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Merge pull request #256 from farmdve/fix_bugs1

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Patch eflags_noset to compile on 32-bit and on 64-bit.
This commit is contained in:
Nguyen Anh Quynh 2015-11-10 21:23:56 +08:00
commit 29b3c57e3c
1 changed files with 25 additions and 10 deletions
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35
tests/regress/eflags_noset.c
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@ -14,28 +14,46 @@
#define TARGET_PAGE_PREPARE(addr) (((addr) + PAGE_4K - 1) & TARGET_PAGE_MASK)
#define TARGET_PAGE_ALIGN(addr) (addr - (TARGET_PAGE_PREPARE(addr) - addr) & TARGET_PAGE_MASK)
unsigned int realEflags()
{
unsigned int val = 0;
unsigned int i = 0xFFFFFEFF; //attempt to set ALL bits except trap flag.
#if defined(__i386__)
typedef uint32_t puint;
#define PRIX3264 PRIX32
#else
typedef uint64_t puint;
#define PRIX3264 PRIX64
#endif
uint32_t realEflags()
{
puint val = 0;
puint i = 0xFFFFFEFF; //attempt to set ALL bits except trap flag.
#if defined(__i386__)
__asm__("pushf\n\t"
"push %0\n\t"
"popf\n\t"
"pushf\n\t"
"pop %0\n\t"
"popf"
#else
__asm__("pushfq\n\t"
"pushq %0\n\t"
"popfq\n\t"
"pushfq\n\t"
"popq %0\n\t"
"popfq"
#endif
: "=r"(val)
: "r"(i)
: "%0");
printf("Real system eflags: 0x%08X\n", val);
printf("Real system eflags: 0x%08"PRIX3264"\n", val);
return val;
return (uint32_t)val & 0xFFFFFFFF;
}
static void VM_exec()
{
uc_engine *uc;
uc_err err;
unsigned int r_eax, eflags, r_esp, realflags = 0;
@ -63,7 +81,7 @@ static void VM_exec()
err = uc_mem_write(uc, ADDRESS, X86_CODE32, sizeof(X86_CODE32) - 1);
if(err != UC_ERR_OK)
{
printf("Failed to write emulation code to memory, quit!: %s(len %lu)\n", uc_strerror(err), sizeof(X86_CODE32) - 1);
printf("Failed to write emulation code to memory, quit!: %s(len %lu)\n", uc_strerror(err), (unsigned long)sizeof(X86_CODE32) - 1);
return;
}
@ -94,11 +112,8 @@ static void VM_exec()
realflags = realEflags();
assert(r_eax == realflags);
puts("Unicorn EFLAGS match expected system eflags");
}
int main(int argc, char *argv[])
{
VM_exec();