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GNU C Library master sources branch, hjl/abi, created. glibc-2.15-1079-gf456e08
- From: hjl at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 30 May 2012 15:34:32 -0000
- Subject: GNU C Library master sources branch, hjl/abi, created. glibc-2.15-1079-gf456e08
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The branch, hjl/abi has been created
at f456e08c230cb5c2d375baedac0af4a89374560b (commit)
- Log -----------------------------------------------------------------
http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=f456e08c230cb5c2d375baedac0af4a89374560b
commit f456e08c230cb5c2d375baedac0af4a89374560b
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sat May 26 12:56:19 2012 -0700
Mention BZ 14075 and 14112
diff --git a/NEWS b/NEWS
index f561ac3..02ddc64 100644
--- a/NEWS
+++ b/NEWS
@@ -27,8 +27,8 @@ Version 2.16
13916, 13917, 13918, 13919, 13920, 13921, 13922, 13923, 13924, 13926,
13927, 13928, 13938, 13941, 13942, 13954, 13955, 13956, 13963, 13967,
13968, 13970, 13973, 13979, 13983, 13986, 14012, 14027, 14033, 14034,
- 14036, 14040, 14043, 14044, 14049, 14053, 14055, 14059, 14064, 14080,
- 14083, 14103, 14104, 14109, 14122, 14123, 14153
+ 14036, 14040, 14043, 14044, 14049, 14053, 14055, 14059, 14064, 14075,
+ 14080, 14083, 14103, 14104, 14109, 14112, 14122, 14123, 14153
* ISO C11 support:
http://sources.redhat.com/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=0ab0291b84b45f2389a019af2c88bf5169d14f64
commit 0ab0291b84b45f2389a019af2c88bf5169d14f64
Author: H.J. Lu <hjl.tools@gmail.com>
Date: Sat May 26 10:46:59 2012 -0700
Convert WORDSIZE[32|64]/ld entries to abi-variants
diff --git a/ChangeLog b/ChangeLog
index cf0d9e7..66249fc 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,49 @@
+2012-05-30 H.J. Lu <hongjiu.lu@intel.com>
+
+ [BZ #14112]
+ * Makeconfig (default-abi): New macro.
+ (abi-includes): Likewise.
+ ($(common-objpfx)soversions.mk): Remove WORDSIZE check. Use
+ $(abi-$(default-abi)-lib-soname) for soname if defined.
+ ($(common-objpfx)gnu/lib-names.stmp): Generate from
+ abi-variants.
+ * Makefile (installed-stubs): Likewise.
+ * include/stubs-biarch.h: Removed.
+ * scripts/lib-names.awk: Only handle one library at a time.
+ * scripts/soversions.awk: Remove WORDSIZE support.
+ * shlib-versions: Remove WORDSIZE and i.86/s390x/powerpc64 ld
+ entries.
+ * sysdeps/unix/sysv/linux/Makefile (syscall-list-variants):
+ Removed.
+ (syscall-list-default-condition): Likewise.
+ (syscall-list-default-condition): Likewise.
+ (syscall-list-includes): Likewise.
+ ($(objpfx)bits/syscall%h $(objpfx)bits/syscall%d): Replace
+ syscall-list-* with abi-*. Handle undefined abi-variants.
+ * sysdeps/unix/sysv/linux/i386/Makefile (default-abi): New macro.
+ * sysdeps/unix/sysv/linux/i386/Implies: New file.
+ * sysdeps/unix/sysv/linux/x86/Makefile: Likewise.
+ * sysdeps/unix/sysv/linux/x86_64/64/Makefile: Likewise.
+ * sysdeps/unix/sysv/linux/x86_64/Implies: Add unix/sysv/linux/x86.
+ * sysdeps/unix/sysv/linux/x86_64/Makefile (syscall-list-variants):
+ Removed.
+ (syscall-list-32-options): Likewise.
+ (syscall-list-32-condition): Likewise.
