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[KMTESTS:EX]

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- Make hard-coded calling convention exceptions in ExInterlocked compatible with GCC 4.7, and add the corresponding TODO about how ugly this is

svn path=/trunk/; revision=57166
This commit is contained in:
Thomas Faber 2012-08-26 12:06:45 +00:00
parent 38ce718bde
commit 8003401991
1 changed files with 19 additions and 16 deletions
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35
rostests/kmtests/ntos_ex/ExInterlocked.c
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@ -50,6 +50,8 @@ typedef struct
typedef int PROCESSOR_STATE;
#endif
/* TODO: these need to be rewritten in proper assembly to account for registers
* saved by the caller */
#if defined(_MSC_VER) && defined(_M_IX86)
#define SaveState(State) do \
{ \
@ -74,19 +76,20 @@ typedef int PROCESSOR_STATE;
#elif defined(__GNUC__) && defined(_M_IX86)
#define SaveState(State) \
asm volatile( \
"movl\t%%esi, (%%ecx)\n\t" \
"movl\t%%edi, 4(%%ecx)\n\t" \
"movl\t%%ebx, 8(%%ecx)\n\t" \
"movl\t%%ebp, 12(%%ecx)\n\t" \
"movl\t%%esp, 16(%%ecx)" \
"movl\t%%esi, (%%ecx)\n\t" \
"movl\t%%edi, 4(%%ecx)\n\t" \
"movl\t%%ebx, 8(%%ecx)\n\t" \
"movl\t%%ebp, 12(%%ecx)\n\t" \
"movl\t%%esp, 16(%%ecx)" \
: : "c" (&State) : "memory" \
);
#define CheckState(OldState, NewState) do \
{ \
ok_eq_hex((OldState)->esi, (NewState)->esi); \
/* TODO: GCC 4.7 uses esi and saves it before, so this is okay */ \
/*ok_eq_hex((OldState)->esi, (NewState)->esi);*/ \
ok_eq_hex((OldState)->edi, (NewState)->edi); \
/* TODO: GCC uses ebx and saves it before, so this is okay */ \
/* TODO: GCC 4.4 uses ebx and saves it before, so this is okay */ \
/*ok_eq_hex((OldState)->ebx, (NewState)->ebx);*/ \
ok_eq_hex((OldState)->ebp, (NewState)->ebp); \
ok_eq_hex((OldState)->esp, (NewState)->esp); \
@ -94,15 +97,15 @@ typedef int PROCESSOR_STATE;
#elif defined(__GNUC__) && defined(_M_AMD64)
#define SaveState(State) \
asm volatile( \
"mov\t%%rsi, (%%rcx)\n\t" \
"mov\t%%rdi, 8(%%rcx)\n\t" \
"mov\t%%rbx, 16(%%rcx)\n\t" \
"mov\t%%rbp, 24(%%rcx)\n\t" \
"mov\t%%rsp, 32(%%rcx)\n\t" \
"mov\t%%r12, 40(%%rcx)\n\t" \
"mov\t%%r13, 48(%%rcx)\n\t" \
"mov\t%%r14, 56(%%rcx)\n\t" \
"mov\t%%r15, 64(%%rcx)" \
"mov\t%%rsi, (%%rcx)\n\t" \
"mov\t%%rdi, 8(%%rcx)\n\t" \
"mov\t%%rbx, 16(%%rcx)\n\t" \
"mov\t%%rbp, 24(%%rcx)\n\t" \
"mov\t%%rsp, 32(%%rcx)\n\t" \
"mov\t%%r12, 40(%%rcx)\n\t" \
"mov\t%%r13, 48(%%rcx)\n\t" \
"mov\t%%r14, 56(%%rcx)\n\t" \
"mov\t%%r15, 64(%%rcx)" \
: : "c" (&State) : "memory" \
);