GNU C Library master sources branch hjl/pr17711 created. glibc-2.20-531-g084fe86

[hjl at sourceware dot org]

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        at  084fe86b6618cc647f888dcbaf0a6f9c2222ec13 (commit)

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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=084fe86b6618cc647f888dcbaf0a6f9c2222ec13

commit 084fe86b6618cc647f888dcbaf0a6f9c2222ec13
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Tue Jan 13 06:19:44 2015 -0800

    Compile gcrt1.o with -fPIC
    
    We compile gcrt1.o with -fPIC to support both "gcc -pg" and "gcc -pie -pg".
    
    	[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.

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.

http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=70d384a2301bcb2702a3e32e23a04c178c667986

commit 70d384a2301bcb2702a3e32e23a04c178c667986
Author: H.J. Lu <hjl.tools@gmail.com>
Date:   Fri Dec 19 06:30:31 2014 -0800

    Compile vismain with -fPIC and link with -pie

diff --git a/elf/Makefile b/elf/Makefile
index e5b142c..02ab9d9 100644
--- a/elf/Makefile
+++ b/elf/Makefile
@@ -130,7 +130,7 @@ endif
 tests += $(tests-static)
 ifeq (yes,$(build-shared))
 tests += loadtest restest1 preloadtest loadfail multiload origtest resolvfail \
-	 constload1 order vismain noload filter unload \
+	 constload1 order noload filter unload \
 	 reldep reldep2 reldep3 reldep4 nodelete nodelete2 \
 	 nodlopen nodlopen2 neededtest neededtest2 \
 	 neededtest3 neededtest4 unload2 lateglobal initfirst global \
@@ -218,6 +218,9 @@ ifeq (yesyes,$(have-fpie)$(build-shared))
 modules-names += tst-piemod1
 tests += tst-pie1 tst-pie2
 tests-pie += tst-pie1 tst-pie2
+tests += vismain
+tests-pie += vismain
+CFLAGS-vismain.c = $(pic-ccflag)
 endif
 modules-execstack-yes = tst-execstack-mod
 extra-test-objs += $(addsuffix .os,$(strip $(modules-names)))

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