+ (syscall-list-64-options): Likewise.
+ (syscall-list-64-condition): Likewise.
+ * sysdeps/unix/sysv/linux/x86_64/x32/Makefile (default-abi): New
+ macro.
+ * sysdeps/unix/sysv/linux/powerpc/Makefile (syscall-list-*):
+ Renamed to ...
+ (abi-*): This.
+ (abi-64-ld-soname): New macro.
+ * sysdeps/unix/sysv/linux/s390/Makefile: Likewise.
+ * sysdeps/unix/sysv/linux/sparc/Makefile (syscall-list-*):
+ Renamed to ...
+ (abi-*): This.
+ * sysdeps/x86_64/64/shlib-versions: Remove ld entry.
+ * sysdeps/x86_64/x32/shlib-versions: Likewise.
+
2012-05-30 Joseph Myers <joseph@codesourcery.com>
* sysdeps/unix/sysv/linux/kernel-features.h
diff --git a/Makeconfig b/Makeconfig
index b4b2963..df7545f 100644
--- a/Makeconfig
+++ b/Makeconfig
@@ -791,6 +791,24 @@ ifeq (yes, $(build-shared))
sed '/^[ ]*#/d;/^[ ]*$$/d' $< > $@T
mv -f $@T $@
+# To generate a header to support more than one ABI for different
+# architecture variants, the CPU/Makefile defines abi-variants to be a
+# list of names for those variants (e.g. 32 64), and, for each variant,
+# defines abi-$(variant)-condition to be the condition for those options
+# to use in a C #if condition. abi-includes may be defined to a list of
+# headers to include in the generated header, if the default does not
+# suffice.
+
+ifdef abi-variants
+ifndef default-abi
+default-abi = $(firstword $(abi-variants))
+endif
+endif
+
+ifndef abi-includes
+abi-includes := bits/wordsize.h
+endif
+
# Process the shlib-versions file, which tells us what shared library
# version numbers to use when we install shared objects on this system.
# We need to wait until $(subdirs) is complete.
@@ -816,24 +834,17 @@ $(common-objpfx)soversions.i: $(..)scripts/soversions.awk \
-f $^ > $@T
mv -f $@T $@
$(common-objpfx)soversions.mk: $(common-objpfx)soversions.i $(..)Makeconfig
- (seen_DEFAULT=0; seen_WORDSIZE32=0; seen_WORDSIZE64=0; \
- while read which lib number setname; do \
+ (while read which lib number setname; do \
eval seen_$$which=1; \
test x"$$which" != xABI || echo abi-name = "$$lib"; \
test x"$$which" = xDEFAULT || continue; \
case $$number in \
[0-9]*) echo "$$lib.so-version=.$$number"; \
echo "all-sonames+=$$lib=$$lib.so\$$($$lib.so-version)";;\
- *) echo "$$lib.so-version=$$number"; \
+ *) echo "$$lib.so-version=\$$(if \$$(abi-$(default-abi)-$$lib-soname),\$$(abi-$(default-abi)-$$lib-soname),$$number)"; \
echo "all-sonames+=$$lib=\$$($$lib.so-version)";;\
esac; \
done; \
- case "$$seen_DEFAULT$$seen_WORDSIZE32$$seen_WORDSIZE64" in \
- 100) echo biarch = no;; \
- 101) echo biarch = 32;; \
- ?1?) echo biarch = 64;; \
- *) echo >&2 BUG; exit 2;; \
- esac; \
echo soversions.mk-done = t;) < $< > $@T; exit 0
mv -f $@T $@
endif
@@ -850,8 +861,31 @@ $(common-objpfx)gnu/lib-names.h: $(common-objpfx)gnu/lib-names.stmp; @:
$(common-objpfx)gnu/lib-names.stmp: $(..)scripts/lib-names.awk \
$(common-objpfx)soversions.i
