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Move encoded as 'or' in binutils.

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A patch (http://sourceware.org/ml/binutils/2015-07/msg00376.html)
submitted to binutils will be encoding move as an 'or' instruction over
[d]addu in assembly and various code stubs. This patch for gdb addresses
that change for the mips specific parts of gdb.

gdb/ChangeLog:

	* mips-linux-tdep.c (mips_linux_in_dynsym_stub): Recognise 'or'
	as move along with [d]addu.
This commit is contained in:
Simon Dardis 2015-10-28 09:52:17 -07:00 committed by Joel Brobecker
parent 3043c1aba1
commit 93084fcd9b
2 changed files with 11 additions and 4 deletions
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5
gdb/ChangeLog
View file

@ -1,3 +1,8 @@
2015-10-28 Simon Dardis <Simon.Dardis@imgtec.com>
* mips-linux-tdep.c (mips_linux_in_dynsym_stub): Recognise 'or'
as move along with [d]addu.
2015-10-28 Yao Qi <yao.qi@linaro.org>
* aarch64-tdep.c (aarch64_software_single_step): Pass 1 to

10
gdb/mips-linux-tdep.c
View file

@ -739,15 +739,17 @@ mips_linux_in_dynsym_stub (CORE_ADDR pc)
insn = extract_unsigned_integer (p + 4, 4, byte_order);
if (n64)
{
/* daddu t7,ra */
if (insn != 0x03e0782d)
/* 'daddu t7,ra' or 'or t7, ra, zero'*/
if (insn != 0x03e0782d || insn != 0x03e07825)
return 0;
}
else
{
/* addu t7,ra */
if (insn != 0x03e07821)
/* 'addu t7,ra' or 'or t7, ra, zero'*/
if (insn != 0x03e07821 || insn != 0x03e07825)
return 0;
}
insn = extract_unsigned_integer (p + 8, 4, byte_order);