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binutils: properly split ar and ranlib

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By not linking the exact same object file twice, in particular ranlib can
benefit quite a bit from the compiler eliminating dead code.
This commit is contained in:
Jan Beulich
2025-04-04 10:20:14 +02:00
parent 2fb3d389d8
commit 25a0668a95
5 changed files with 19 additions and 17 deletions
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6
binutils/Makefile.am
View File

@@ -287,13 +287,13 @@ endif
cxxfilt_SOURCES = cxxfilt.c $(BULIBS)
ar_SOURCES = arparse.y arlex.l ar.c not-ranlib.c arsup.c rename.c binemul.c \
ar_SOURCES = arparse.y arlex.l not-ranlib.c arsup.c rename.c binemul.c \
emul_$(EMULATION).c $(BULIBS)
EXTRA_ar_SOURCES = $(CFILES)
ar_LDADD = $(BFDLIB) $(LIBIBERTY) $(LEXLIB) $(LIBINTL)
ranlib_SOURCES = ar.c is-ranlib.c arparse.y arlex.l arsup.c rename.c \
binemul.c emul_$(EMULATION).c $(BULIBS)
ranlib_SOURCES = arparse.y arlex.l is-ranlib.c arsup.c rename.c binemul.c \
emul_$(EMULATION).c $(BULIBS)
ranlib_LDADD = $(BFDLIB) $(LIBIBERTY) $(LEXLIB) $(LIBINTL)
addr2line_SOURCES = addr2line.c $(BULIBS)

16
binutils/Makefile.in
View File

@@ -208,9 +208,9 @@ AM_V_lt = $(am__v_lt_@AM_V@)
am__v_lt_ = $(am__v_lt_@AM_DEFAULT_V@)
am__v_lt_0 = --silent
am__v_lt_1 =
am_ar_OBJECTS = arparse.$(OBJEXT) arlex.$(OBJEXT) ar.$(OBJEXT) \
not-ranlib.$(OBJEXT) arsup.$(OBJEXT) rename.$(OBJEXT) \
binemul.$(OBJEXT) emul_$(EMULATION).$(OBJEXT) $(am__objects_1)
am_ar_OBJECTS = arparse.$(OBJEXT) arlex.$(OBJEXT) not-ranlib.$(OBJEXT) \
arsup.$(OBJEXT) rename.$(OBJEXT) binemul.$(OBJEXT) \
emul_$(EMULATION).$(OBJEXT) $(am__objects_1)
ar_OBJECTS = $(am_ar_OBJECTS)
bfdtest1_SOURCES = bfdtest1.c
bfdtest1_OBJECTS = bfdtest1.$(OBJEXT)
@@ -249,8 +249,8 @@ am_objdump_OBJECTS = objdump.$(OBJEXT) dwarf.$(OBJEXT) prdbg.$(OBJEXT) \
$(am__objects_2)
objdump_OBJECTS = $(am_objdump_OBJECTS)
@ENABLE_LIBCTF_TRUE@am__DEPENDENCIES_2 = ../libctf/libctf.la
am_ranlib_OBJECTS = ar.$(OBJEXT) is-ranlib.$(OBJEXT) arparse.$(OBJEXT) \
arlex.$(OBJEXT) arsup.$(OBJEXT) rename.$(OBJEXT) \
am_ranlib_OBJECTS = arparse.$(OBJEXT) arlex.$(OBJEXT) \
is-ranlib.$(OBJEXT) arsup.$(OBJEXT) rename.$(OBJEXT) \
binemul.$(OBJEXT) emul_$(EMULATION).$(OBJEXT) $(am__objects_1)
ranlib_OBJECTS = $(am_ranlib_OBJECTS)
am_readelf_OBJECTS = readelf.$(OBJEXT) version.$(OBJEXT) \
@@ -805,13 +805,13 @@ objdump_SOURCES = objdump.c dwarf.c prdbg.c demanguse.c $(DEBUG_SRCS) $(BULIBS)
EXTRA_objdump_SOURCES = od-elf32_avr.c od-macho.c od-xcoff.c od-pe.c
objdump_LDADD = $(OBJDUMP_PRIVATE_OFILES) $(OPCODES) $(LIBCTF) $(BFDLIB) $(LIBIBERTY) $(LIBINTL) $(DEBUGINFOD_LIBS) $(LIBSFRAME)
cxxfilt_SOURCES = cxxfilt.c $(BULIBS)
ar_SOURCES = arparse.y arlex.l ar.c not-ranlib.c arsup.c rename.c binemul.c \
ar_SOURCES = arparse.y arlex.l not-ranlib.c arsup.c rename.c binemul.c \
emul_$(EMULATION).c $(BULIBS)
EXTRA_ar_SOURCES = $(CFILES)
ar_LDADD = $(BFDLIB) $(LIBIBERTY) $(LEXLIB) $(LIBINTL)
ranlib_SOURCES = ar.c is-ranlib.c arparse.y arlex.l arsup.c rename.c \
binemul.c emul_$(EMULATION).c $(BULIBS)
ranlib_SOURCES = arparse.y arlex.l is-ranlib.c arsup.c rename.c binemul.c \
emul_$(EMULATION).c $(BULIBS)
ranlib_LDADD = $(BFDLIB) $(LIBIBERTY) $(LEXLIB) $(LIBINTL)
addr2line_SOURCES = addr2line.c $(BULIBS)

4
binutils/ar.c
View File

@@ -67,7 +67,9 @@ static int mri_mode;
/* This flag distinguishes between ar and ranlib:
1 means this is 'ranlib'; 0 means this is 'ar'.
-1 means if we should use argv[0] to decide. */
#ifndef is_ranlib
extern int is_ranlib;
#endif
/* Nonzero means don't warn about creating the archive file if necessary. */
int silent_create = 0;
@@ -735,6 +737,7 @@ main (int argc, char **argv)
expandargv (&argc, &argv);
#ifndef is_ranlib
if (is_ranlib < 0)
{
const char *temp = lbasename (program_name);
@@ -745,6 +748,7 @@ main (int argc, char **argv)
else
is_ranlib = 0;
}
#endif
if (bfd_init () != BFD_INIT_MAGIC)
fatal (_("fatal error: libbfd ABI mismatch"));

5
binutils/is-ranlib.c
View File

@@ -17,6 +17,5 @@
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA. */
/* Linked with ar.o to flag that this program is 'ranlib' (not 'ar'). */
int is_ranlib = 1;
#define is_ranlib 1
#include "ar.c"

5
binutils/not-ranlib.c
View File

@@ -17,6 +17,5 @@
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
02110-1301, USA. */
/* Linked with ar.o to flag that this program is 'ar' (not 'ranlib'). */
int is_ranlib = 0;
#define is_ranlib 0
#include "ar.c"