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Call __setcontext with HIDDEN_JUMPTARGET
i386 __makecontext should call __setcontext with HIDDEN_JUMPTARGET. [BZ #18822] * sysdeps/unix/sysv/linux/i386/makecontext.S (__makecontext): Don't load %ebx when calling __setcontext. Call __setcontext with HIDDEN_JUMPTARGET. * sysdeps/unix/sysv/linux/i386/setcontext.S (__setcontext): Add libc_hidden_def.
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@ -1,3 +1,12 @@
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2015-08-19 H.J. Lu <hongjiu.lu@intel.com>
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[BZ #18822]
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* sysdeps/unix/sysv/linux/i386/makecontext.S (__makecontext):
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Don't load %ebx when calling __setcontext. Call __setcontext
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with HIDDEN_JUMPTARGET.
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* sysdeps/unix/sysv/linux/i386/setcontext.S (__setcontext): Add
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libc_hidden_def.
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2015-08-19 H.J. Lu <hongjiu.lu@intel.com>
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* sysdeps/i386/i686/Makefile
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@ -102,15 +102,10 @@ L(exitcode):
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parameters (see above). */
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leal (%esp,%ebx,4), %esp
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#ifdef PIC
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call 1f
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1: popl %ebx
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addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ebx
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#endif
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cmpl $0, (%esp) /* Check the next context. */
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je 2f /* If it is zero exit. */
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call JUMPTARGET(__setcontext)
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call HIDDEN_JUMPTARGET(__setcontext)
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/* If this returns (which can happen if the syscall fails) we'll
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exit the program with the return error value (-1). */
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@ -91,5 +91,6 @@ ENTRY(__setcontext)
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ret
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PSEUDO_END(__setcontext)
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libc_hidden_def (__setcontext)
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weak_alias (__setcontext, setcontext)
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