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wine-winehq
Commit 5f38bfed authored by Keno Fischer's avatar Keno Fischer Committed by Alexandre Julliard
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preloader: Add proper CFI instructions to _start functions.

Signed-off-by: 's avatarKeno Fischer <keno@juliacomputing.com> Signed-off-by: 's avatarAlexandre Julliard <julliard@winehq.org>
parent be90480c
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loader/preloader.c
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...@@ -212,6 +212,7 @@ struct ...@@ -212,6 +212,7 @@ struct
void _start(void); void _start(void);
extern char _end[]; extern char _end[];
__ASM_GLOBAL_FUNC(_start, __ASM_GLOBAL_FUNC(_start,
__ASM_CFI("\t.cfi_undefined %eip\n")
"\tmovl $243,%eax\n" /* SYS_set_thread_area */ "\tmovl $243,%eax\n" /* SYS_set_thread_area */
"\tmovl $thread_ldt,%ebx\n" "\tmovl $thread_ldt,%ebx\n"
"\tint $0x80\n" /* allocate gs segment */ "\tint $0x80\n" /* allocate gs segment */
...@@ -363,6 +364,7 @@ void *thread_data[256]; ...@@ -363,6 +364,7 @@ void *thread_data[256];
void _start(void); void _start(void);
extern char _end[]; extern char _end[];
__ASM_GLOBAL_FUNC(_start, __ASM_GLOBAL_FUNC(_start,
__ASM_CFI(".cfi_undefined %rip\n\t")
"movq %rsp,%rax\n\t" "movq %rsp,%rax\n\t"
"leaq -144(%rsp),%rsp\n\t" /* allocate some space for extra aux values */ "leaq -144(%rsp),%rsp\n\t" /* allocate some space for extra aux values */
"movq %rax,(%rsp)\n\t" /* orig stack pointer */ "movq %rax,(%rsp)\n\t" /* orig stack pointer */
......
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