$(make-target-directory)
- @rm -f ${@:stmp=T} $@
- LC_ALL=C $(AWK) -f $^ > ${@:stmp=T}
+ { \
+ echo '/* This file is automatically generated.';\
+ echo ' It defines macros to allow user program to find the shared'; \
+ echo ' library files which come as part of GNU libc. */'; \
+ echo '#ifndef __GNU_LIB_NAMES_H'; \
+ echo '#define __GNU_LIB_NAMES_H 1'; \
+ echo ''; \
+ $(if $(abi-includes), \
+ $(foreach h,$(abi-includes), echo '#include <$(h)>';) \
+ echo '';) \
+ $(if $(abi-variants), \
+ $(foreach v,$(abi-variants),\
+ $(if $(abi-$(v)-condition),\
+ echo '#if $(abi-$(v)-condition)'; \
+ ($(foreach s,$(all-sonames), \
+ $(if $(abi-$(v)-$(firstword $(subst =, ,$(s)))-soname),\
+ echo $(firstword $(subst =, ,$(s)))=$(abi-$(v)-$(firstword $(subst =, ,$(s)))-soname);, \
+ echo $(s);))) \
+ | LC_ALL=C $(AWK) -v multi=1 -f $(firstword $^) | LC_ALL=C sort;) \
+ $(if $(abi-$(v)-condition),echo '#endif';)), \
+ ($(foreach s,$(all-sonames), echo $(s);)) \
+ | LC_ALL=C $(AWK) -f $(firstword $^) | LC_ALL=C sort;) \
+ echo ''; \
+ echo '#endif /* gnu/lib-names.h */'; \
+ } > ${@:stmp=T}
$(move-if-change) ${@:stmp=T} ${@:stmp=h}
touch $@
endif
diff --git a/Makefile b/Makefile
index c0a0cfb..89588c1 100644
--- a/Makefile
+++ b/Makefile
@@ -170,14 +170,29 @@ others: $(common-objpfx)testrun.sh
subdir-stubs := $(foreach dir,$(subdirs),$(common-objpfx)$(dir)/stubs)
-ifeq ($(biarch),no)
+ifndef abi-variants
installed-stubs = $(inst_includedir)/gnu/stubs.h
else
-installed-stubs = $(inst_includedir)/gnu/stubs-$(biarch).h
+installed-stubs = $(inst_includedir)/gnu/stubs-$(default-abi).h
-$(inst_includedir)/gnu/stubs.h: include/stubs-biarch.h $(+force)
+$(inst_includedir)/gnu/stubs.h: $(common-objpfx)soversions.mk $(+force)
$(make-target-directory)
- $(INSTALL_DATA) $< $@
+ { \
+ echo '/* This file is automatically generated.';\
+ echo " This file selects the right generated file of \`__stub_FUNCTION' macros";\
+ echo ' based on the architecture being compiled for. */'; \
+ echo ''; \
+ $(foreach h,$(abi-includes), echo '#include <$(h)>';) \
+ echo ''; \
+ $(foreach v,$(abi-variants),\
+ $(if $(abi-$(v)-condition),\
+ echo '#if $(abi-$(v)-condition)'; \
+ echo '# include <gnu/stubs-$(v).h>'); \
+ $(if $(abi-$(v)-condition),echo '#endif';) \
+ rm -f $(@:.d=.h).new$(v); \
+ ) \
+ } > $(@:.d=.h).new
+ mv -f $(@:.d=.h).new $(@:.d=.h)
install-others-nosubdir: $(installed-stubs)
endif
diff --git a/include/stubs-biarch.h b/include/stubs-biarch.h
deleted file mode 100644
index fc086bd..0000000
--- a/include/stubs-biarch.h
+++ /dev/null
@@ -1,12 +0,0 @@
-/* This file selects the right generated file of `__stub_FUNCTION' macros
- based on the architecture being compiled for. */
-
-#include <bits/wordsize.h>
-
-#if __WORDSIZE == 32
-# include <gnu/stubs-32.h>
-#elif __WORDSIZE == 64
-# include <gnu/stubs-64.h>
-#else
-# error "unexpected value for __WORDSIZE macro"
