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anal_xtensa: fix l32r offset calculation (#5740)

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Vlad Ivanov 2016-09-12 22:18:43 +03:00 committed by radare
parent 547e98e1f4
commit 0f168ff73b
1 changed files with 9 additions and 6 deletions
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15
libr/anal/p/anal_xtensa.c
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@ -747,21 +747,24 @@ static void esil_load_relative(xtensa_isa isa, xtensa_opcode opcode, xtensa_form
xtensa_regfile dst_rf = xtensa_operand_regfile (isa, opcode, 0);
// example: l32r a2, 0x10
// 0x10,pc,-, // address on stack
// 0xFFFFFFFC,& // clear 3 lsb
// 0x10,$$,3,+ // l32r address + 3 on stack
// 0xFFFFFFFC,&, // clear 2 lsb
// -, // subtract offset
// [4], // read data
// a2, // push data reg
// = // assign to data reg
// a2, // push data reg
// = // assign to data reg
offset = - ((offset | 0xFFFF0000) << 2);
r_strbuf_appendf (
&op->esil,
"0x%x" CM
"pc" CM
"-" CM
"$$" CM
"3" CM
"+" CM
"0xFFFFFFFC" CM
"&" CM
"-" CM
"[4]" CM
"%s%d" CM
"=",