> 0);
					}
					has = true;
					break;
				case R_68K_16:
					addr = s + rel.addend;
					if (outptr) {
						outptr[relocaddr + 0] = (uae_u8)(addr >> 8);
						outptr[relocaddr + 1] = (uae_u8)(addr >> 0);
					}
					has = true;
					break;
				case R_68K_8:
					addr = s + rel.addend;
					if (outptr) {
						outptr[relocaddr] = (uae_u8)addr;
					}
					has = true;
					break;
				case R_68K_PC32:
					addr = s + rel.addend - (lelfs[shindex].bases + relocaddr);
					if (outptr) {
						outptr[relocaddr + 0] = (uae_u8)(addr >> 24);
						outptr[relocaddr + 1] = (uae_u8)(addr >> 16);
						outptr[relocaddr + 2] = (uae_u8)(addr >> 8);
						outptr[relocaddr + 3] = (uae_u8)(addr >> 0);
					}
					has = true;
					break;
				case R_68K_PC16:
					addr = s + rel.addend - (lelfs[shindex].bases + relocaddr);
					if (outptr) {
						outptr[relocaddr + 0] = (uae_u8)(addr >> 8);
						outptr[relocaddr + 1] = (uae_u8)(addr >> 0);
					}
					has = true;
					break;
				case R_68K_PC8:
					addr = s + rel.addend - (lelfs[shindex].bases + relocaddr);
					if (outptr) {
						outptr[relocaddr] = (uae_u8)addr;
					}
					has = true;
					break;
				case R_68K_NONE:
				default:
					break;
				}
				if (has) {
					if (seg)
						addr += seg + 4;
					addsimplesymbol(name, addr, 0, SYMBOL_GLOBAL, segmentid, i);
				}
			}
			xfree(name);
		}
		outptr = NULL;
	}

#if 0
	if (debuginfo) {
		uae_u8 *p = debuginfo;
		while (debuginfo_size > 0) {
			uae_u8 *start = p;
			uae_u32 length = gl(p);
			p += 4;
			uae_u8 *end = p + length;
			uae_u16 version = gw(p);
			p += 2;
			uae_u32 abbrev_offset = gl(p);
			uae_u8 *abbrev = debugabbrev + abbrev_offset;
			p += 4;
			uae_u8 ptr_size = *p++;
			while (p < end) {
				uae_u8 abbrevnum = *p++;
				uae_u8 *ap = abbrev;
				uae_u8 tag = 0;
				for (;;) {
					uae_u8 anum = *ap;
					if (anum == abbrevnum)
						break;
					ap++;
					ap++;
					ap++;
					for (;;) {
						uae_u16 v = gw(ap);
						ap += 2;
						if (!v)
							break;
					}
				}
				tag = *ap++;
				ap++; // haschildren
				for (;;) {
					uae_u8 name = *ap++;
					uae_u8 type = *ap++;
					uae_u32 v;
					if (!name && !type)
						break;
					switch (type)
					{
					case 0x8: // string
						for (;;) {
							if (*ap++ == 0)
								break;
						}
						break;
					case 0x18: // exprloc
						ap = lebx(ap, &v);
						ap += v;
						break;
					}

				}
#if 0

  				switch (abbrevnum)
				{
					case 1:
					{
						if (version == 2) {
							uae_u32 stmt_list = gl(p);
							p += 4;
							uae_u32 low_pc = gl(p);
							p += 4;
							uae_u32 high_pc = gl(p);
							p += 4;
							uae_char *namep = (uae_char*)p;
							p += strlen((char*)p) + 1;
							uae_char *comp_dirp = (uae_char*)p;
							p += strlen((char*)p) + 1;
							p += strlen((char*)p) + 1; // producer
							uae_u16 language = gw(p);
							p += 2;
							TCHAR *name = au(namep);
							struct debugcodefile *cf = preallocatecodefile(NULL, name);
							cf->start_pc = low_pc;
							cf->end_pc = low_pc + high_pc;
							xfree(name);
						} else if (version >= 3) {
							uae_char *producerp = (uae_char*)debugstr + gl(p);
							p += 4;
							uae_u8 language = p[0];
							p += 1;
							uae_char *namep = (uae_char*)debugstr + gl(p);
							p += 4;
							uae_u32 low_pc = gl(p);
							p += 4;
							uae_u32 high_pc = gl(p);
							p += 4;
							uae_u32 stmt_list = gl(p);
							p += 4;
							TCHAR *name = au(namep);
							struct debugcodefile *cf = preallocatecodefile(NULL, name);
							cf->start_pc = low_pc;
							cf->end_pc = low_pc + high_pc;
							xfree(name);
						}
						break;
					}
					case 2:
					{
						p += 4 + 1 + 1 + 4;
						break;
					}
					case 3:
					{
						p += 1 + 1 + 4;
						break;
					}
				}
#endif
				break;
			}
			debuginfo_size -= length;
			p = start + length + 4;
		}
	}
#endif

end:
	
	if (startp && startseg >= 0)
		if (lelfs)
			*startp = lelfs[startseg].dma->start;

	xfree(lelfs);

