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Fix return pointer save and PIC register restore in __getcontext and
__setcontext on hppa. * sysdeps/unix/sysv/linux/hppa/getcontext.S (__getcontext): Save return pointer in frame. * sysdeps/unix/sysv/linux/hppa/setcontext.S (__setcontext): Likewise. Correct offset used to restore PIC register.
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@ -1,3 +1,10 @@
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2017-10-01 John David Anglin <danglin@gcc.gnu.org>
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* sysdeps/unix/sysv/linux/hppa/getcontext.S (__getcontext): Save return
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pointer in frame.
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* sysdeps/unix/sysv/linux/hppa/setcontext.S (__setcontext): Likewise.
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Correct offset used to restore PIC register.
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2017-09-30 John David Anglin <danglin@gcc.gnu.org>
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[BZ libc/22165]
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@ -129,6 +129,8 @@ ENTRY(__getcontext)
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fstds %fr31, 0(%r1)
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/* Prologue */
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stw %r2, -20(%sp)
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.cfi_offset 2, -20
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stwm %r4, 64(%sp)
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.cfi_def_cfa_offset -64
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.cfi_offset 4, 0
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@ -25,6 +25,8 @@
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ENTRY(__setcontext)
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/* Prologue */
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stw %r2, -20(%sp)
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.cfi_offset 2, -20
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stwm %r3, 64(%sp)
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.cfi_def_cfa_offset -64
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.cfi_offset 3, 0
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@ -151,7 +153,7 @@ ENTRY(__setcontext)
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/* Epilogue */
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ldw -84(%r30), %r2
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#ifdef PIC
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ldw -96(%r30), %r19
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ldw -32(%r30), %r19
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#endif
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bv %r0(%r2)
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ldwm -64(%r30), %r3
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