-#endif
diff --git a/scripts/lib-names.awk b/scripts/lib-names.awk
index 77e6668..ccb7b7f 100644
--- a/scripts/lib-names.awk
+++ b/scripts/lib-names.awk
@@ -1,18 +1,17 @@
# awk script for soversions.i -> gnu/lib-names.h; see Makeconfig.
-$1 != "DEFAULT" { multi = 1 }
-
#
{
- lib = $2;
- version = $3;
- if ($3 !~ /^[0-9]/) {
- soname = $3;
- extra = $3;
+ split($1, fields, "=")
+ lib = fields[1];
+ soname = version = fields[2];
+ sub(/^.*=/, "", soname);
+ sub(/^lib.*\.so\./, "", version);
+ if ($soname !~ /^lib/) {
+ extra = soname;
sub(/\.so.*$/, "", extra);
}
else {
- soname = lib ".so." $3;
extra = "";
}
soname = "\"" soname "\"";
@@ -26,41 +25,9 @@ $1 != "DEFAULT" { multi = 1 }
}
END {
- print "/* This file is automatically generated.";
- print " It defines macros to allow user program to find the shared";
- print " library files which come as part of GNU libc. */";
- print "#ifndef __GNU_LIB_NAMES_H";
- print "#define __GNU_LIB_NAMES_H 1";
- print "";
-
- pfx = multi ? "# define " : "#define ";
for (elt in macros) {
split(elt, x);
- line = sprintf("%-40s%s", pfx x[2], macros[elt]);
- if (x[1] in lines)
- lines[x[1]] = lines[x[1]] "\n" line;
- else
- lines[x[1]] = line;
- }
-
- if (multi) {
- # Print these in a fixed order so the result is identical
- # on both sides of the coin.
- if (!("WORDSIZE32" in lines))
- lines["WORDSIZE32"] = lines["DEFAULT"];
- if (!("WORDSIZE64" in lines))
- lines["WORDSIZE64"] = lines["DEFAULT"];
- print "#include <bits/wordsize.h>\n";
- print "#if __WORDSIZE == 32";
- cmd = "LC_ALL=C sort"; print lines["WORDSIZE32"] | cmd; close(cmd);
- print "#else"
- cmd = "LC_ALL=C sort"; print lines["WORDSIZE64"] | cmd; close(cmd);
- print "#endif";
+ pfx = multi ? "# define " : "#define ";
+ printf("%-40s%s\n", pfx x[2], macros[elt]);
}
- else {
- cmd = "LC_ALL=C sort"; print lines["DEFAULT"] | cmd; close(cmd);
- }
-
- print "";
- print "#endif /* gnu/lib-names.h */"
}
diff --git a/scripts/soversions.awk b/scripts/soversions.awk
index 55577cc..dc8afdc 100644
--- a/scripts/soversions.awk
+++ b/scripts/soversions.awk
@@ -7,17 +7,6 @@ BEGIN {
{ thiscf = $1 }
-$2 ~ /WORDSIZE[3264]/ {
- if ((config ~ thiscf) && !othercf) {
- othercf = $3;
- sub(/@CPU@/, cpu, othercf);
- sub(/@VENDOR@/, vendor, othercf);
- sub(/@OS@/, os, othercf);
- configs[othercf] = $2;
- }
- next;
-}
-
$2 == "ABI" {
if ((config ~ thiscf) && !abiname) {
abiname = $3;
diff --git a/shlib-versions b/shlib-versions
index b8ed1e9..9344590 100644
--- a/shlib-versions
+++ b/shlib-versions
@@ -18,11 +18,6 @@
# library has no third column. The defaults must precede the entries they
# apply to.
#
-# An entry with WORDSIZE* in the second column gives an alternate
-# configuration tuple whose macros will be conditionally defined in
-# gnu/lib-names.h; @CPU@, @VENDOR@, @OS@ can be used in the third
-# column to compose the alternate tuple matched against the patterns here.
