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wine-winehq
Commit b9fd2c8d authored by Alexandre Julliard's avatar Alexandre Julliard
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libwine: Add unwind annotations to the stack switching functions for x86_64.

parent 4830a291
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Showing with 9 additions and 48 deletions
libs/wine/port.c
View file @ b9fd2c8d
......@@ -53,30 +53,7 @@ void wine_pthread_set_functions( const struct wine_pthread_functions *functions,
*
* Switch to the specified stack and call the function.
*/
void DECLSPEC_NORETURN wine_switch_to_stack( void (*func)(void *), void *arg, void *stack );
#if defined(__i386__) && defined(__GNUC__)
__ASM_GLOBAL_FUNC( wine_switch_to_stack,
"movl 4(%esp),%ecx\n\t" /* func */
"movl 8(%esp),%edx\n\t" /* arg */
"movl 12(%esp),%esp\n\t" /* stack */
"andl $~15,%esp\n\t"
"subl $12,%esp\n\t"
"pushl %edx\n\t"
"xorl %ebp,%ebp\n\t"
"call *%ecx\n\t"
"int $3" /* we never return here */ )
#elif defined(__i386__) && defined(_MSC_VER)
__declspec(naked) void wine_switch_to_stack( void (*func)(void *), void *arg, void *stack )
{
__asm mov ecx, 4[esp];
__asm mov edx, 8[esp];
__asm mov esp, 12[esp];
__asm push edx;
__asm xor ebp, ebp;
__asm call [ecx];
__asm int 3;
}
#elif defined(__sparc__) && defined(__GNUC__)
#if defined(__sparc__) && defined(__GNUC__)
__ASM_GLOBAL_FUNC( wine_switch_to_stack,
"mov %o0, %l0\n\t" /* store first argument */
"mov %o1, %l1\n\t" /* store second argument */
......@@ -92,16 +69,6 @@ __ASM_GLOBAL_FUNC( wine_switch_to_stack,
"subi r1,r1,0x100\n\t" /* adjust stack pointer */
"bctrl\n" /* call ctr */
"1:\tb 1b") /* loop */
#elif defined(__powerpc__) && defined(__GNUC__)
__ASM_GLOBAL_FUNC( wine_switch_to_stack,
"mtctr 3\n\t" /* func -> ctr */
"mr 3,4\n\t" /* args -> function param 1 (r3) */
"mr 1,5\n\t" /* stack */
"subi 1, 1, 16\n\t" /* allocate space for the callee */
"li 0, 0\n\t" /* load zero */
"stw 0, 0(1)\n\t" /* create a bottom stack frame */
"bctrl\n\t" /* call ctr */
"1:\tb 1b") /* loop */
#elif defined(__ALPHA__) && defined(__GNUC__)
__ASM_GLOBAL_FUNC( wine_switch_to_stack,
"mov $16,$0\n\t" /* func */
......@@ -109,15 +76,6 @@ __ASM_GLOBAL_FUNC( wine_switch_to_stack,
"mov $18,$30\n\t" /* stack */
"jsr $31,($0),0\n\t" /* call func */
"L1:\tbr $31,L1") /* loop */
#elif defined(__x86_64__) && defined(__GNUC__)
__ASM_GLOBAL_FUNC( wine_switch_to_stack,
"movq %rdi,%rax\n\t" /* func */
"movq %rsi,%rdi\n\t" /* arg */
"andq $~15,%rdx\n\t" /* stack */
"movq %rdx,%rsp\n\t"
"xorq %rbp,%rbp\n\t"
"callq *%rax\n\t" /* call func */
"int $3")
#else
void DECLSPEC_NORETURN wine_switch_to_stack( void (*func)(void *), void *arg, void *stack )
{
......@@ -170,17 +128,20 @@ __declspec(naked) int wine_call_on_stack( int (*func)(void *), void *arg, void *
#elif defined(__x86_64__) && defined(__GNUC__)
__ASM_GLOBAL_FUNC( wine_call_on_stack,
"pushq %rbp\n\t"
"pushq %rbx\n\t"
"movq %rsp,%rbx\n\t"
".cfi_adjust_cfa_offset 8\n\t"
".cfi_rel_offset %rbp,0\n\t"
"movq %rsp,%rbp\n\t"
".cfi_def_cfa_register %rbp\n\t"
"movq %rdi,%rax\n\t" /* func */
"movq %rsi,%rdi\n\t" /* arg */
"andq $~15,%rdx\n\t" /* stack */
"movq %rdx,%rsp\n\t"
"xorq %rbp,%rbp\n\t"
"callq *%rax\n\t" /* call func */
"movq %rbx,%rsp\n\t"
"popq %rbx\n\t"
"movq %rbp,%rsp\n\t"
".cfi_def_cfa_register %rsp\n\t"
"popq %rbp\n\t"
".cfi_adjust_cfa_offset -8\n\t"
".cfi_same_value %rbp\n\t"
"ret")
#elif defined(__powerpc__) && defined(__GNUC__)
__ASM_GLOBAL_FUNC( wine_call_on_stack,
......
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