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morestack.S (__i686.get_pc_thunk.bx): New. 

2011-05-03  Chris Demetriou  <cgd@google.com>

        * config/i386/morestack.S (__i686.get_pc_thunk.bx): New.

From-SVN: r173345
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Chris Demetriou 2011-05-03 16:22:03 -07:00 committed by Chris Demetriou
parent 8a3cabe30f
commit 6ace0756af
2 changed files with 22 additions and 0 deletions
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4
libgcc/ChangeLog
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@ -1,3 +1,7 @@
2011-05-03 Chris Demetriou <cgd@google.com>
* config/i386/morestack.S (__i686.get_pc_thunk.bx): New.
2011-03-22 Joseph Myers <joseph@codesourcery.com> 2011-03-22 Joseph Myers <joseph@codesourcery.com>
* config.host (alpha*-*-gnu*, arc-*-elf*, arm*-*-netbsd*, * config.host (alpha*-*-gnu*, arc-*-elf*, arm*-*-netbsd*,

18
libgcc/config/i386/morestack.S
View File

@ -449,6 +449,24 @@ __morestack:
.size __morestack, . - __morestack .size __morestack, . - __morestack
#endif #endif
#if !defined(__x86_64__) && defined(__PIC__)
# Output the thunk to get PC into bx, since we use it above.
# (__i686 was already undef'd above; don't need to worry about it here.)
.section .text.__i686.get_pc_thunk.bx,"axG",@progbits,__i686.get_pc_thunk.bx,comdat
.globl __i686.get_pc_thunk.bx
.hidden __i686.get_pc_thunk.bx
#ifdef __ELF__
.type __i686.get_pc_thunk.bx, @function
#endif
__i686.get_pc_thunk.bx:
.cfi_startproc
movl (%esp), %ebx
ret
.cfi_endproc
#ifdef __ELF__
.size __i686.get_pc_thunk.bx, . - __i686.get_pc_thunk.bx
#endif
#endif
# The exception table. This tells the personality routine to execute # The exception table. This tells the personality routine to execute
# the exception handler. # the exception handler.