#define EH_RETURN_DATA_REGNO(N) ((N) < 4 ? (N) + 24 : INVALID_REGNUM)
#define EH_RETURN_STACKADJ_RTX gen_rtx_REG (Pmode, 1) /* %g1 */
#define EH_RETURN_HANDLER_RTX gen_rtx_REG (Pmode, 31) /* %i7 */
+
+/* Select a format to encode pointers in exception handling data. CODE
+ is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is
+ true if the symbol may be affected by dynamic relocations.
+
+ If assembler and linker properly support .uaword %r_disp32(foo),
+ then use PC relative 32-bit relocations instead of absolute relocs
+ for shared libraries. On sparc64, use pc relative 32-bit relocs even
+ for binaries, to save memory. */
+#ifdef HAVE_AS_SPARC_UA_PCREL
+#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \
+ (flag_pic \
+ ? (GLOBAL ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel | DW_EH_PE_sdata4\
+ : ((TARGET_ARCH64 && ! GLOBAL) \
+ ? (DW_EH_PE_pcrel | DW_EH_PE_sdata4) \
+ : DW_EH_PE_absptr))
+
+/* Emit a PC-relative relocation. */
+#define ASM_OUTPUT_DWARF_PCREL(FILE, SIZE, LABEL) \
+ do { \
+ fputs (integer_asm_op (SIZE, FALSE), FILE); \
+ fprintf (FILE, "%%r_disp%d(", SIZE * 8); \
+ assemble_name (FILE, LABEL); \
+ fputc (')', FILE); \
+ } while (0)
+#endif
\f
/* Addressing modes, and classification of registers for them. */
fi
+ echo $ac_n "checking assembler and linker support unaligned pc related relocs""... $ac_c" 1>&6
+echo "configure:7413: checking assembler and linker support unaligned pc related relocs" >&5
+if eval "test \"`echo '$''{'gcc_cv_as_sparc_ua_pcrel'+set}'`\" = set"; then
+ echo $ac_n "(cached) $ac_c" 1>&6
+else
+
+ gcc_cv_as_sparc_ua_pcrel=unknown
+ if test x$gcc_cv_as != x -a x$gcc_cv_ld != x; then
+ gcc_cv_as_sparc_ua_pcrel=no
+ echo ".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo)" > conftest.s
+ if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1; then
+ if $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
+ gcc_cv_as_sparc_ua_pcrel=yes
+ fi
+ fi
+ rm -f conftest.s conftest.o conftest
+ fi
+
+fi
+
+echo "$ac_t""$gcc_cv_as_sparc_ua_pcrel" 1>&6
+ if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
+ cat >> confdefs.h <<\EOF
+#define HAVE_AS_SPARC_UA_PCREL 1
+EOF
+
+ fi
+
case "$tm_file" in
*64*)
echo $ac_n "checking for 64 bit support in assembler ($gcc_cv_as)""... $ac_c" 1>&6
-echo "configure:7415: checking for 64 bit support in assembler ($gcc_cv_as)" >&5
+echo "configure:7442: checking for 64 bit support in assembler ($gcc_cv_as)" >&5
if eval "test \"`echo '$''{'gcc_cv_as_flags64'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
if test "x$gcc_cv_as_flags64" != xno; then
echo $ac_n "checking for assembler offsetable %lo() support""... $ac_c" 1>&6
-echo "configure:7460: checking for assembler offsetable %lo() support" >&5
+echo "configure:7487: checking for assembler offsetable %lo() support" >&5
if eval "test \"`echo '$''{'gcc_cv_as_offsetable_lo10'+set}'`\" = set"; then
echo $ac_n "(cached) $ac_c" 1>&6
else
i[34567]86-*-* | x86_64-*-*)
echo $ac_n "checking assembler instructions""... $ac_c" 1>&6
-echo "configure:7500: checking assembler instructions" >&5
+echo "configure:7527: checking assembler instructions" >&5
gcc_cv_as_instructions=
if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then
echo "$ac_t""$gcc_cv_as_instructions" 1>&6
echo $ac_n "checking assembler GOTOFF in data directives""... $ac_c" 1>&6
-echo "configure:7527: checking assembler GOTOFF in data directives" >&5
+echo "configure:7554: checking assembler GOTOFF in data directives" >&5
gcc_cv_as_gotoff_in_data=no
if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
then
esac
echo $ac_n "checking assembler dwarf2 debug_line support""... $ac_c" 1>&6
-echo "configure:7557: checking assembler dwarf2 debug_line support" >&5
+echo "configure:7584: checking assembler dwarf2 debug_line support" >&5
gcc_cv_as_dwarf2_debug_line=no
# ??? Not all targets support dwarf2 debug_line, even within a version
# of gas. Moreover, we need to emit a valid instruction to trigger any
echo "$ac_t""$gcc_cv_as_dwarf2_debug_line" 1>&6
echo $ac_n "checking assembler --gdwarf2 support""... $ac_c" 1>&6
-echo "configure:7613: checking assembler --gdwarf2 support" >&5
+echo "configure:7640: checking assembler --gdwarf2 support" >&5
gcc_cv_as_gdwarf2_flag=no
if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
then
echo "$ac_t""$gcc_cv_as_gdwarf2_flag" 1>&6
echo $ac_n "checking assembler --gstabs support""... $ac_c" 1>&6
-echo "configure:7642: checking assembler --gstabs support" >&5
+echo "configure:7669: checking assembler --gstabs support" >&5
gcc_cv_as_gstabs_flag=no
if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
then
echo "$ac_t""$gcc_cv_as_gstabs_flag" 1>&6
echo $ac_n "checking linker PT_GNU_EH_FRAME support""... $ac_c" 1>&6
-echo "configure:7670: checking linker PT_GNU_EH_FRAME support" >&5
+echo "configure:7697: checking linker PT_GNU_EH_FRAME support" >&5
gcc_cv_ld_eh_frame_hdr=no
if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
if test "$gcc_cv_gld_major_version" -eq 2 -a "$gcc_cv_gld_minor_version" -ge 12 -o "$gcc_cv_gld_major_version" -gt 2 && grep 'EMUL = elf' ../ld/Makefile > /dev/null; then
echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
-echo "configure:7833: checking whether to enable maintainer-specific portions of Makefiles" >&5
+echo "configure:7860: checking whether to enable maintainer-specific portions of Makefiles" >&5
# Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
if test "${enable_maintainer_mode+set}" = set; then
enableval="$enable_maintainer_mode"
[Define if your assembler supports -relax option.])
fi
+ AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
+ gcc_cv_as_sparc_ua_pcrel, [
+ gcc_cv_as_sparc_ua_pcrel=unknown
+ if test x$gcc_cv_as != x -a x$gcc_cv_ld != x; then
+ gcc_cv_as_sparc_ua_pcrel=no
+ echo ".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo)" > conftest.s
+ if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1; then
+ if $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
+ gcc_cv_as_sparc_ua_pcrel=yes
+ fi
+ fi
+ rm -f conftest.s conftest.o conftest
+ fi
+ ])
+ if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
+ AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
+ [Define if your assembler and linker support unaligned PC relative relocs.])
+ fi
+
case "$tm_file" in
*64*)
AC_CACHE_CHECK([for 64 bit support in assembler ($gcc_cv_as)],