	if (parentidp)
		*parentidp = parentid;
	return outp;
}

void debugmem_addsegs(TrapContext *ctx, uaecptr seg, uaecptr name, uae_u32 lock, bool residentonly)
{
	uae_u8 *file = NULL;
	uae_u8 *symfile = NULL;
	int filelen, symfilelen;
	bool elffile = false, elfsymfile = false;
	int fileoffset = 0;
	int segmentid;

	if (!debugmem_initialized)
		debugmem_init(true);
	if (!seg || !debugmem_initialized)
		return;
	seg *= 4;
	uaecptr seg2 = seg;
	uaecptr resident = 0;
	if (residentonly) {
		while (seg) {
			uaecptr next = get_long(seg) * 4;
			uaecptr len = get_long(seg - 4) * 4;
			for (int i = 0; i < len - 26; i += 2) {
				uae_u16 w = get_word(seg + 4 + i);
				if (w == 0x4afc) {
					uae_u32 l = get_long(seg + 4 + i + 2);
					if (l == seg + 4 + i) {
						resident = seg + 4 + i;
						seg = 0;
						break;
					}
				}
			}
			seg = next;
		}
		if (!resident)
			return;
	}
	console_out_f(_T("Adding segment %08x, Resident %08x.\n"), seg2, resident);
	struct debugsegtracker *sg = NULL;
	for (segmentid = 0; segmentid < MAX_DEBUGSEGS; segmentid++) {
		if (!dsegt[segmentid]->allocid) {
			sg = dsegt[segmentid];
			if (segmentid >= segtrackermax)
				segtrackermax = segmentid + 1;
			break;
		}
	}
	if (!sg)
		return;
	sg->resident = resident;
	if (name) {
		uae_char aname[256];
		TCHAR nativepath[MAX_DPATH];
		nativepath[0] = 0;
		strcpyah_safe(aname, name, sizeof aname);
		sg->name = au(aname);
		if (!lock) {
			_tcscpy(nativepath, currprefs.mountconfig[0].ci.rootdir);
			_tcscat(nativepath, sg->name);
		} else {
			get_native_path(ctx, lock, nativepath);
		}
		struct zfile *zf = zfile_fopen(nativepath, _T("rb"));
		if (zf) {
			file = zfile_getdata(zf, 0, -1, &filelen);
			zfile_fclose(zf);
		}
		_tcscat(nativepath, _T(".dbg"));
		zf = zfile_fopen(nativepath, _T("rb"));
		if (zf) {
			symfile = zfile_getdata(zf, 0, -1, &symfilelen);
			zfile_fclose(zf);
		}
		if (file) {
			uae_u32 v = gl(file);
			if (v == 0x7f454c46) {
				// elf
				elffile = true;
			} else if (v == 0x000003f3) {
				// hunk
				if (gl(file + 4) == 0x0) {
					int hunks = gl(file + 8);
					fileoffset = 5 * 4 + hunks * 4;
				}
			} else {
				xfree(file);
				file = NULL;
			}
		}
		if (symfile) {
			uae_u32 v = gl(symfile);
			if (v == 0x7f454c46) {
				elfsymfile = true;
			} else {
				xfree(symfile);
				symfile = NULL;
			}
		}
		console_out_f(_T("Name '%s', native path '%s'\n"), sg->name, nativepath[0] ? nativepath : _T("<n/a>"));
	} else {
		sg->name = my_strdup(_T("<unknown>"));
	}

	if (elfsymfile) {
		loadelffile(symfile, symfilelen, NULL, 0, seg, segmentid, NULL, NULL, NULL, ELFMODE_NORMAL);
	} else if (elffile) {
		loadelffile(file, filelen, NULL, 0, seg, segmentid, NULL, NULL, NULL, ELFMODE_NORMAL);
	}

	int parentid = 0;
	int cnt = 1;
	seg = seg2;
	while (seg) {
		uaecptr next = get_long(seg) * 4;
		uaecptr len = get_long(seg - 4) * 4;
		struct debugmemallocs *dm = debugmem_reserve(seg, len, parentid);
		if (!parentid) {
			sg->allocid = dm->id;
			parentid = dm->id;
			dm->parentid = dm->id;
		}
		if (file && !elffile) {
			dm->idtype = gl(&file[fileoffset]);
			fileoffset += 4;
			int hunklen = gl(&file[fileoffset]);
			fileoffset += 4;
			if (dm->idtype == 0x3e9 || dm->idtype == 0x3ea) {
				fileoffset += hunklen * 4;
			}
			for (;;) {
				uae_u32 hunktype = gl(&file[fileoffset]);
				if (hunktype == 0x3e9 || hunktype == 0x3ea || hunktype == 0x3eb)
					break;
				if (hunktype == 0x3ec) {
					fileoffset += 4;
					for (;;) {
						int reloccnt = gl(&file[fileoffset]);
						fileoffset += 4;
						if (!reloccnt)
							break;
						fileoffset += (1 + reloccnt) * 4;
					}
				} else if (hunktype == 0x3f0) {
					int symcnt = 0;
					fileoffset += 4;
					for (;;) {
						int size = gl(&file[fileoffset]);
						fileoffset += 4;
						if (!size)
							break;
						struct debugsymbol *ds = symbols[symbolcnt++];
						ds->name = au((char*)&file[fileoffset]);
						fileoffset += 4 * size;
						ds->value = gl(&file[fileoffset]) + seg + 4;
						ds->segment = segmentid;
						ds->section = dm;
						fileoffset += 4;
						symcnt++;
					}
					console_out_f(_T("%d symbols loaded.\n"), symcnt);
				} else if (hunktype == 0x3f1) {
					fileoffset += 4;
					int debugsize = gl(&file[fileoffset]);
					fileoffset += 4;
					fileoffset += debugsize * 4;
				} else if (hunktype == 0x3f2) {
					fileoffset += 4;
				} else {
					break;
				}
				if (fileoffset >= filelen)
					break;
			}
		}
		dm->internalid = cnt++;
		debugreportalloc(dm);
		seg = next;
	}
	xfree(file);
	console_out_f(_T("Segment '%s' %08x added.\n"), sg->name, seg2);
}