-
# Configuration DEFAULT Earliest symbol set
# ------------- --------------- ------------------------------
@@ -30,17 +25,6 @@ s390x-.*-linux.* DEFAULT GLIBC_2.2
powerpc64-.*-linux.* DEFAULT GLIBC_2.3
.*-.*-gnu-gnu.* DEFAULT GLIBC_2.2.6
-# Configuration WORDSIZE[32|64] Alternate configuration
-# ------------- ---------- -----------------------
-x86_64-.*-.* WORDSIZE32 i686-@VENDOR@-@OS@
-i.86-.*-.* WORDSIZE64 x86_64-@VENDOR@-@OS@
-s390x-.*-.* WORDSIZE32 s390-@VENDOR@-@OS@
-s390-.*-.* WORDSIZE64 s390x-@VENDOR@-@OS@
-powerpc64-.*-.* WORDSIZE32 powerpc-@VENDOR@-@OS@
-powerpc.*-.*-.* WORDSIZE64 powerpc64-@VENDOR@-@OS@
-sparc64.*-.*-.* WORDSIZE32 sparc-@VENDOR@-@OS@
-sparc.*-.*-.* WORDSIZE64 sparc64-@VENDOR@-@OS@
-
# Configuration ABI Identifier for ABI data files
# ------------- ---------- -----------------------------
sparc64.*-.*-.* ABI sparc64-@OS@
@@ -70,12 +54,9 @@ sparc64.*-.*-linux.* libc=6 GLIBC_2.2
.*-.*-gnu-gnu.* libc=0.3
# The dynamic loader also requires different names.
-i.86-.*-linux.* ld=ld-linux.so.2
sparc64.*-.*-linux.* ld=ld-linux.so.2 GLIBC_2.2
sparc.*-.*-linux.* ld=ld-linux.so.2
sh.*-.*-linux.* ld=ld-linux.so.2 GLIBC_2.2
-s390x-.*-linux.* ld=ld64.so.1 GLIBC_2.2
-powerpc64.*-.*-linux.* ld=ld64.so.1 GLIBC_2.3
# We use the ELF ABI standard name for the default.
.*-.*-.* ld=ld.so.1
diff --git a/sysdeps/unix/sysv/linux/Makefile b/sysdeps/unix/sysv/linux/Makefile
index 70fd137..21b5607 100644
--- a/sysdeps/unix/sysv/linux/Makefile
+++ b/sysdeps/unix/sysv/linux/Makefile
@@ -43,25 +43,14 @@ tests += tst-clone
# Generate the list of SYS_* macros for the system calls (__NR_* macros).
# If there is more than one syscall list for different architecture
-# variants, the CPU/Makefile defines syscall-list-variants to be a
-# list of names for those variants (e.g. 32bit 64bit), and, for each
-# variant, defines syscall-list-$(variant)-options to be compiler
-# options to cause <asm/unistd.h> to define the desired list of
-# syscalls and syscall-list-$(variant)-condition to be the condition
-# for those options to use in a C #if condition.
-# syscall-list-includes may be defined to a list of headers to include
+# variants, the CPU/Makefile defines abi-variants to be a list of names
+# for those variants (e.g. 32 64), and, for each variant, defines
+# abi-$(variant)-options to be compiler options to cause <asm/unistd.h>
+# to define the desired list of syscalls and abi-$(variant)-condition to
+# be the condition for those options to use in a C #if condition.
