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Allow decoding instructions without disassembling them #8

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Allow decoding instructions without disassembling them #8

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9 changes: 6 additions & 3 deletions src/riscv-disas.c
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Original file line number Diff line number Diff line change
Expand Up @@ -2264,13 +2264,16 @@ void inst_fetch(const uint8_t *data, rv_inst *instp, size_t *length)
}

/* disassemble instruction */

void disasm_inst(char *buf, size_t buflen, rv_isa isa, uint64_t pc, rv_inst inst)
{
rv_decode decode_inst(rv_isa isa, uint64_t pc, rv_inst inst){
rv_decode dec = { .pc = pc, .inst = inst };
decode_inst_opcode(&dec, isa);
decode_inst_operands(&dec);
decode_inst_decompress(&dec, isa);
decode_inst_lift_pseudo(&dec);
return dec;
}
void disasm_inst(char *buf, size_t buflen, rv_isa isa, uint64_t pc, rv_inst inst)
{
rv_decode dec = decode_inst(isa, pc, inst);
decode_inst_format(buf, buflen, 32, &dec);
}
1 change: 1 addition & 0 deletions src/riscv-disas.h
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Expand Up @@ -515,6 +515,7 @@ typedef struct {

size_t inst_length(rv_inst inst);
void inst_fetch(const uint8_t *data, rv_inst *instp, size_t *length);
rv_decode decode_inst(rv_isa isa, uint64_t pc, rv_inst inst);
void disasm_inst(char *buf, size_t buflen, rv_isa isa, uint64_t pc, rv_inst inst);

#endif