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Add x87 FPU registers #1524

This commit is contained in:
lazymio 2022-01-04 21:12:12 +01:00
parent 47097b55b7
commit d854e22301
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GPG Key ID: DFF27E34A47CB873
2 changed files with 37 additions and 0 deletions
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5
include/unicorn/x86.h
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@ -319,6 +319,11 @@ typedef enum uc_x86_reg {
UC_X86_REG_GS_BASE,
UC_X86_REG_FLAGS,
UC_X86_REG_RFLAGS,
UC_X86_REG_FIP,
UC_X86_REG_FCS,
UC_X86_REG_FDP,
UC_X86_REG_FDS,
UC_X86_REG_FOP,
UC_X86_REG_ENDING // <-- mark the end of the list of registers
} uc_x86_reg;

32
qemu/target/i386/unicorn.c
View File

@ -321,6 +321,22 @@ static void reg_read(CPUX86State *env, unsigned int regid, void *value,
dst[3] = hi_reg->_d[1];
return;
}
case UC_X86_REG_FIP:
*(uint64_t *)value = env->fpip;
return;
case UC_X86_REG_FCS:
*(uint16_t *)value = env->fpcs;
return;
case UC_X86_REG_FDP:
*(uint64_t *)value = env->fpdp;
return;
case UC_X86_REG_FDS:
*(uint16_t *)value = env->fpds;
return;
case UC_X86_REG_FOP:
*(uint16_t *)value = env->fpop;
return;
}
switch (mode) {
@ -912,6 +928,22 @@ static int reg_write(CPUX86State *env, unsigned int regid, const void *value,
hi_reg->_d[1] = src[3];
return 0;
}
case UC_X86_REG_FIP:
env->fpip = *(uint64_t *)value;
return 0;
case UC_X86_REG_FCS:
env->fpcs = *(uint16_t *)value;
return 0;
case UC_X86_REG_FDP:
env->fpdp = *(uint64_t *)value;
return 0;
case UC_X86_REG_FDS:
env->fpds = *(uint16_t *)value;
return 0;
case UC_X86_REG_FOP:
env->fpop = *(uint16_t *)value;
return 0;
}
switch (mode) {