+# abi-includes may be defined to a list of headers to include
# in the generated header, if the default does not suffice.
-ifndef syscall-list-variants
-syscall-list-variants := default
-syscall-list-default-options :=
-syscall-list-default-condition :=
-endif
-
-ifndef syscall-list-includes
-syscall-list-includes := bits/wordsize.h
-endif
-
$(objpfx)bits/syscall%h $(objpfx)bits/syscall%d: ../sysdeps/unix/sysv/linux/sys/syscall.h
$(make-target-directory)
{ \
@@ -71,31 +60,41 @@ $(objpfx)bits/syscall%h $(objpfx)bits/syscall%d: ../sysdeps/unix/sysv/linux/sys/
echo '# error "Never use <bits/syscall.h> directly; include <sys/syscall.h> instead."'; \
echo '#endif'; \
echo ''; \
- $(foreach h,$(syscall-list-includes), echo '#include <$(h)>';) \
+ $(foreach h,$(abi-includes), echo '#include <$(h)>';) \
echo ''; \
- $(foreach v,$(syscall-list-variants),\
+ $(if $(abi-variants), \
+ $(foreach v,$(abi-variants),\
$(CC) -E -MD -MP -MF $(@:.h=.d)-t$(v) -MT '$(@:.d=.h) $(@:.h=.d)' \
- -x c $(sysincludes) $< $(syscall-list-$(v)-options) \
+ -x c $(sysincludes) $< $(abi-$(v)-options) \
-D_LIBC -dM | \
sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \
LC_ALL=C sort > $(@:.d=.h).new$(v); \
- $(if $(syscall-list-$(v)-condition),\
- echo '#if $(syscall-list-$(v)-condition)';) \
+ $(if $(abi-$(v)-condition),\
+ echo '#if $(abi-$(v)-condition)';) \
cat $(@:.d=.h).new$(v); \
- $(if $(syscall-list-$(v)-condition),echo '#endif';) \
+ $(if $(abi-$(v)-condition),echo '#endif';) \
rm -f $(@:.d=.h).new$(v); \
- ) \
+ ), \
+ $(CC) -E -MD -MP -MF $(@:.h=.d)-t$(v) -MT '$(@:.d=.h) $(@:.h=.d)' \
+ -x c $(sysincludes) $< \
+ -D_LIBC -dM | \
+ sed -n 's@^#define __NR_\([^ ]*\) .*$$@#define SYS_\1 __NR_\1@p' | \
+ LC_ALL=C sort;) \
} > $(@:.d=.h).new
mv -f $(@:.d=.h).new $(@:.d=.h)
+ifdef abi-variants
ifneq (,$(objpfx))
sed $(sed-remove-objpfx) \
- $(foreach v,$(syscall-list-variants),$(@:.h=.d)-t$(v)) > $(@:.h=.d)-t3
+ $(foreach v,$(abi-variants),$(@:.h=.d)-t$(v)) > $(@:.h=.d)-t3
else
- cat $(foreach v,$(syscall-list-variants),$(@:.h=.d)-t$(v)) \
+ cat $(foreach v,$(abi-variants),$(@:.h=.d)-t$(v)) \
> $(@:.h=.d)-t3
endif
- rm -f $(foreach v,$(syscall-list-variants),$(@:.h=.d)-t$(v))
+ rm -f $(foreach v,$(abi-variants),$(@:.h=.d)-t$(v))
mv -f $(@:.h=.d)-t3 $(@:.h=.d)
+else
+ mv -f $(@:.h=.d)-t $(@:.h=.d)
+endif
ifndef no_deps
# Get the generated list of dependencies (probably /usr/include/asm/unistd.h).
diff --git a/sysdeps/unix/sysv/linux/i386/Implies b/sysdeps/unix/sysv/linux/i386/Implies
new file mode 100644
index 0000000..ccc7eaa
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/i386/Implies
@@ -0,0 +1 @@
+unix/sysv/linux/x86
diff --git a/sysdeps/unix/sysv/linux/i386/Makefile b/sysdeps/unix/sysv/linux/i386/Makefile
index fc5a524..f4585d7 100644
--- a/sysdeps/unix/sysv/linux/i386/Makefile
+++ b/sysdeps/unix/sysv/linux/i386/Makefile
@@ -1,3 +1,6 @@
+# The default ABI is 32.