void debugmem_remsegs(uaecptr seg)
{
	int parentid = 0;
	if (!seg || !debugmem_initialized)
		return;
	seg *= 4;
	uaecptr seg2 = seg;
	while (seg) {
		uaecptr next = get_long(seg) * 4;
		uaecptr len = get_long(seg - 4) * 4;
		parentid = debugmem_unreserve(seg, len, true);
		if (!parentid) {
			if (seg2 == seg)
				return;
			debugmem_break(5);
			return;
		}
		seg = next;
	}

	console_out_f(_T("Freeing segment %08x...\n"), seg2);

	struct debugmemallocs *nextavail = NULL;
	for (int i = 0; i < MAX_DEBUGMEMALLOCS; i++) {
		struct debugmemallocs *alloc = allocs[i];
		if (alloc->parentid == parentid) {
			console_out_f(_T("Segment not freed: "));
			debugreportalloc(alloc);
			nextavail = alloc;
		}
	}

	struct debugsegtracker *sg = NULL;
	for (int i = 0; i < MAX_DEBUGSEGS; i++) {
		if (dsegt[i]->allocid == parentid) {
			sg = dsegt[i];
			if (nextavail)
				sg->allocid = nextavail->id;
			break;
		}
	}

	for (int i = 0; i < symbolcnt; i++) {
		struct debugsymbol *ds = symbols[i];
		if (ds->segment == parentid) {
			ds->allocid = 0;
		}
	}

	if (!sg) {
		return;
	}
	if (!nextavail) {
		console_out_f(_T("Segment '%s' %08x freed.\n"), sg->name, seg2);
		xfree(sg->name);
		memset(sg, 0, sizeof(struct debugsegtracker));
	} else {
		console_out_f(_T("Segment '%s' %08x partially freed.\n"), sg->name, seg2);
	}
}

static void allocate_stackframebuffers(void)
{
	if (!stackframes) {
		stackframes = xcalloc(struct debugstackframe, MAX_STACKFRAMES);
		stackframessuper = xcalloc(struct debugstackframe, MAX_STACKFRAMES);
	}
	stackframecnt = 0;
	stackframecntsuper = 0;
}

#if 0
void debugmem_add_seglist(TrapContext *ctx, uaecptr segList, uaecptr aname)
{
	int rnd = 0;
	if (!debugmem_initialized) {
		debugmem_init(false);
	}
	for (;;) {
		if (segtrackerindex >= MAX_DEBUGSEGS) {
			segtrackerindex = 0;
			rnd++;
			if (rnd > 1)
				return;
		} else {
			segtrackerindex++;
		}
		struct debugsegtracker *st = dsegt[segtrackermax];
		if (!st->allocid) {
			uae_char name[256];
			strcpyah_safe(name, aname, sizeof name);
			st->name = au(name);
			st->resident = mod;
			st->allocid = segtrackerindex;
			if (segtrackerindex > segtrackermax)
				segtrackermax = segtrackerindex;
			return;
		}
	}
}
void debugmem_rem_seglist(TrapContext *ctx, uaecptr segList)
{
	for (int i = 0; i < segtrackermax; i++) {
		struct debugsegtracker *st = dsegt[i];
		if (st->resident == mod) {
			for (int j = 0; j < MAX_DEBUGMEMALLOCS; j++) {
				struct debugmemallocs *dm = allocs[j];
				if (dm->parentid == st->allocid) {
					dm->id = 0;
					if (segtrackerindex >= j)
						segtrackerindex = j - 1;
				}
			}
		}
	}
}

