Skip to content

mcount: Fix segfault on GCC7 #7

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
JIMyungSik wants to merge 2 commits into
base: master
Choose a base branch
from
Open

mcount: Fix segfault on GCC7 #7

Changes from all commits
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
b18c0a5
issue clear issue number#1
JIMyungSik Sep 2, 2017
09dd8cf
mcount: Fix return value of PLT functions
JIMyungSik Sep 2, 2017
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
28 changes: 14 additions & 14 deletions arch/x86_64/plthook.S
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3,20 +3,20 @@ plt_hooker:
.cfi_startproc
/* PLT code already pushed symbol and module indices */
.cfi_adjust_cfa_offset 16
sub $48, %rsp
.cfi_adjust_cfa_offset 48
movq %rdi, 40(%rsp)
.cfi_offset rdi, -32
movq %rsi, 32(%rsp)
.cfi_offset rsi, -40
movq %rdx, 24(%rsp)
.cfi_offset rdx, -48
movq %rcx, 16(%rsp)
.cfi_offset rcx, -56
movq %r8, 8(%rsp)
.cfi_offset r8, -64
movq %r9, 0(%rsp)
.cfi_offset r9, -72
sub $56, %rsp
.cfi_adjust_cfa_offset 56
movq %rdi, 48(%rsp)
.cfi_offset rdi, -24
movq %rsi, 40(%rsp)
.cfi_offset rsi, -32
movq %rdx, 32(%rsp)
.cfi_offset rdx, -40
movq %rcx, 24(%rsp)
.cfi_offset rcx, -48
movq %r8, 16(%rsp)
.cfi_offset r8, -56
movq %r9, 8(%rsp)
.cfi_offset r9, -64

/* child idx */
movq 56(%rsp), %rsi
Expand Down