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[Bug tdep/19051] incorrect/missing AAPCS vector support on ARM
- From: "cvs-commit at gcc dot gnu.org" <sourceware-bugzilla at sourceware dot org>
- To: gdb-prs at sourceware dot org
- Date: Fri, 13 Nov 2015 15:13:40 +0000
- Subject: [Bug tdep/19051] incorrect/missing AAPCS vector support on ARM
- Auto-submitted: auto-generated
- References: <bug-19051-4717 at http dot sourceware dot org/bugzilla/>
https://sourceware.org/bugzilla/show_bug.cgi?id=19051
--- Comment #4 from cvs-commit at gcc dot gnu.org <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Yao Qi <qiyao@sourceware.org>:
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=c4312b1985f4f3c567546f82e7f26f9b8e914b6f
commit c4312b1985f4f3c567546f82e7f26f9b8e914b6f
Author: Yao Qi <yao.qi@linaro.org>
Date: Fri Nov 13 15:11:58 2015 +0000
PR 19051: support of inferior call with gnu vector support on ARM
This patch teaches GDB to support gnu vector in inferior calls. As a
result, fails in gdb.base/gnu_vector.exp are fixed. The calling
convention of gnu vector isn't documented in the AAPCS, because it
is the GCC extension. I checked the gcc/config/arm/arm.c, understand
how GCC pass arguments and return values, and do the same in GDB side.
The patch is tested with both hard float and soft float on arm-linux.
gdb:
2015-11-13 Yao Qi <yao.qi@linaro.org>
PR tdep/19051
* arm-tdep.c (arm_type_align): Return the right alignment
value for vector.
(arm_vfp_cprc_sub_candidate): Return true for 64-bit and
128-bit vector types.
(arm_return_in_memory): Handel vector type.
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