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size-optimize sh/fdpic dynamic entry point

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the __fdpic_fixup code is not needed for ET_DYN executables, which
instead use reloctions, so we can omit it from the dynamic linker and
static-pie entry point and save some code size.
This commit is contained in:
Rich Felker 2015-09-22 04:14:07 +00:00
parent cab2b1f9d7
commit 7f9086df95
1 changed files with 4 additions and 0 deletions
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4
arch/sh/crt_arch.h
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@ -4,6 +4,7 @@ __asm__(
".text \n" ".text \n"
".global " START " \n" ".global " START " \n"
START ": \n" START ": \n"
#ifndef SHARED
" mov r8, r4 \n" " mov r8, r4 \n"
" mova 1f, r0 \n" " mova 1f, r0 \n"
" mov.l 1f, r5 \n" " mov.l 1f, r5 \n"
@ -12,6 +13,7 @@ START ": \n"
" bsr __fdpic_fixup \n" " bsr __fdpic_fixup \n"
" add r0, r6 \n" " add r0, r6 \n"
" mov r0, r12 \n" " mov r0, r12 \n"
#endif
" mov r10, r5 \n" " mov r10, r5 \n"
" mov r15, r4 \n" " mov r15, r4 \n"
" mov.l r9, @-r15 \n" " mov.l r9, @-r15 \n"
@ -24,7 +26,9 @@ START ": \n"
" .long __ROFIXUP_END__@PCREL + 4 \n" " .long __ROFIXUP_END__@PCREL + 4 \n"
); );
#ifndef SHARED
#include "fdpic_crt.h" #include "fdpic_crt.h"
#endif
#else #else