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Re: [PATCH v2 7/9] compile: New 'compile print'
- From: Jan Kratochvil <jan dot kratochvil at redhat dot com>
- To: Paul_Koning at dell dot com
- Cc: eliz at gnu dot org, gdb-patches at sourceware dot org, pmuldoon at redhat dot com
- Date: Wed, 8 Apr 2015 22:33:22 +0200
- Subject: Re: [PATCH v2 7/9] compile: New 'compile print'
- Authentication-results: sourceware.org; auth=none
- References: <20150406172623 dot 31404 dot 58833 dot stgit at host1 dot jankratochvil dot net> <20150406172716 dot 31404 dot 8551 dot stgit at host1 dot jankratochvil dot net> <83bnj1jgsw dot fsf at gnu dot org> <021F612D-0E51-44ED-BA7F-894A8B51F5BF at dell dot com> <20150406175250 dot GA314 at host1 dot jankratochvil dot net> <0484210C-BBE9-4C64-8F51-7DC74ACF8F86 at dell dot com> <A3383291-0FA9-435D-80FB-2CDA40BE220E at dell dot com>
On Wed, 08 Apr 2015 22:11:58 +0200, Paul_Koning@dell.com wrote:
> A related question: what controls the compiler switches sent to the compiler
> for this operation? In some cases, specific switches may be needed to
> produce the correct flavor of code generation, say -msoft-float or
> -mabi=xyz.
gdbarch_gcc_target_options()
DW_AT_producer - -grecord-gcc-switches - gcc default if DWARF is present
Some GDB overrides like -O0 -gdwarf-4 -fPIE etc.
The specific switched you mention should get applied by DW_AT_producer.
Some basic ones may be provided already by gdbarch_gcc_target_options().
Jan