+default-abi := 32
+
ifeq ($(subdir),misc)
sysdep_routines += ioperm iopl vm86 call_pselect6 call_fallocate
sysdep_headers += sys/elf.h sys/perm.h sys/reg.h sys/vm86.h sys/debugreg.h sys/io.h
diff --git a/sysdeps/unix/sysv/linux/powerpc/Makefile b/sysdeps/unix/sysv/linux/powerpc/Makefile
index 55311a4..f6dccd9 100644
--- a/sysdeps/unix/sysv/linux/powerpc/Makefile
+++ b/sysdeps/unix/sysv/linux/powerpc/Makefile
@@ -1,8 +1,9 @@
-syscall-list-variants := 32bit 64bit
-syscall-list-32bit-options := -U__powerpc64__
-syscall-list-32bit-condition := __WORDSIZE == 32
-syscall-list-64bit-options := -D__powerpc64__
-syscall-list-64bit-condition := __WORDSIZE == 64
+abi-variants := 32 64
+abi-32-options := -U__powerpc64__
+abi-32-condition := __WORDSIZE == 32
+abi-64-options := -D__powerpc64__
+abi-64-condition := __WORDSIZE == 64
+abi-64-ld-soname := ld64.so.1
ifeq ($(subdir),rt)
librt-routines += rt-sysdep
diff --git a/sysdeps/unix/sysv/linux/s390/Makefile b/sysdeps/unix/sysv/linux/s390/Makefile
index fb20fb0..45b1922 100644
--- a/sysdeps/unix/sysv/linux/s390/Makefile
+++ b/sysdeps/unix/sysv/linux/s390/Makefile
@@ -1,8 +1,9 @@
-syscall-list-variants := 32bit 64bit
-syscall-list-32bit-options := -U__s390x__
-syscall-list-32bit-condition := __WORDSIZE == 32
-syscall-list-64bit-options := -D__s390x__
-syscall-list-64bit-condition := __WORDSIZE == 64
+abi-variants := 32 64
+abi-32-options := -U__s390x__
+abi-32-condition := __WORDSIZE == 32
+abi-64-options := -D__s390x__
+abi-64-condition := __WORDSIZE == 64
+abi-64-ld-soname := ld64.so.1
ifeq ($(subdir),rt)
librt-routines += rt-sysdep
diff --git a/sysdeps/unix/sysv/linux/sparc/Makefile b/sysdeps/unix/sysv/linux/sparc/Makefile
index d769c48..96b783e 100644
--- a/sysdeps/unix/sysv/linux/sparc/Makefile
+++ b/sysdeps/unix/sysv/linux/sparc/Makefile
@@ -1,8 +1,8 @@
-syscall-list-variants := 32bit 64bit
-syscall-list-32bit-options := -U__sparc_v9__ -U__arch64__
-syscall-list-32bit-condition := __WORDSIZE == 32
-syscall-list-64bit-options := -D__sparc_v9__ -D__arch64__
-syscall-list-64bit-condition := __WORDSIZE == 64
+abi-variants := 32 64
+abi-32-options := -U__sparc_v9__ -U__arch64__
+abi-32-condition := __WORDSIZE == 32
+abi-64-options := -D__sparc_v9__ -D__arch64__
+abi-64-condition := __WORDSIZE == 64
ifeq ($(subdir),rt)
librt-routines += rt-sysdep
diff --git a/sysdeps/unix/sysv/linux/x86/Makefile b/sysdeps/unix/sysv/linux/x86/Makefile
new file mode 100644
index 0000000..cf4a55c
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/x86/Makefile
@@ -0,0 +1,14 @@
+# We don't need any header files.
