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On sparc64 when compiling 64bit binaries:

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- if proper "marker" objects exist, encode the code model in use in the
   binary
 - default to -mcmodel=medmid (instead of medlow)
This commit is contained in:
martin 2013-11-14 12:21:05 +00:00
parent 591a8c0745
commit 3d01f81a9c
1 changed files with 22 additions and 2 deletions
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24
external/gpl3/gcc/dist/gcc/config/sparc/netbsd-elf.h vendored
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@ -112,7 +112,7 @@ along with GCC; see the file COPYING3. If not see
+ MASK_STACK_BIAS + MASK_APP_REGS + MASK_FPU + MASK_LONG_DOUBLE_128)
#undef SPARC_DEFAULT_CMODEL
#define SPARC_DEFAULT_CMODEL CM_MEDLOW
#define SPARC_DEFAULT_CMODEL CM_MEDMID
#endif
@ -158,6 +158,25 @@ along with GCC; see the file COPYING3. If not see
%{pg:-mcmodel=medlow}} " \
NETBSD_CC1_AND_CC1PLUS_SPEC
#if defined(SPARC_BI_ARCH) || defined(__arch64__)
/* add code model specific object to the link line for 64bit */
#define LINK_SPEC_CODE_MODEL64 \
"%{!shared:" \
"%{!mcmodel=*:%:if-exists(%R/usr/lib/sparc_mcmedmid.o)}" \
"%{mcmodel=medlow:%:if-exists(%R/usr/lib/sparc_mcmedlow.o)}" \
"%{mcmodel=medmid:%:if-exists(%R/usr/lib/sparc_mcmedmid.o)}" \
"%{mcmodel=medany:%:if-exists(%R/usr/lib/sparc_mcmedany.o)}" \
"}"
#ifdef SPARC_BI_ARCH
#define LINK_SPEC_CODE_MODEL "%{!m32:" LINK_SPEC_CODE_MODEL64 "}"
#else
#define LINK_SPEC_CODE_MODEL LINK_SPEC_CODE_MODEL64
#endif
#else
#define LINK_SPEC_CODE_MODEL ""
#endif
/* Make sure we use the right output format. Pick a default and then
make sure -m32/-m64 switch to the right one. */
@ -174,7 +193,8 @@ along with GCC; see the file COPYING3. If not see
#define LINK_SPEC \
"%(link_arch) \
%{!mno-relax:%{!r:-relax}} \
%(netbsd_link_spec)"
%(netbsd_link_spec) " \
LINK_SPEC_CODE_MODEL
#define NETBSD_ENTRY_POINT "__start"