void debugmem_add_segment(uaecptr mod, uae_u32 num, uae_u32 type, uaecptr start, uae_u32 size)
{
	struct debugsegtracker *st = NULL;
	for (int i = 0; i < segtrackermax; i++) {
		if (dsegt[i]->resident == mod) {
			st = dsegt[i];
			break;
		}
	}
	if (!st)
		return;
	struct debugmemallocs *dm = getallocblock();
	if (!dm)
		return;
	dm->parentid = st->allocid;
	dm->internalid = num;
	dm->type = type;
	dm->start = start;
	dm->size = size;
}
void debugmem_rem_segment(uaecptr mod, uaecptr start)
{
	struct debugsegtracker *st = NULL;
	for (int i = 0; i < segtrackermax; i++) {
		if (dsegt[i]->resident == mod) {
			st = dsegt[i];
			break;
		}
	}
	if (!st)
		return;
	for (int j = 0; j < MAX_DEBUGMEMALLOCS; j++) {
		struct debugmemallocs *dm = allocs[j];
		if (start >= dm->start && start < dm->start + dm->size) {
			dm->id = 0;
			for (int j = 0; j < MAX_DEBUGSYMS; j++) {
				struct debugsymbol *ds = symbols[j];
				if (ds->allocid && dm->start <= ds->value && dm->start + dm->size >= ds->value) {
					ds->allocid = 0;
				}
			}
			symbolindex = 0;
		}
	}
}
void debugmem_add_symbol(uae_u32 value, uaecptr aname)
{
	int rnd = 0;
	for (;;) {
		if (symbolindex >= MAX_DEBUGSYMS) {
			symbolindex = 0;
			rnd++;
			if (rnd > 1)
				return;
		} else {
			symbolindex++;
		}
		struct debugsymbol *ds = symbols[symbolindex];
		if (ds->allocid == 0) {
			uae_char name[256];
			strcpyah_safe(name, aname, sizeof name);
			ds->allocid = symbolindex;
			ds->value = value;
			ds->name = au(name);
			ds->type = SYMBOL_GLOBAL;
			if (symbolindex > symbolcnt)
				symbolcnt = symbolindex;
			return;
		}
	}
}
#endif

void debugmem_init(bool initmem)
{
	debug_waiting = false;
	if (initmem) {
		if (!debugmem_bank.baseaddr) {
			int size = 0x10000000;
			for (uae_u32 mem = 0x70000000; mem < 0xf0000000; mem += size) {
				if (get_mem_bank_real(mem) == &dummy_bank && get_mem_bank_real(mem + size - 65536) == &dummy_bank) {
					debugmem_bank.reserved_size = size;
					debugmem_bank.mask = debugmem_bank.reserved_size - 1;
					debugmem_bank.start = mem;
					if (!mapped_malloc(&debugmem_bank)) {
						console_out_f(_T("Failed to automatically allocate debugmem (mapped_malloc)!\n"));
						return;
					}
					map_banks(&debugmem_bank, debugmem_bank.start >> 16, debugmem_bank.allocated_size >> 16, 0);
					console_out_f(_T("Automatically allocated debugmem location: %08x - %08x %08x\n"),
						debugmem_bank.start, debugmem_bank.start + debugmem_bank.allocated_size - 1, debugmem_bank.allocated_size);
					break;
				}
			}
			if (!debugmem_bank.baseaddr) {
				console_out_f(_T("Failed to automatically allocate debugmem (no space)!\n"));
				return;
			}
		}
		memset(debugmem_bank.baseaddr, 0xa5, debugmem_bank.allocated_size);
		if (!debugmem_func_lgeti) {

			debugmem_func_lgeti = debugmem_bank.lgeti;
			debugmem_func_wgeti = debugmem_bank.wgeti;
			debugmem_func_lget = debugmem_bank.lget;
			debugmem_func_wget = debugmem_bank.wget;
			debugmem_func_bget = debugmem_bank.bget;
			debugmem_func_lput = debugmem_bank.lput;
			debugmem_func_wput = debugmem_bank.wput;
			debugmem_func_bput = debugmem_bank.bput;
			debugmem_func_xlate = debugmem_bank.xlateaddr;

			debugmem_bank.lgeti = debugmem_lgeti;
			debugmem_bank.wgeti = debugmem_wgeti;
			debugmem_bank.lget = debugmem_lget;
			debugmem_bank.wget = debugmem_wget;
			debugmem_bank.bget = debugmem_bget;
			debugmem_bank.lput = debugmem_lput;
			debugmem_bank.wput = debugmem_wput;
			debugmem_bank.bput = debugmem_bput;
			debugmem_bank.xlateaddr = debugmem_xlate;
		}
	}
	alloccnt = 0;
	if (!allocs) {
		allocs = xcalloc(struct debugmemallocs*, MAX_DEBUGMEMALLOCS);
		struct debugmemallocs *a = xcalloc(struct debugmemallocs, MAX_DEBUGMEMALLOCS);
		for (int i = 0; i < MAX_DEBUGMEMALLOCS; i++) {
			allocs[i] = a + i;
		}
	}
	if (dmd) {
		xfree(dmd[0]);
		xfree(dmd);
	}
	totalmemdata = debugmem_bank.allocated_size / PAGE_SIZE;
	dmd = xcalloc(struct debugmemdata*, totalmemdata);
	struct debugmemdata *d = xcalloc(struct debugmemdata, totalmemdata);
	for (int i = 0; i < totalmemdata; i++) {
		dmd[i] = d + i;
	}
	debugmemptr = 0;
	if (!dsegt) {
		dsegt = xcalloc(struct debugsegtracker*, MAX_DEBUGSEGS);
		struct debugsegtracker *sg = xcalloc(struct debugsegtracker, MAX_DEBUGSEGS);
		for (int i = 0; i < MAX_DEBUGSEGS; i++) {
			dsegt[i] = sg + i;
		}
	}
	if (!symbols) {
		symbols = xcalloc(struct debugsymbol*, MAX_DEBUGSYMS);
		struct debugsymbol *sg = xcalloc(struct debugsymbol, MAX_DEBUGSYMS);
		for (int i = 0; i < MAX_DEBUGSYMS; i++) {
			symbols[i] = sg + i;
		}
	}
	if (!stackvars) {
		stackvars = xcalloc(struct stackvar*, MAX_STACKVARS);
		struct stackvar *sg = xcalloc(struct stackvar, MAX_STACKVARS);
		for (int i = 0; i < MAX_STACKVARS; i++) {
			stackvars[i] = sg + i;
		}
	}
	if (!codefiles) {
		codefiles = xcalloc(struct debugcodefile*, MAX_DEBUGCODEFILES);
	}
	for (int i = 0; i < MAX_DEBUGMEMALLOCS; i++) {
		xfree(allocs[i]->name);
		memset(allocs[i], 0, sizeof(struct debugmemallocs));
	}
	for (int i = 0; i < totalmemdata; i++) {
		memset(dmd[i], 0, sizeof(struct debugmemdata));
	}
	for (int i = 0; i < MAX_DEBUGSEGS; i++) {
		xfree(dsegt[i]->name);
		memset(dsegt[i], 0, sizeof(struct debugsegtracker));
	}
	for (int i = 0; i < MAX_DEBUGSYMS; i++) {
		xfree(symbols[i]->name);
		memset(symbols[i], 0, sizeof(struct debugsymbol));
	}
	for (int i = 0; i < MAX_STACKVARS; i++) {
		xfree(stackvars[i]->name);
		memset(stackvars[i], 0, sizeof(struct stackvar));
	}
	for (int i = 0; i < codefilecnt; i++) {
		struct debugcodefile *cf = codefiles[i];
		xfree(cf->lineptr);
		xfree(cf->data);
		xfree(cf->stabtypes);
		memset(cf, 0, sizeof(struct debugcodefile));
	}
	xfree(stabs);
	stabs = NULL;
	allocate_stackframebuffers();

