Revision 0ecfa993 cpu-i386.h
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/* NOTE: this header is included in op-i386.c where global register |
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variable are used. Care must be used when including glibc headers. |
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*/ |
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#ifndef CPU_I386_H |
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#define CPU_I386_H |
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#include <setjmp.h> |
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#define R_EAX 0 |
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#define R_ECX 1 |
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#define R_EDX 2 |
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#define VM_FLAG 0x20000 |
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/* AC 0x40000 */ |
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#define EXCP00_DIVZ 1 |
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#define EXCP01_SSTP 2 |
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#define EXCP02_NMI 3 |
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#define EXCP03_INT3 4 |
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#define EXCP04_INTO 5 |
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#define EXCP05_BOUND 6 |
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#define EXCP06_ILLOP 7 |
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#define EXCP07_PREX 8 |
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#define EXCP08_DBLE 9 |
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#define EXCP09_XERR 10 |
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#define EXCP0A_TSS 11 |
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#define EXCP0B_NOSEG 12 |
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#define EXCP0C_STACK 13 |
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#define EXCP0D_GPF 14 |
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#define EXCP0E_PAGE 15 |
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#define EXCP10_COPR 17 |
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#define EXCP11_ALGN 18 |
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#define EXCP12_MCHK 19 |
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#define EXCP_SIGNAL 256 /* async signal */ |
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enum {
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CC_OP_DYNAMIC, /* must use dynamic code to get cc_op */ |
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CC_OP_EFLAGS, /* all cc are explicitely computed, CC_SRC = flags */ |
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/* standard registers */ |
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uint32_t regs[8]; |
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uint32_t pc; /* cs_case + eip value */ |
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/* eflags handling */ |
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uint32_t eflags; |
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/* emulator internal eflags handling */ |
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uint32_t cc_src; |
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uint32_t cc_dst; |
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uint32_t cc_op; |
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int32_t df; /* D flag : 1 if D = 0, -1 if D = 1 */ |
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/* segments */ |
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uint8_t *segs_base[6]; |
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uint32_t segs[6]; |
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/* FPU state */ |
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CPU86_LDouble fpregs[8]; |
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uint8_t fptags[8]; /* 0 = valid, 1 = empty */ |
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unsigned int fpstt; /* top of stack index */ |
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unsigned int fpus; |
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unsigned int fpuc; |
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uint8_t fptags[8]; /* 0 = valid, 1 = empty */ |
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CPU86_LDouble fpregs[8]; |
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/* segments */ |
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uint32_t segs[6]; |
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/* emulator internal variables */ |
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CPU86_LDouble ft0; |
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/* exception handling */ |
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jmp_buf jmp_env; |
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int exception_index; |
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} CPUX86State; |
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static inline int ldub(void *ptr) |
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