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tools/objtool: Convert to insn_decode()

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Simplify code, no functional changes.

Signed-off-by: Borislav Petkov <bp@suse.de>
Link: https://lkml.kernel.org/r/20210304174237.31945-18-bp@alien8.de
This commit is contained in:
Borislav Petkov 2020-11-20 17:37:06 +01:00
parent 0c925c61da
commit c7e41b099b
1 changed files with 4 additions and 5 deletions
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9
tools/objtool/arch/x86/decode.c
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@ -90,7 +90,7 @@ int arch_decode_instruction(const struct elf *elf, const struct section *sec,
struct list_head *ops_list)
{
struct insn insn;
int x86_64, sign;
int x86_64, sign, ret;
unsigned char op1, op2, rex = 0, rex_b = 0, rex_r = 0, rex_w = 0,
rex_x = 0, modrm = 0, modrm_mod = 0, modrm_rm = 0,
modrm_reg = 0, sib = 0;
@ -101,10 +101,9 @@ int arch_decode_instruction(const struct elf *elf, const struct section *sec,
if (x86_64 == -1)
return -1;
insn_init(&insn, sec->data->d_buf + offset, maxlen, x86_64);
insn_get_length(&insn);
if (!insn_complete(&insn)) {
ret = insn_decode(&insn, sec->data->d_buf + offset, maxlen,
x86_64 ? INSN_MODE_64 : INSN_MODE_32);
if (ret < 0) {
WARN("can't decode instruction at %s:0x%lx", sec->name, offset);
return -1;
}