diff options
Diffstat (limited to 'sys-libs/glibc/files/2.34/glibc-2.34-hppa-asm-getcontext-fixes.patch')
| -rw-r--r-- | sys-libs/glibc/files/2.34/glibc-2.34-hppa-asm-getcontext-fixes.patch | 214 |
1 files changed, 0 insertions, 214 deletions
diff --git a/sys-libs/glibc/files/2.34/glibc-2.34-hppa-asm-getcontext-fixes.patch b/sys-libs/glibc/files/2.34/glibc-2.34-hppa-asm-getcontext-fixes.patch deleted file mode 100644 index 299a6dae..00000000 --- a/sys-libs/glibc/files/2.34/glibc-2.34-hppa-asm-getcontext-fixes.patch +++ /dev/null @@ -1,214 +0,0 @@ -https://sourceware.org/git/?p=glibc.git;a=patch;h=738ee53f0ce5e39b9b7a6777f5d3057afbaac498 -https://sourceware.org/git/?p=glibc.git;a=patch;h=d53b9cc391c72a1011ea8fe7a9f70dc5060a0db2 - -From 738ee53f0ce5e39b9b7a6777f5d3057afbaac498 Mon Sep 17 00:00:00 2001 -From: John David Anglin <danglin@gcc.gnu.org> -Date: Tue, 15 Mar 2022 23:12:37 +0000 -Subject: [PATCH] hppa: Implement swapcontext in assembler (bug 28960) - -When swapcontext.c is compiled without -g, the following error occurs: -Error: CFI instruction used without previous .cfi_startproc - -Fix by converting swapcontext routine to assembler. ---- - sysdeps/unix/sysv/linux/hppa/swapcontext.S | 72 +++++++++++++++++++ - sysdeps/unix/sysv/linux/hppa/swapcontext.c | 83 ---------------------- - 2 files changed, 72 insertions(+), 83 deletions(-) - create mode 100644 sysdeps/unix/sysv/linux/hppa/swapcontext.S - delete mode 100644 sysdeps/unix/sysv/linux/hppa/swapcontext.c - -diff --git a/sysdeps/unix/sysv/linux/hppa/swapcontext.S b/sysdeps/unix/sysv/linux/hppa/swapcontext.S -new file mode 100644 -index 0000000000..94b164dc63 ---- /dev/null -+++ b/sysdeps/unix/sysv/linux/hppa/swapcontext.S -@@ -0,0 +1,72 @@ -+/* Swap to new context. -+ Copyright (C) 2008-2022 Free Software Foundation, Inc. -+ This file is part of the GNU C Library. -+ -+ The GNU C Library is free software; you can redistribute it and/or -+ modify it under the terms of the GNU Lesser General Public -+ License as published by the Free Software Foundation; either -+ version 2.1 of the License, or (at your option) any later version. -+ -+ The GNU C Library is distributed in the hope that it will be useful, -+ but WITHOUT ANY WARRANTY; without even the implied warranty of -+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -+ Lesser General Public License for more details. -+ -+ You should have received a copy of the GNU Lesser General Public -+ License along with the GNU C Library. If not, see -+ <https://www.gnu.org/licenses/>. */ -+ -+#include <sysdep.h> -+#include "ucontext_i.h" -+ -+ .text -+ENTRY(__swapcontext) -+ -+ /* Copy rp to ret0 (r28). */ -+ copy %rp,%ret0 -+ -+ /* Create a frame. */ -+ ldo 64(%sp),%sp -+ .cfi_def_cfa_offset -64 -+ -+ /* Save the current machine context to oucp. */ -+ bl __getcontext,%rp -+ -+ /* Copy oucp to register ret1 (r29). __getcontext saves and -+ restores it on a normal return. It is restored from oR29 -+ on reactivation. */ -+ copy %r26,%ret1 -+ -+ /* Pop frame. */ -+ ldo -64(%sp),%sp -+ .cfi_def_cfa_offset 0 -+ -+ /* Load return pointer from oR28. */ -+ ldw oR28(%ret1),%rp -+ -+ /* Return if error. */ -+ or,= %r0,%ret0,%r0 -+ bv,n %r0(%rp) -+ -+ /* Load sc_sar flag. */ -+ ldb oSAR(%ret1),%r20 -+ -+ /* Return if oucp context has been reactivated. */ -+ or,= %r0,%r20,%r0 -+ bv,n %r0(%rp) -+ -+ /* Mark sc_sar flag. */ -+ ldi 1,%r20 -+ stb %r20,oSAR(%ret1) -+ -+ /* Activate the machine context in ucp. */ -+ bl __setcontext,%rp -+ ldw oR25(%ret1),%r26 -+ -+ /* Load return pointer. */ -+ ldw oR28(%ret1),%rp -+ bv,n %r0(%rp) -+ -+PSEUDO_END(__swapcontext) -+ -+weak_alias (__swapcontext, swapcontext) -diff --git a/sysdeps/unix/sysv/linux/hppa/swapcontext.c b/sysdeps/unix/sysv/linux/hppa/swapcontext.c -deleted file mode 100644 -index 1664f68c7b..0000000000 ---- a/sysdeps/unix/sysv/linux/hppa/swapcontext.c -+++ /dev/null -@@ -1,83 +0,0 @@ --/* Swap to new context. -- Copyright (C) 2008-2021 Free Software Foundation, Inc. -- This file is part of the GNU C Library. -- Contributed by Helge Deller <deller@gmx.de>, 2008. -- -- The GNU C Library is free software; you can redistribute it and/or -- modify it under the terms of the GNU Lesser General Public -- License as published by the Free Software Foundation; either -- version 2.1 of the License, or (at your option) any later version. -- -- The GNU C Library is distributed in the hope that it will be useful, -- but WITHOUT ANY WARRANTY; without even the implied warranty of -- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU -- Lesser General Public License for more details. -- -- You should have received a copy of the GNU Lesser General Public -- License along with the GNU C Library. If not, see -- <https://www.gnu.org/licenses/>. */ -- --#include <ucontext.h> --#include "ucontext_i.h" -- --extern int __getcontext (ucontext_t *ucp); --extern int __setcontext (const ucontext_t *ucp); -- --int --__swapcontext (ucontext_t *oucp, const ucontext_t *ucp) --{ -- /* Save rp for debugger. */ -- asm ("stw %rp,-20(%sp)"); -- asm (".cfi_offset 2, -20"); -- -- /* Copy rp to ret0 (r28). */ -- asm ("copy %rp,%ret0"); -- -- /* Create a frame. */ -- asm ("ldo 64(%sp),%sp"); -- asm (".cfi_def_cfa_offset -64"); -- -- /* Save the current machine context to oucp. */ -- asm ("bl __getcontext,%rp"); -- -- /* Copy oucp to register ret1 (r29). __getcontext saves and restores it -- on a normal return. It is restored from oR29 on reactivation. */ -- asm ("copy %r26,%ret1"); -- -- /* Pop frame. */ -- asm ("ldo -64(%sp),%sp"); -- asm (".cfi_def_cfa_offset 0"); -- -- /* Load return pointer from oR28. */ -- asm ("ldw %0(%%ret1),%%rp" : : "i" (oR28)); -- -- /* Return if error. */ -- asm ("or,= %r0,%ret0,%r0"); -- asm ("bv,n %r0(%rp)"); -- -- /* Load sc_sar flag. */ -- asm ("ldb %0(%%ret1),%%r20" : : "i" (oSAR)); -- -- /* Return if oucp context has been reactivated. */ -- asm ("or,= %r0,%r20,%r0"); -- asm ("bv,n %r0(%rp)"); -- -- /* Mark sc_sar flag. */ -- asm ("1: ldi 1,%r20"); -- asm ("stb %%r20,%0(%%ret1)" : : "i" (oSAR)); -- -- /* Activate the machine context in ucp. */ -- asm ("bl __setcontext,%rp"); -- asm ("ldw %0(%%ret1),%%r26" : : "i" (oR25)); -- -- /* Load return pointer. */ -- asm ("ldw %0(%%ret1),%%rp" : : "i" (oR28)); -- -- /* A successful call to setcontext does not return. */ -- asm ("bv,n %r0(%rp)"); -- -- /* Make gcc happy. */ -- return 0; --} -- --weak_alias (__swapcontext, swapcontext) --- -2.27.0 - - -From d53b9cc391c72a1011ea8fe7a9f70dc5060a0db2 Mon Sep 17 00:00:00 2001 -From: John David Anglin <danglin@gcc.gnu.org> -Date: Tue, 15 Mar 2022 23:04:39 +0000 -Subject: [PATCH] hppa: Use END instead of PSEUDO_END in swapcontext.S - -(cherry picked from commit 7a5c440102d4ec7fafd9bbd98eca9bd90ecaaafd) ---- - sysdeps/unix/sysv/linux/hppa/swapcontext.S | 2 +- - 1 file changed, 1 insertion(+), 1 deletion(-) - -diff --git a/sysdeps/unix/sysv/linux/hppa/swapcontext.S b/sysdeps/unix/sysv/linux/hppa/swapcontext.S -index 94b164dc63..fbc22586d1 100644 ---- a/sysdeps/unix/sysv/linux/hppa/swapcontext.S -+++ b/sysdeps/unix/sysv/linux/hppa/swapcontext.S -@@ -67,6 +67,6 @@ ENTRY(__swapcontext) - ldw oR28(%ret1),%rp - bv,n %r0(%rp) - --PSEUDO_END(__swapcontext) -+END(__swapcontext) - - weak_alias (__swapcontext, swapcontext) --- -2.27.0 |