patches/glibc/2.5.1/190-alpha-sigsuspend.patch
author "Benoît THÉBAUDEAU" <benoit.thebaudeau@advansee.com>
Wed May 25 20:23:48 2011 +0200 (2011-05-25)
branch1.11
changeset 2552 cc285cc98e65
parent 744 4bf8448536d5
permissions -rw-r--r--
debug/gdb: fix runtime sysroot

This patch sets the runtime sysroot to fix the following GDB warning:
"Unable to find dynamic linker breakpoint function.
GDB will be unable to debug shared library initializers
and track explicitly loaded dynamic code."

The sysroot can later be changed within gdb with the `set sysroot`
command if necessary.

Signed-off-by: "Benoît THÉBAUDEAU" <benoit.thebaudeau@advansee.com>
(transplanted from 7690196856ce4a4700d1887cc3adf80acc627c52)
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--- glibc-2.5/sysdeps/unix/sysv/linux/alpha/sigsuspend.S.orig	2006-10-22 22:17:01.000000000 +0200
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+++ glibc-2.5/sysdeps/unix/sysv/linux/alpha/sigsuspend.S	2006-10-22 22:18:05.000000000 +0200
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@@ -31,3 +31,21 @@
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 libc_hidden_def (__sigsuspend)
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 weak_alias (__sigsuspend, sigsuspend)
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 strong_alias (__sigsuspend, __libc_sigsuspend)
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+
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+#ifndef NO_CANCELLATION
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+	.globl __sigsuspend_nocancel;
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+	.align 4;
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+	.type __sigsuspend_nocancel, @function;
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+	.usepv __sigsuspend_nocancel, std;
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+	cfi_startproc;
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+__LABEL(__sigsuspend_nocancel)
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+	ldgp    gp, 0(pv);
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+	PSEUDO_PROF;
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+	PSEUDO_PREPARE_ARGS
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+	lda     v0, SYS_ify(sigsuspend);
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+	call_pal PAL_callsys;
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+	bne     a3, SYSCALL_ERROR_LABEL;
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+	ret;
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+	cfi_endproc;
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+	.size __sigsuspend_nocancel, .-__sigsuspend_nocancel
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+#endif