+abi-includes :=
+
+abi-variants := 32 64 x32
+
+abi-32-options := -D__i386__ -U__x86_64__
+abi-32-condition := !defined __x86_64__
+abi-32-ld-soname := ld-linux.so.2
+abi-64-options := -U__i386__ -D__x86_64__ -U__ILP32__ -D__LP64__
+abi-64-condition := defined __x86_64__ && defined __LP64__
+abi-64-ld-soname := ld-linux-x86-64.so.2
+abi-x32-options := -U__i386__ -D__x86_64__ -D__ILP32__ -U__LP64__
+abi-x32-condition := defined __x86_64__ && defined __ILP32__
+abi-x32-ld-soname := ld-linux-x32.so.2
diff --git a/sysdeps/unix/sysv/linux/x86_64/64/Makefile b/sysdeps/unix/sysv/linux/x86_64/64/Makefile
new file mode 100644
index 0000000..a7b6dc5
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/x86_64/64/Makefile
@@ -0,0 +1,2 @@
+# The default ABI is 64.
+default-abi := 64
diff --git a/sysdeps/unix/sysv/linux/x86_64/Implies b/sysdeps/unix/sysv/linux/x86_64/Implies
index 8d91c80..c7a65c9 100644
--- a/sysdeps/unix/sysv/linux/x86_64/Implies
+++ b/sysdeps/unix/sysv/linux/x86_64/Implies
@@ -1 +1,2 @@
+unix/sysv/linux/x86
unix/sysv/linux/wordsize-64
diff --git a/sysdeps/unix/sysv/linux/x86_64/Makefile b/sysdeps/unix/sysv/linux/x86_64/Makefile
index 59a6b0a..dd4ab59 100644
--- a/sysdeps/unix/sysv/linux/x86_64/Makefile
+++ b/sysdeps/unix/sysv/linux/x86_64/Makefile
@@ -1,9 +1,3 @@
-syscall-list-variants := 32bit 64bit
-syscall-list-32bit-options := -D__i386__ -U__x86_64__
-syscall-list-32bit-condition := __WORDSIZE == 32
-syscall-list-64bit-options := -U__i386__ -D__x86_64__
-syscall-list-64bit-condition := __WORDSIZE == 64
-
ifeq ($(subdir),misc)
sysdep_routines += ioperm iopl
sysdep_headers += sys/perm.h sys/reg.h sys/debugreg.h sys/io.h
diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/Makefile b/sysdeps/unix/sysv/linux/x86_64/x32/Makefile
index aa78238..ecbdefb 100644
--- a/sysdeps/unix/sysv/linux/x86_64/x32/Makefile
+++ b/sysdeps/unix/sysv/linux/x86_64/x32/Makefile
@@ -1,3 +1,6 @@
+# The default ABI is x32.
+default-abi := x32
+
ifeq ($(subdir),misc)
sysdep_routines += arch_prctl
endif
diff --git a/sysdeps/x86_64/64/shlib-versions b/sysdeps/x86_64/64/shlib-versions
index c797487..50dd908 100644
--- a/sysdeps/x86_64/64/shlib-versions
+++ b/sysdeps/x86_64/64/shlib-versions
@@ -1,4 +1,3 @@
# Configuration DEFAULT Earliest symbol set
# ------------- --------------- ------------------------------
x86_64-.*-linux.* DEFAULT GLIBC_2.2.5
-x86_64-.*-linux.* ld=ld-linux-x86-64.so.2 GLIBC_2.2.5
diff --git a/sysdeps/x86_64/x32/shlib-versions b/sysdeps/x86_64/x32/shlib-versions
index d9f63e1..ae3979b 100644
--- a/sysdeps/x86_64/x32/shlib-versions
+++ b/sysdeps/x86_64/x32/shlib-versions
@@ -1,7 +1,6 @@
# Configuration DEFAULT Earliest symbol set
# ------------- --------------- ------------------------------
x86_64-.*-linux.* DEFAULT GLIBC_2.16
-x86_64-.*-linux.* ld=ld-linux-x32.so.2 GLIBC_2.16
# Configuration ABI Identifier for ABI data files
# ------------- ---------- -----------------------------
-----------------------------------------------------------------------
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