	debugmem_active = false;
	stabscount = 0;
	linemapsize = 0;
	codefilecnt = 0;
	symbolcnt = 0;
	symbolindex = 0;
	executable_last_segment = 0;
	segtrackermax = 0;
	segtrackerindex = 0;
	debugmem_initialized = true;
	debugmem_chiplimit = 0x400;
	debugstack_word_state = 0;

	debugger_load_libraries();
}

void debugmem_disable(void)
{
	if (!debugmem_initialized)
		return;
	debugmem_bank.lgeti = debugmem_func_lgeti;
	debugmem_bank.wgeti = debugmem_func_wgeti;
	debugmem_bank.lget = debugmem_func_lget;
	debugmem_bank.wget = debugmem_func_wget;
	debugmem_bank.bget = debugmem_func_bget;
	debugmem_bank.lput = debugmem_func_lput;
	debugmem_bank.wput = debugmem_func_wput;
	debugmem_bank.bput = debugmem_func_bput;
	debugmem_bank.xlateaddr = debugmem_func_xlate;
	debugmem_mapped = false;
}
void debugmem_enable(void)
{
	if (!debugmem_initialized)
		return;
	debugmem_bank.lgeti = debugmem_lgeti;
	debugmem_bank.wgeti = debugmem_wgeti;
	debugmem_bank.lget = debugmem_lget;
	debugmem_bank.wget = debugmem_wget;
	debugmem_bank.bget = debugmem_bget;
	debugmem_bank.lput = debugmem_lput;
	debugmem_bank.wput = debugmem_wput;
	debugmem_bank.bput = debugmem_bput;
	debugmem_bank.xlateaddr = debugmem_xlate;
	debugmem_mapped = true;
}

static struct debugsegtracker *findsegment(uaecptr addr, struct debugmemallocs **allocp)
{
	for (int i = 0; i < segtrackermax; i++) {
		struct debugsegtracker *seg = dsegt[i];
		if (!seg->allocid)
			continue;
		struct debugmemallocs *alloc = allocs[seg->allocid];
		if (addr >= alloc->start && addr < alloc->start + alloc->size) {
			if (allocp)
				*allocp = alloc;
			return seg;
		}
	}
	return NULL;
}

static struct debugmemallocs *ismysegment(uaecptr addr)
{
	if (addr < debugmem_bank.start)
		return NULL;
	addr -= debugmem_bank.start;
	if (addr >= debugmem_bank.allocated_size)
		return NULL;
	for (int i = 1; i <= executable_last_segment; i++) {
		struct debugmemallocs *alloc = allocs[i];
		if (addr >= alloc->start && addr < alloc->start + alloc->size)
			return alloc;
	}
	return NULL;
}

