sparc.h (ASM_PREFERRED_EH_DATA_FORMAT, [...]): Define.
* config/sparc/sparc.h (ASM_PREFERRED_EH_DATA_FORMAT, ASM_OUTPUT_DWARF_PCREL): Define. * config/sparc/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define. * configure.in (HAVE_AS_SPARC_UA_PCREL): Check whether as supports .uaword %r_disp32() and linker handles it correctly. * configure, config.in: Rebuilt. From-SVN: r48344
This commit is contained in:
Jakub Jelinek
Jakub Jelinek
parent
ad47f1e56e
commit
17e9e88c2e
@ -1,3 +1,12 @@
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2001-12-28 Jakub Jelinek <jakub@redhat.com>
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* config/sparc/sparc.h (ASM_PREFERRED_EH_DATA_FORMAT,
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ASM_OUTPUT_DWARF_PCREL): Define.
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* config/sparc/sol2.h (ASM_PREFERRED_EH_DATA_FORMAT): Define.
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* configure.in (HAVE_AS_SPARC_UA_PCREL): Check whether as supports
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.uaword %r_disp32() and linker handles it correctly.
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* configure, config.in: Rebuilt.
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2001-12-28 Jakub Jelinek <jakub@redhat.com>
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* c-typeck.c (store_init_value): If initializing object with array
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@ -535,6 +535,9 @@
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/* Define if your assembler supports -relax option. */
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#undef HAVE_AS_RELAX_OPTION
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/* Define if your assembler and linker support unaligned PC relative relocs. */
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#undef HAVE_AS_SPARC_UA_PCREL
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/* Define if the assembler supports 64bit sparc. */
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#undef AS_SPARC64_FLAG
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@ -184,6 +184,17 @@ Boston, MA 02111-1307, USA. */
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|| (CHAR) == 'h' \
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|| (CHAR) == 'x' \
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|| (CHAR) == 'z')
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/* Select a format to encode pointers in exception handling data. CODE
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is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is
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true if the symbol may be affected by dynamic relocations.
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Some Solaris dynamic linkers don't handle unaligned section relative
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relocs properly, so force them to be aligned. */
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#ifndef HAVE_AS_SPARC_UA_PCREL
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#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \
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((flag_pic || GLOBAL) ? DW_EH_PE_aligned : DW_EH_PE_absptr)
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#endif
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/* ??? This does not work in SunOS 4.x, so it is not enabled in sparc.h.
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Instead, it is enabled here, because it does work under Solaris. */
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@ -1969,6 +1969,32 @@ do { \
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#define EH_RETURN_DATA_REGNO(N) ((N) < 4 ? (N) + 24 : INVALID_REGNUM)
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#define EH_RETURN_STACKADJ_RTX gen_rtx_REG (Pmode, 1) /* %g1 */
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#define EH_RETURN_HANDLER_RTX gen_rtx_REG (Pmode, 31) /* %i7 */
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/* Select a format to encode pointers in exception handling data. CODE
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is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is
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true if the symbol may be affected by dynamic relocations.
