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51 lines
1.3 KiB
C
51 lines
1.3 KiB
C
/* radare - LGPL - Copyright 2010-2015 pancake */
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#include <r_debug.h>
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R_API ut64 r_debug_arg_get (RDebug *dbg, int cctype, int num) {
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ut32 n32;
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ut64 n64, sp;
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char reg[32];
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switch (cctype) {
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case R_ANAL_CC_TYPE_SYSV:
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case R_ANAL_CC_TYPE_FASTCALL:
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snprintf (reg, sizeof (reg)-1, "A%d", num);
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return r_debug_reg_get (dbg, reg);
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case R_ANAL_CC_TYPE_STDCALL:
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case R_ANAL_CC_TYPE_PASCAL:
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sp = r_debug_reg_get (dbg, "SP");
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if (dbg->bits == 64) {
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sp += 8; // skip return address, asume we are inside the call
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sp += 8 * num;
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dbg->iob.read_at (dbg->iob.io, sp, (ut8*)&n64, sizeof(ut64));
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// TODO: honor endianness of platform
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return (ut64)n64;
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} else {
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sp += 4; // skip return address, asume we are inside the call
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sp += 4 * num;
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dbg->iob.read_at (dbg->iob.io, sp, (ut8*)&n32, sizeof(ut32));
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// TODO: honor endianness of platform
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return (ut64)n32;
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}
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break;
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}
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snprintf (reg, sizeof (reg)-1, "A%d", num);
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return r_debug_reg_get (dbg, reg);
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}
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R_API bool r_debug_arg_set (RDebug *dbg, int cctype, int num, ut64 val) {
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// TODO
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char reg[32];
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switch (cctype) {
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case R_ANAL_CC_TYPE_SYSV:
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case R_ANAL_CC_TYPE_FASTCALL:
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snprintf (reg, 30, "A%d", num);
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return r_debug_reg_set (dbg, reg, val);
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case R_ANAL_CC_TYPE_STDCALL:
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case R_ANAL_CC_TYPE_PASCAL:
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/* TODO: get from stack */
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break;
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}
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return false;
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}
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