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PING: [PATCH] [BZ #17836]: -pg -pie doesn't work on x86-64
- From: "H.J. Lu" <hjl dot tools at gmail dot com>
- To: GNU C Library <libc-alpha at sourceware dot org>
- Date: Mon, 9 Feb 2015 08:15:40 -0800
- Subject: PING: [PATCH] [BZ #17836]: -pg -pie doesn't work on x86-64
- Authentication-results: sourceware.org; auth=none
PING
On Tue, Jan 13, 2015 at 6:26 AM, H.J. Lu <hjl.tools@gmail.com> wrote:
> We compile gcrt1.o with -fPIC to support both "gcc -pg" and "gcc -pie -pg".
> Tested on x86-64, i686 and x32. OK for trunk after 2.21 is released?
>
>
> H.J.
> ---
> [BZ #17836]
> * csu/Makefile (extra-objs): Add gmon-start.o if not builing
> shared library. Add gmon-start.os otherwise.
> ($(objpfx)g$(start-installed-name)): Use $(objpfx)S%
> $(objpfx)gmon-start.os if builing shared library.
> ($(objpfx)g$(static-start-installed-name)): Likewise.
> ---
> csu/Makefile | 13 +++++++++++--
> 1 file changed, 11 insertions(+), 2 deletions(-)
>
> diff --git a/csu/Makefile b/csu/Makefile
> index f7cf4af..9f0855a 100644
> --- a/csu/Makefile
> +++ b/csu/Makefile
> @@ -32,7 +32,7 @@ aux = errno
> elide-routines.os = libc-tls
> static-only-routines = elf-init
> csu-dummies = $(filter-out $(start-installed-name),crt1.o Mcrt1.o)
> -extra-objs = start.o gmon-start.o \
> +extra-objs = start.o \
> $(start-installed-name) g$(start-installed-name) $(csu-dummies) \
> S$(start-installed-name)
> omit-deps = $(patsubst %.o,%,$(start-installed-name) g$(start-installed-name) \
> @@ -46,9 +46,11 @@ tests := tst-empty tst-atomic tst-atomic-long
> tests-static := tst-empty
>
> ifeq (yes,$(build-shared))
> -extra-objs += S$(start-installed-name)
> +extra-objs += S$(start-installed-name) gmon-start.os
> install-lib += S$(start-installed-name)
> generated += start.os
> +else
> +extra-objs += gmon-start.o
> endif
>
> ifneq ($(start-installed-name),$(static-start-installed-name))
> @@ -95,10 +97,17 @@ endif
> # The profiling startfile is made by linking together the normal
> # startfile with gmon-start.o, which defines a constructor function
> # to turn on profiling code at startup.
> +ifeq (yes,$(build-shared))
> +$(addprefix $(objpfx),$(sort g$(start-installed-name) \
> + g$(static-start-installed-name))): \
> + $(objpfx)g%: $(objpfx)S% $(objpfx)gmon-start.os
> + $(link-relocatable)
> +else
> $(addprefix $(objpfx),$(sort g$(start-installed-name) \
> g$(static-start-installed-name))): \
> $(objpfx)g%: $(objpfx)% $(objpfx)gmon-start.o
> $(link-relocatable)
> +endif
>
> # These extra files are sometimes expected by system standard linking
> # procedures, but we have nothing for them to do. So compile empty files.
> --
> 1.9.3
>
--
H.J.