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Mon Jun 12 13:15:45 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>

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* Makerules (lib%.so: lib%_pic.a): Moved this rule to after
 	installation rules.

	* sysdeps/mach/sysdep.h [HAVE_ELF] (ENTRY): Redefine this macro so
 	it uses the `.type' directive, which is necessary for shared
 	libraries to work properly.
This commit is contained in:
Roland McGrath 1995-06-12 18:26:02 +00:00
parent f2b0f935d7
commit 1a2df358c8
3 changed files with 41 additions and 18 deletions
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9
ChangeLog
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@ -1,3 +1,12 @@
Mon Jun 12 13:15:45 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* Makerules (lib%.so: lib%_pic.a): Moved this rule to after
installation rules.
* sysdeps/mach/sysdep.h [HAVE_ELF] (ENTRY): Redefine this macro so
it uses the `.type' directive, which is necessary for shared
libraries to work properly.
Thu Jun 8 02:50:26 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
* elf/dl-load.c (_dl_map_object): Add MAP_INHERIT flag in mmap

39
Makerules
View File

@ -350,24 +350,6 @@ lib: lib-noranlib $(foreach l,$(libtypes),$(patsubst %,$(common-objpfx)$l,c))
# Pattern rule for libraries: depend on the __.SYMDEF member updated by ranlib.
lib%.a: lib%.a(__.SYMDEF) ;
ifeq (yes,$(build-shared))
# Pattern rule to build a shared object from an archive of PIC objects.
# $(LDLIBS-%.so) may contain -l switches to generate run-time dependencies
# on other shared objects.
lib%.so: lib%_pic.a
$(LINK.o) -shared -o $@ \
$(LDFLAGS.so) $(LDFLAGS-$(notdir $*).so) \
-L$(firstword $(objdir) .) -L$(common-objpfx:%/=%) \
$(LDLIBS-$(notdir $*).so) -Wl,--whole-archive $< \
# Don't try to use -lc when making libc.so itself.
# Also omits crti.o and crtn.o, which we do not want
# since we define our own `.init' section specially.
LDFLAGS-c.so = -nostdlib -nostartfiles
# Give libc.so an entry point and make it directly runnable itself.
LDFLAGS-c.so += -Wl,-dynamic-linker -Wl,/lib/ld.so -e __libc_print_version
endif
libobjs: $(foreach o,$(object-suffixes),\
$(common-objpfx)$(patsubst %,$(libtype$o),c)(\
$(notdir $(objects:.o=$o))))
@ -564,6 +546,27 @@ install-no-libc.a-nosubdir: install-headers-nosubdir install-data-nosubdir\
install-others-nosubdir install-sbin-nosubdir
install: install-no-libc.a-nosubdir
ifeq (yes,$(build-shared))
# Pattern rule to build a shared object from an archive of PIC objects.
# This must come after the installation rules so Make doesn't try to
# build shared libraries in place from the installed *_pic.a files.
# $(LDLIBS-%.so) may contain -l switches to generate run-time dependencies
# on other shared objects.
lib%.so: lib%_pic.a
$(LINK.o) -shared -o $@ \
$(LDFLAGS.so) $(LDFLAGS-$(notdir $*).so) \
-L$(firstword $(objdir) .) -L$(common-objpfx:%/=%) \
$(LDLIBS-$(notdir $*).so) -Wl,--whole-archive $< \
# Don't try to use -lc when making libc.so itself.
# Also omits crti.o and crtn.o, which we do not want
# since we define our own `.init' section specially.
LDFLAGS-c.so = -nostdlib -nostartfiles
# Give libc.so an entry point and make it directly runnable itself.
LDFLAGS-c.so += -Wl,-dynamic-linker -Wl,/lib/ld.so -e __libc_print_version
endif
# Command to compile $< in $(objdir) using the native libraries.
define native-compile
cwd=`pwd`; cd $(@D); $(BUILD_CC) $(BUILD_CFLAGS) \

11
sysdeps/mach/sysdep.h
View File

@ -28,6 +28,17 @@ Cambridge, MA 02139, USA. */
#define EXT(x) C_SYMBOL_NAME(x)
#define LEXT(x) C_SYMBOL_NAME(x##:)
#ifdef HAVE_ELF
/* For ELF we need to add the `.type' directive to make shared libraries
work right. */
#undef ENTRY
#define ENTRY(name) \
ASM_GLOBAL_DIRECTIVE name; \
.align ALIGN; \
.type name,@function; \
name:
#endif
#endif
/* This is invoked by things run when there is random lossage, before they