+2001-07-13 Marc Espie <espie@cvs.openbsd.org>
+
+ * config.gcc (*-*-openbsd*): Add fragment to compile libgcc
+ correctly for shared configurations.
+ * config/t-libgcc-pic: New.
+ * config/{i386,m68k,sparc}/t-openbsd: New.
+ * config/openbsd.h: Include cpu_spec in cpp_spec where needed.
+ Support -shared. Support debugging libraries with -g.
+ * config/i386/openbsd.h: Correct ASM_COMMENT_START. Ensure dwarf2
+ frame information does not emit pointer diffs.
+ * config/sparc/openbsd.h: Ensure dwarf2 frame information does not
+ emit pointer diffs.
+
2001-07-13 Geoffrey Keating <geoffk@redhat.com>
Revert Jan Hubicka's patch of Fri Jul 13 14:46:21 CEST 2001.
;;
*-*-openbsd*)
tm_file=${cpu_type}/openbsd.h
- tmake_file="t-libc-ok t-openbsd"
+ tmake_file="t-libc-ok t-openbsd t-libgcc-pic"
xm_defines=POSIX
if test x$enable_threads = xyes; then
thread_file='posix'
use_collect2=yes
;;
i[34567]86-*-openbsd*)
+ # needed to unconfuse gdb
+ tmake_file="t-libc-ok t-openbsd i386/t-openbsd"
# we need collect2 until our bug is fixed...
use_collect2=yes
;;
use_collect2=yes
;;
m68k*-*-openbsd*)
+ # needed to unconfuse gdb
+ tmake_file="t-libc-ok t-openbsd m68k/t-openbsd"
float_format=m68k
# we need collect2 until our bug is fixed...
use_collect2=yes
use_collect2=yes
;;
sparc-*-openbsd*)
+ # needed to unconfuse gdb
+ tmake_file="t-libc-ok t-openbsd sparc/t-openbsd"
# we need collect2 until our bug is fixed...
use_collect2=yes
;;
configuration files... */
#define DWARF2_UNWIND_INFO 0
+#undef ASM_PREFERRED_EH_DATA_FORMAT
+
/* Assembler format: alignment output. */
/* A C statement to output to the stdio stream FILE an assembler
#endif
/* Note that we pick up ASM_OUTPUT_MI_THUNK from unix.h. */
+
+#undef ASM_COMMENT_START
+#define ASM_COMMENT_START ";#"
+
--- /dev/null
+# gdb gets confused if pic code is linked with non pic
+# We cope by building variants of libgcc.
+MULTILIB_OPTIONS = fpic
+MULTILIB_MATCHES=fpic=fPIC
+LIBGCC = stmp-multilib
+INSTALL_LIBGCC = install-multilib
--- /dev/null
+# gdb gets confused if pic code is linked with non pic
+# We cope by building all variants of libgcc.
+MULTILIB_OPTIONS = fpic/fPIC
+LIBGCC = stmp-multilib
+INSTALL_LIBGCC = install-multilib
since all code must be compiled with -pthread to work.
This two-stage defines makes it easy to pick that for targets that
have subspecs. */
+#ifdef CPP_CPU_SPEC
+#define OBSD_CPP_SPEC "%(cpp_cpu) %{posix:-D_POSIX_SOURCE} %{pthread:-D_POSIX_THREADS}"
+#else
#define OBSD_CPP_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_POSIX_THREADS}"
+#endif
/* LIB_SPEC appropriate for OpenBSD. Select the appropriate libc,
depending on profiling and threads. Basically,
-lc(_r)?(_p)?, select _r for threads, and _p for p or pg. */
-#define OBSD_LIB_SPEC "-lc%{pthread:_r}%{p:_p}%{!p:%{pg:_p}}"
+#define OBSD_LIB_SPEC "%{!shared:-lc%{pthread:_r}%{p:_p}%{!p:%{pg:_p}}}"
#ifndef OBSD_HAS_CORRECT_SPECS
pic code. */
#undef ASM_SPEC
#define ASM_SPEC "%{fpic:-k} %{fPIC:-k -K} %|"
+
#else
/* Since we use gas, stdin -> - is a good idea, but we don't want to
override native specs just for that. */
#undef LINK_SPEC
#ifdef OBSD_NO_DYNAMIC_LIBRARIES
#define LINK_SPEC \
- "%{!nostdlib:%{!r*:%{!e*:-e start}}} -dc -dp %{assert*}"
+ "%{g:%{!nostdlib:-L/usr/lib/debug}} %{!nostdlib:%{!r*:%{!e*:-e start}}} -dc -dp %{assert*}"
#else
#define LINK_SPEC \
- "%{!shared:%{!nostdlib:%{!r*:%{!e*:-e start}}}} %{shared:-Bshareable -x} -dc -dp %{R*} %{static:-Bstatic} %{assert*}"
+ "%{g:%{!nostdlib:-L/usr/lib/debug}} %{!shared:%{!nostdlib:%{!r*:%{!e*:-e start}}}} %{shared:-Bshareable -x} -dc -dp %{R*} %{static:-Bstatic} %{assert*}"
#endif
#undef LIB_SPEC
configuration files... */
#define DWARF2_UNWIND_INFO 0
-/* Default sparc.h does already define ASM_OUTPUT_MI_THUNK */
+#undef ASM_PREFERRED_EH_DATA_FORMAT
+/* Default sparc.h does already define ASM_OUTPUT_MI_THUNK */
--- /dev/null
+# The native linker doesn't handle linking -fpic code with -fPIC code. Ugh.
+# We cope by building both variants of libgcc.
+MULTILIB_OPTIONS = fpic/fPIC
+LIBGCC = stmp-multilib
+INSTALL_LIBGCC = install-multilib
--- /dev/null
+# Compile libgcc2.a with pic.
+TARGET_LIBGCC2_CFLAGS = -fPIC