patches/glibc/ports-2.10.1/230-no-inline-gmon.patch
author Zhenqiang Chen <zhenqiang.chen@linaro.org>
Fri Nov 18 11:32:50 2011 +0800 (2011-11-18)
branch1.13
changeset 2841 64fe22ca6e6f
permissions -rw-r--r--
cc/gcc: Apply CT_CC_GCC_DISABLE_PCH to do_cc_core.

Otherwise, users have to input --disable-libstdcxx-pch option
when building bare-metal CANADIAN C++ compiler.

Reviewed-by: Michael Hope
Signed-off-by: Zhenqiang Chen <zhenqiang.chen@linaro.org>
(transplanted from e3e1c9d45bddfbfb433ee9d583faf42fa31f50c0)
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http://bugs.gentoo.org/196245
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http://sourceware.org/ml/libc-alpha/2006-05/msg00017.html
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Attached is a patch to add __attribute__ ((noinline)) to
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call_gmon_start.
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Without this patch, the sec script that processed initfini.s removes a
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part of inlined call_gmon_start, causing undefined label errors.
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This patch solves the problem by forcing gcc not to inline
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call_gmon_start with __attribute__ ((noinline)).
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Tested by building for arm-none-lixux-gnueabi.  OK to apply?
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Kazu Hirata
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2006-05-07  Kazu Hirata  &lt;kazu@codesourcery.com&gt;
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	* sysdeps/generic/initfini.c (call_gmon_start): Add
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	__attribute__ ((noinline)).
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Index: sysdeps/generic/initfini.c
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===================================================================
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diff -durN glibc-2.10.1.orig/sysdeps/generic/initfini.c glibc-2.10.1/sysdeps/generic/initfini.c
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--- glibc-2.10.1.orig/sysdeps/generic/initfini.c	2007-06-17 20:02:40.000000000 +0200
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+++ glibc-2.10.1/sysdeps/generic/initfini.c	2009-11-13 00:50:09.000000000 +0100
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@@ -70,7 +70,7 @@
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 /* The beginning of _init:  */
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 asm ("\n/*@_init_PROLOG_BEGINS*/");
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-static void
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+static void __attribute__ ((noinline))
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 call_gmon_start(void)
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 {
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   extern void __gmon_start__ (void) __attribute__ ((weak)); /*weak_extern (__gmon_start__);*/