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gdb/amd64: clean up unused variable

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When building with clang 15, I got this,

  CXX    amd64-tdep.o
amd64-tdep.c:1410:13: error: variable 'insn' set but not used[-Werror,-Wunused-but-set-variable]
    gdb_byte *insn = insn_details->raw_insn + modrm_offset;
                ^
1 error generated.

The function that uses this variable has been removed in this commit,

commit 870f88f755
Date:   Mon Apr 18 13:16:27 2016 -0400

    remove trivialy unused variables

Fix this by removing unused variable.

Tested by rebuilding on x86_64-linux with clang 15 and gcc 12.
This commit is contained in:
Enze Li
2022-08-02 06:11:50 +08:00
parent f74a5e6f2e
commit 8b8da1a9f3
1 changed files with 0 additions and 4 deletions
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4
gdb/amd64-tdep.c
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@@ -1407,15 +1407,11 @@ fixup_riprel (struct gdbarch *gdbarch,
{
const struct amd64_insn *insn_details = &dsc->insn_details;
int modrm_offset = insn_details->modrm_offset;
gdb_byte *insn = insn_details->raw_insn + modrm_offset;
CORE_ADDR rip_base;
int insn_length;
int arch_tmp_regno, tmp_regno;
ULONGEST orig_value;
/* %rip+disp32 addressing mode, displacement follows ModRM byte. */
++insn;
/* Compute the rip-relative address. */
insn_length = gdb_buffered_insn_length (gdbarch, dsc->insn_buf.data (),
dsc->insn_buf.size (), from);