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view gen.h @ 681:e26640daf1ae
Prevent an infinite loop when handling out of bounds addresses in translate_m68k_stream
author | Michael Pavone <pavone@retrodev.com> |
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date | Sun, 04 Jan 2015 23:21:56 -0800 |
parents | d0943769353b |
children | a7774fc2de4b |
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#ifndef GEN_H_ #define GEN_H_ #include <stdint.h> #if defined(X86_64) || defined(X86_32) typedef uint8_t code_word; #define RESERVE_WORDS 5 //opcode + 4-byte displacement #else typedef uint32_t code_word; #define RESERVE_WORDS 4 //1 push + 1 ldr + 1bx + 1 constant #endif typedef code_word * code_ptr; #define CODE_ALLOC_SIZE (1024*1024) typedef struct { code_ptr cur; code_ptr last; } code_info; void check_alloc_code(code_info *code, uint32_t inst_size); void init_code_info(code_info *code); void call(code_info *code, code_ptr fun); void jmp(code_info *code, code_ptr dest); void jmp_r(code_info *code, uint8_t dst); //call a function and put the arguments in the appropriate place according to the host ABI void call_args(code_info *code, code_ptr fun, uint32_t num_args, ...); //like the above, but follows other aspects of the ABI like stack alignment void call_args_abi(code_info *code, code_ptr fun, uint32_t num_args, ...); void save_callee_save_regs(code_info *code); void restore_callee_save_regs(code_info *code); #endif //GEN_H_