Now encoding sethi instructions as well
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9b692011ca
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33039927e3
@ -65,6 +65,8 @@ ArchPlugin arch_plugin =
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/* sparc_write */
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static int _write_loadstore(ArchPlugin * plugin, ArchInstruction * instruction,
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ArchInstructionCall * call, uint32_t * opcode);
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static int _write_sethi(ArchPlugin * plugin, ArchInstruction * instruction,
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ArchInstructionCall * call, uint32_t * opcode);
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static int _sparc_write(ArchPlugin * plugin, ArchInstruction * instruction,
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ArchInstructionCall * call)
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@ -74,6 +76,9 @@ static int _sparc_write(ArchPlugin * plugin, ArchInstruction * instruction,
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if((opcode & 0xc0000000) == 0xc0000000 && _write_loadstore(plugin,
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instruction, call, &opcode) != 0)
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return -1;
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else if((opcode & 0x01000000) == 0x01000000 && _write_sethi(plugin,
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instruction, call, &opcode) != 0)
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return -1;
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/* FIXME implement the rest */
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opcode = _htob32(opcode);
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if(fwrite(&opcode, sizeof(opcode), 1, plugin->helper->fp) != 1)
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@ -166,3 +171,28 @@ static int _write_loadstore(ArchPlugin * plugin, ArchInstruction * instruction,
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*opcode |= (rd | rs1 | rs2);
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return 0;
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}
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static int _write_sethi(ArchPlugin * plugin, ArchInstruction * instruction,
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ArchInstructionCall * call, uint32_t * opcode)
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{
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ArchPluginHelper * helper = plugin->helper;
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uint32_t rd;
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uint32_t value;
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char const * name;
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ArchRegister * ar;
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/* value */
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if(AO_GET_TYPE(instruction->op1) != AOT_IMMEDIATE)
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return -1;
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value = (call->operands[0].value.immediate.value >> 10);
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/* rd */
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if(AO_GET_TYPE(instruction->op2) != AOT_REGISTER)
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return -1;
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name = call->operands[1].value._register.name;
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if((ar = helper->get_register_by_name_size(helper->arch,
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name, 32)) == NULL)
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return -1;
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rd = (ar->id << 25);
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*opcode |= (rd | value);
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return 0;
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}
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@ -48,7 +48,7 @@
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sdiv %r29, -$23, %r19
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sdivcc %r16, %r26, %r27
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sdivcc %r29, -$23, %r19
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sethi $0x87654321, %r2
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sethi $0x87654321, %r2 /* 0x0521d950 */
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smul %r16, %r26, %r27
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smul %r29, -$23, %r19
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smulcc %r16, %r26, %r27
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