diff options
Diffstat (limited to 'cpu-i386.h')
| -rw-r--r-- | cpu-i386.h | 45 |
1 files changed, 39 insertions, 6 deletions
diff --git a/cpu-i386.h b/cpu-i386.h index 4eac51fb50..9add4175d3 100644 --- a/cpu-i386.h +++ b/cpu-i386.h @@ -1,6 +1,11 @@ +/* NOTE: this header is included in op-i386.c where global register + variable are used. Care must be used when including glibc headers. + */ #ifndef CPU_I386_H #define CPU_I386_H +#include <setjmp.h> + #define R_EAX 0 #define R_ECX 1 #define R_EDX 2 @@ -43,6 +48,27 @@ #define VM_FLAG 0x20000 /* AC 0x40000 */ +#define EXCP00_DIVZ 1 +#define EXCP01_SSTP 2 +#define EXCP02_NMI 3 +#define EXCP03_INT3 4 +#define EXCP04_INTO 5 +#define EXCP05_BOUND 6 +#define EXCP06_ILLOP 7 +#define EXCP07_PREX 8 +#define EXCP08_DBLE 9 +#define EXCP09_XERR 10 +#define EXCP0A_TSS 11 +#define EXCP0B_NOSEG 12 +#define EXCP0C_STACK 13 +#define EXCP0D_GPF 14 +#define EXCP0E_PAGE 15 +#define EXCP10_COPR 17 +#define EXCP11_ALGN 18 +#define EXCP12_MCHK 19 + +#define EXCP_SIGNAL 256 /* async signal */ + enum { CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */ CC_OP_EFLAGS, /* all cc are explicitely computed, CC_SRC = flags */ @@ -89,27 +115,34 @@ typedef struct CPUX86State { /* standard registers */ uint32_t regs[8]; uint32_t pc; /* cs_case + eip value */ - - /* eflags handling */ uint32_t eflags; + + /* emulator internal eflags handling */ uint32_t cc_src; uint32_t cc_dst; uint32_t cc_op; int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */ - + /* segments */ uint8_t *segs_base[6]; - uint32_t segs[6]; /* FPU state */ - CPU86_LDouble fpregs[8]; - uint8_t fptags[8]; /* 0 = valid, 1 = empty */ unsigned int fpstt; /* top of stack index */ unsigned int fpus; unsigned int fpuc; + uint8_t fptags[8]; /* 0 = valid, 1 = empty */ + CPU86_LDouble fpregs[8]; + + /* segments */ + uint32_t segs[6]; /* emulator internal variables */ + CPU86_LDouble ft0; + + /* exception handling */ + jmp_buf jmp_env; + int exception_index; } CPUX86State; static inline int ldub(void *ptr) |