bool debugmem_get_symbol_value(const TCHAR *name, uae_u32 *valp)
{
	for (int i = 0; i < libnamecnt; i++) {
		struct libname *libname = &libnames[i];
		int lnlen = uaetcslen(libname->name);
		// "libname/lvoname"?
		if (!_tcsnicmp(name, libname->name, lnlen) && _tcslen(name) > lnlen + 1 && name[lnlen] == '/') {
			for (int j = 0; j < libsymbolcnt; j++) {
				struct libsymbol *lvo = &libsymbols[j];
				if (lvo->lib == libname) {
					if (!_tcsicmp(name + lnlen + 1, lvo->name)) {
						uaecptr addr = libname->base + lvo->value;
						// JMP xxxxxxxx?
#ifdef DEBUGGER
						if (get_word_debug(addr) == 0x4ef9)
							addr = get_long_debug(addr + 2);
#endif
						*valp = addr;
						return true;
					}
				}
			}
			break;
		}
	}
	for (int i = 0; i < symbolcnt; i++) {
		struct debugsymbol *ds = symbols[i];
		if (ds->allocid && !_tcscmp(ds->name, name)) {
			*valp = ds->value;
			return true;
		}
	}
	for (int i = 0; i < symbolcnt; i++) {
		struct debugsymbol *ds = symbols[i];
		if (ds->allocid && !_tcsicmp(ds->name, name)) {
			*valp = ds->value;
			return true;
		}
	}
	return false;
}

int debugmem_get_symbol(uaecptr addr, TCHAR *out, int maxsize)
{
	if (out)
		out[0] = 0;
	int found = 0;
	for (int i = 0; i < symbolcnt; i++) {
		struct debugsymbol *ds = symbols[i];
		if (ds->allocid && ds->value == addr) {
			if (out) {
				TCHAR txt[256];
				_tcscpy(txt, ds->name);

				if ((ds->type == SYMBOLTYPE_FUNC) || !(ds->flags & SYMBOL_GLOBAL)) {
					_tcscat(txt, _T(" ("));
					if (!(ds->flags & SYMBOL_GLOBAL))
						_tcscat(txt, _T("L"));
					if (ds->type == SYMBOLTYPE_FUNC)
						_tcscat(txt, _T("F"));
					_tcscat(txt, _T(")"));
				}

#if 0
				if ((ds->flags & SYMBOL_FUNC) && ds->data) {
					bool first = true;
					struct stackvar *sv = (struct stackvar*)ds->data;
					TCHAR *p = txt + _tcslen(txt);
					*p++ = '\n';
					*p++ = '-';
					*p = 0;
					int size = sizeof(txt) / sizeof(TCHAR) - _tcslen(txt);
					while (sv->func == ds) {
						TCHAR txt2[256];
						TCHAR *p2 = txt2;
						if (!first)
							*p2++ = ',';
						first = false;
						_stprintf(p2, _T("%s:+%05X"), sv->name, sv->offset);
						if (size <= _tcslen(txt2))
							break;
						size -= _tcslen(txt2);
						_tcscat(txt, txt2);
						p += _tcslen(txt);
						sv++;
					}
					*p = 0;
				}
#endif

				if (maxsize > uaetcslen(txt)) {
					if (found)
						_tcscat(out, _T("\n"));
					_tcscat(out, txt);
					maxsize -= uaetcslen(txt);
				}
			}
			found = i + 1;
		}
	}
	return found;
}

struct debugcodefile *last_codefile;

int debugmem_get_sourceline(uaecptr addr, TCHAR *out, int maxsize)
{
	if (out)
		out[0] = 0;

	if (!executable_last_segment && codefilecnt) {
#if 0
		for (int i = 0; i < codefilecnt; i++) {
			struct debugcodefile *cf = codefiles[i];
			if (cf && addr >= cf->start_pc && addr < cf->end_pc) {
				_stprintf(out, _T("Source file: %s\n"), cf->name);
				return -1;
			}
		}
#endif
		return -1;
	}

	if (addr < debugmem_bank.start)
		return -1;
	addr -= debugmem_bank.start;
	if (addr >= debugmem_bank.allocated_size)
		return -1;

	for (int i = 1; i <= executable_last_segment; i++) {
		struct debugmemallocs *alloc = allocs[i];
		if (addr >= alloc->start && addr < alloc->start + alloc->size) {
			int offset = addr - alloc->start + alloc->relative_start - 8;
			if (offset < 0)
				return -1;
			if (offset >= linemapsize)
				return -1;
			struct linemapping *lm = &linemap[offset];
			int line = lm->line;
			if (line < 0)
				return -1;
			if (!out)
				return line;
			int lastline = line;
			for (;;) {
				offset++;
				if (offset >= linemapsize)
					break;
				struct linemapping *lm2 = &linemap[offset];
				if (!lm2->file)
					continue;
				if (lm2->file != lm->file)
					break;
				if (lm2->line <= 0)
					continue;
				lastline = lm2->line;
				break;
			}
			struct debugcodefile *cf = lm->file;
			if (!cf->data) {
				loadcodefiledata(cf);
			}
			if (cf->data && cf->lineptr[line] && cf->lineptr[line][0]) {
				if (last_codefile != cf) {
					TCHAR txt[256];
					last_codefile = cf;
					_stprintf(txt, _T("Source file: %s\n"), cf->name);
					if (maxsize > uaetcslen(txt)) {
						_tcscat(out, txt);
						maxsize -= uaetcslen(txt);
					}
				}
				if (lastline - line > 10)
					lastline = line + 10;
				for (int j = line; j < lastline; j++) {
					TCHAR txt[256];
					TCHAR *s = au((uae_char*)cf->lineptr[j]);
					if (maxsize > 6 + uaetcslen(s) + 2) {
						_stprintf(txt, _T("%5d %s\n"), j, s);
						_tcscat(out, txt);
						maxsize -= uaetcslen(txt) + 2;
					}
					xfree(s);
				}
				return line;
			}
			return -1;
		}
	}
	return -1;
}

