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Merge pull request #403 from frida/fix/x86-sysv-pic-closure-regression

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Fix x86 SysV closure in PIC mode
This commit is contained in:
Anthony Green
2018-02-10 23:23:33 -05:00
committed by GitHub
parent f08b2be627 28d3b61bdd
commit 9429968b82
1 changed files with 2 additions and 2 deletions
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4
src/x86/sysv.S
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@@ -274,7 +274,7 @@ L(C1(pc,N)): \
# define FFI_CLOSURE_CALL_INNER(UWN) \
movl %ebx, 40(%esp); /* save ebx */ \
L(C1(UW,UWN)): \
# cfi_rel_offset(%ebx, 40); \
/* cfi_rel_offset(%ebx, 40); */ \
call C(__x86.get_pc_thunk.bx); /* load got register */ \
addl $C(_GLOBAL_OFFSET_TABLE_), %ebx; \
call ffi_closure_inner@PLT
@@ -284,7 +284,7 @@ L(C1(UW,UWN)): \
leal L(C1(load_table,N))@GOTOFF(%ebx, %eax, 8), %edx; \
movl 40(%esp), %ebx; /* restore ebx */ \
L(C1(UW,UWN)): \
# cfi_restore(%ebx); \
/* cfi_restore(%ebx); */ \
movl closure_CF(%esp), %eax; /* optimiztic load */ \
jmp *%edx
# endif /* DARWIN || HIDDEN */