int debugmem_get_segment(uaecptr addr, bool *exact, bool *ext, TCHAR *out, TCHAR *name)
{
	if (out)
		out[0] = 0;
	if (name)
		name[0] = 0;
	if (exact)
		*exact = false;
	struct debugmemallocs *alloc = ismysegment(addr);
	if (alloc) {
		if (exact && alloc->start + 8 + debugmem_bank.start == addr)
			*exact = true;
		if (out)
			_stprintf(out, _T("[%06X]"), ((addr - debugmem_bank.start) - (alloc->start + 8)) & 0xffffff);
		if (name)
			_stprintf(name, _T("Segment %d: %08x %08x-%08x"),
				alloc->id, alloc->idtype, alloc->start + debugmem_bank.start, alloc->start + alloc->size - 1 + debugmem_bank.start);
		if (ext)
			*ext = false;
		return alloc->id;
	} else {
		struct debugmemallocs *alloc;
		struct debugsegtracker *seg = findsegment(addr, &alloc);
		if (seg) {
			if (out)
				_stprintf(out, _T("[%06X]"), ((addr - debugmem_bank.start) - (alloc->start + 8)) & 0xffffff);
			if (name)
				_stprintf(name, _T("Segment %d ('%s') %08x %08x-%08x"),
					alloc->internalid, seg->name, alloc->idtype, alloc->start, alloc->start + alloc->size - 1);
			if (ext)
				*ext = true;
			return alloc->id;
		}
	}
	return 0;
}

bool debugmem_list_segment(int mode, uaecptr addr)
{
	if (mode) {
		for (int i = 0; i < segtrackermax; i++) {
			struct debugsegtracker *seg = dsegt[i];
			if (!seg->allocid)
				continue;
			console_out_f(_T("Load module '%s':\n"), seg->name);
			debugreportsegment(seg, true);
		}
	} else {
		if (addr == 0xffffffff) {
			if (!executable_last_segment) {
				console_out(_T("No executable loaded\n"));
				return false;
			}
			for (int i = 1; i <= executable_last_segment; i++) {
				debugreportalloc(allocs[i]);
			}
			return true;
		} else {
			struct debugsegtracker *seg = findsegment(addr, NULL);
			if (seg) {
				debugreportsegment(seg, false);
				return true;
			}
			if (ismysegment(addr)) {
				for (int i = 1; i <= executable_last_segment; i++) {
					debugreportalloc(allocs[i]);
				}
				return true;
			}
		}
	}
	return false;
}

bool debugmem_get_range(uaecptr *start, uaecptr *end)
{
	if (!executable_last_segment)
		return false;
	*start = allocs[1]->start + debugmem_bank.start;
	*end = allocs[executable_last_segment - 1]->start + allocs[executable_last_segment - 1]->size + debugmem_bank.start;
	return true;
}

bool debugmem_isactive(void)
{
	return executable_last_segment != 0;
}

uae_u32 debugmem_chiphit(uaecptr addr, uae_u32 v, int size)
{
	static int recursive;
	if (recursive) {
		return 0xdeadf00d;
	}
	recursive++;
	bool dbg = false;
	if (size > 0) {
		if (debugmem_active && debugmem_mapped) {
			console_out_f(_T("%s write to %08x, value = %08x\n"), size == 4 ? _T("Long") : (size == 2 ? _T("Word") : _T("Byte")), addr, v);
			dbg = debugmem_break(6);
		}
	} else {
		size = -size;

		// execbase?
		if (size == 4 && addr == 4) {
			recursive--;
			return do_get_mem_long((uae_u32*)(chipmem_bank.baseaddr + addr));
		}
		if (size == 2 && (addr == 4 || addr == 6) && (currprefs.cpu_model < 68020 || ce_banktype[0] == CE_MEMBANK_CHIP16)) {
			recursive--;
			return do_get_mem_word((uae_u16*)(chipmem_bank.baseaddr + addr));
		}

		// exception vectors
		if (regs.vbr < 0x100) {
			// vbr == 0 so skip aligned long reads
			if (size == 4 && addr >= regs.vbr + 8 && addr < regs.vbr + 0x100) {
				recursive--;
				return do_get_mem_long((uae_u32*)(chipmem_bank.baseaddr + addr));
			}
			if (size == 2 && addr >= regs.vbr + 8 && addr < regs.vbr + 0xe0 && (currprefs.cpu_model < 68020 || ce_banktype[0] == CE_MEMBANK_CHIP16)) {
				recursive--;
				return do_get_mem_word((uae_u16*)(chipmem_bank.baseaddr + addr));
			}
		}

		if (debugmem_active && debugmem_mapped) {
			console_out_f(_T("%s read from %08x\n"), size == 4 ? _T("Long") : (size == 2 ? _T("Word") : _T("Byte")), addr);
			dbg = debugmem_break(7);
		}
	}
	if (debugmem_active && debugmem_mapped) {
#ifdef DEBUGGER
		if (!dbg)
			m68k_dumpstate(0, 0xffffffff);
#endif
	}
	recursive--;
	return 0xdeadf00d;
}

bool debugmem_extinvalidmem(uaecptr addr, uae_u32 v, int size)
{
	static int recursive;
	bool dbg = false;
	if (!debugmem_bank.baseaddr || !debugmem_active)
		return false;
	if (recursive) {
		return true;
	}
	recursive++;
	if (size > 0) {
		console_out_f(_T("%s write to %08x, value = %08x\n"), size == 4 ? _T("Long") : (size == 2 ? _T("Word") : _T("Byte")), addr, v);
		dbg = debugmem_break(8);
	} else {
		size = -size;
		console_out_f(_T("%s read from %08x\n"), size == 4 ? _T("Long") : (size == 2 ? _T("Word") : _T("Byte")), addr, v);
		dbg = debugmem_break(9);
	}
#ifdef DEBUGGER
	if (!dbg)
		m68k_dumpstate(0, 0xffffffff);
#endif
	recursive--;
	return true;
}

bool debugmem_enable_stackframe(bool enable)
{
	if (enable && !stackframemode) {
		stackframemode = 1;
		console_out(_T("Full stack frame tracking enabled.\n"));
		allocate_stackframebuffers();
		return true;
	} else if (!enable && stackframemode) {
		stackframemode = 0;
		console_out(_T("Full stack frame tracking disabled.\n"));
		return true;
	}
	return false;
}

bool debugmem_list_stackframe(bool super)
{
	if (!debugmem_bank.baseaddr && !stackframemode) {
		return false;
	}
	int cnt = super ? stackframecntsuper : stackframecnt;
	if (!cnt)
		return false;
	for (int i = 0; i < cnt; i++) {
		struct debugstackframe *sf = super ? &stackframessuper[i] : &stackframes[i];
		console_out_f(_T("%08x -> %08x SP=%08x"), sf->current_pc, sf->branch_pc, sf->stack);
		if (sf->sr & 0x2000)
			console_out_f(_T(" SR=%04x"), sf->sr);
		TCHAR txt1[256], txt2[256];
		if (debugmem_get_segment(sf->branch_pc, NULL, NULL, txt1, txt2)) {
			console_out_f(_T(" %s %s"), txt1, txt2);
		}
		if (debugmem_get_symbol(sf->branch_pc, txt1, sizeof(txt1) / sizeof(TCHAR))) {
			console_out_f(_T(" %s"), txt1);
		}
		console_out_f(_T("\n"));
		uae_u32 sregs[16];
		memcpy(sregs, regs.regs, sizeof(uae_u32) * 16);
		memcpy(regs.regs, sf->regs, sizeof(uae_u32) * 16);
#ifdef DEBUGGER
		m68k_disasm(sf->current_pc, NULL, 0xffffffff, 2);
#endif
		memcpy(regs.regs, sregs, sizeof(uae_u32) * 16);
		console_out_f(_T("\n"));
	}
	return true;
}

bool debugmem_illg(uae_u16 opcode)
{
	if (!debugmem_active)
		return false;
	if (opcode != 0x4afc)
		return false;
	debugmem_break(12);
	return true;
}

static const uae_u8 romend[20] = {
	0x00, 0x08, 0x00, 0x00,
	0x00, 0x18, 0x00, 0x19, 0x00, 0x1a, 0x00, 0x1b, 0x00, 0x1c, 0x00, 0x1d, 0x00, 0x1e, 0x00, 0x1f
};

struct zfile *read_executable_rom(struct zfile *z, int size, int maxblocks)
{
	int len, outlen;
	uae_u8 *out;
	uae_u8 *file = zfile_getdata(z, 0, -1, &len);
	if (!file)
		return NULL;
	if (!debugmem_initialized)
		debugmem_init(false);
	if (!debugmem_initialized)
		return NULL;
	uae_u8 header[8] = { 0 };
	zfile_fseek(z, 0, SEEK_SET);
	zfile_fread(header, 1, sizeof(header), z);
	zfile_fseek(z, 0, SEEK_SET);
	if (header[0] == 0x7f)
		out = loadelffile(file, len, NULL, 0, 0, -1, &outlen, NULL, NULL, ELFMODE_ROM);
	else
		out = loadhunkfile(file, len, 0, -1, &outlen, true);
	if (out) {
		if (outlen > size * maxblocks) {
			write_log(_T("read_executable_rom '%s' size %d larger than max %d\n"), zfile_getname(z), outlen, size);
			xfree(out);
			return NULL;
		}
		int romsize = ((outlen + size - 1) / size) * size;
		uae_u8 *temp = xcalloc(uae_u8, romsize);
		memcpy(temp, out, outlen);
		if (outlen < romsize && romsize == 524288) {
			if (outlen < size - 16) {
				memcpy(temp + size - 20, romend, sizeof(romend));
			}
			kickstart_fix_checksum(temp, size);
		}
		struct zfile *zo = zfile_fopen_empty(NULL, zfile_getname(z), romsize);
		zfile_fwrite(temp, 1, romsize, zo);
		zfile_fseek(zo, 0, SEEK_SET);
		write_log(_T("read_executable_rom loaded '%s' size %d -> %d\n"), zfile_getname(z), outlen, romsize);
		return zo;
	}
	xfree(file);
	return NULL;
}