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If assembler and linker properly support .uaword %r_disp32(foo),
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then use PC relative 32-bit relocations instead of absolute relocs
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for shared libraries. On sparc64, use pc relative 32-bit relocs even
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for binaries, to save memory. */
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#ifdef HAVE_AS_SPARC_UA_PCREL
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#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \
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(flag_pic \
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? (GLOBAL ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel | DW_EH_PE_sdata4\
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: ((TARGET_ARCH64 && ! GLOBAL) \
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? (DW_EH_PE_pcrel | DW_EH_PE_sdata4) \
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: DW_EH_PE_absptr))
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/* Emit a PC-relative relocation. */
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#define ASM_OUTPUT_DWARF_PCREL(FILE, SIZE, LABEL) \
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do { \
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fputs (integer_asm_op (SIZE, FALSE), FILE); \
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fprintf (FILE, "%%r_disp%d(", SIZE * 8); \
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assemble_name (FILE, LABEL); \
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fputc (')', FILE); \
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} while (0)
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#endif
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/* Addressing modes, and classification of registers for them. */
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46
gcc/configure
vendored
46
gcc/configure
vendored
@ -7408,10 +7408,38 @@ EOF
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fi
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echo $ac_n "checking assembler and linker support unaligned pc related relocs""... $ac_c" 1>&6
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echo "configure:7413: checking assembler and linker support unaligned pc related relocs" >&5
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if eval "test \"`echo '$''{'gcc_cv_as_sparc_ua_pcrel'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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gcc_cv_as_sparc_ua_pcrel=unknown
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if test x$gcc_cv_as != x -a x$gcc_cv_ld != x; then
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gcc_cv_as_sparc_ua_pcrel=no
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echo ".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo)" > conftest.s
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if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1; then
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if $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
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gcc_cv_as_sparc_ua_pcrel=yes
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fi
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fi
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rm -f conftest.s conftest.o conftest
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fi
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fi
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echo "$ac_t""$gcc_cv_as_sparc_ua_pcrel" 1>&6
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if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
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cat >> confdefs.h <<\EOF
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#define HAVE_AS_SPARC_UA_PCREL 1
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EOF
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fi
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case "$tm_file" in
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*64*)
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echo $ac_n "checking for 64 bit support in assembler ($gcc_cv_as)""... $ac_c" 1>&6
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echo "configure:7415: checking for 64 bit support in assembler ($gcc_cv_as)" >&5
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echo "configure:7442: checking for 64 bit support in assembler ($gcc_cv_as)" >&5
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if eval "test \"`echo '$''{'gcc_cv_as_flags64'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -7456,7 +7484,7 @@ EOF
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if test "x$gcc_cv_as_flags64" != xno; then
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echo $ac_n "checking for assembler offsetable %lo() support""... $ac_c" 1>&6
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echo "configure:7460: checking for assembler offsetable %lo() support" >&5
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echo "configure:7487: checking for assembler offsetable %lo() support" >&5
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if eval "test \"`echo '$''{'gcc_cv_as_offsetable_lo10'+set}'`\" = set"; then
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echo $ac_n "(cached) $ac_c" 1>&6
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else
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@ -7496,7 +7524,7 @@ EOF
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i[34567]86-*-* | x86_64-*-*)
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echo $ac_n "checking assembler instructions""... $ac_c" 1>&6
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echo "configure:7500: checking assembler instructions" >&5
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echo "configure:7527: checking assembler instructions" >&5
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gcc_cv_as_instructions=
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if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x; then
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if test "$gcc_cv_gas_major_version" -eq 2 -a "$gcc_cv_gas_minor_version" -ge 9 -o "$gcc_cv_gas_major_version" -gt 2; then
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@ -7523,7 +7551,7 @@ EOF
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echo "$ac_t""$gcc_cv_as_instructions" 1>&6
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echo $ac_n "checking assembler GOTOFF in data directives""... $ac_c" 1>&6
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echo "configure:7527: checking assembler GOTOFF in data directives" >&5
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echo "configure:7554: checking assembler GOTOFF in data directives" >&5
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gcc_cv_as_gotoff_in_data=no
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if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x
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then
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@ -7553,7 +7581,7 @@ EOF
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esac
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echo $ac_n "checking assembler dwarf2 debug_line support""... $ac_c" 1>&6
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echo "configure:7557: checking assembler dwarf2 debug_line support" >&5
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echo "configure:7584: checking assembler dwarf2 debug_line support" >&5
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gcc_cv_as_dwarf2_debug_line=no
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# ??? Not all targets support dwarf2 debug_line, even within a version
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# of gas. Moreover, we need to emit a valid instruction to trigger any
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@ -7609,7 +7637,7 @@ fi
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echo "$ac_t""$gcc_cv_as_dwarf2_debug_line" 1>&6
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echo $ac_n "checking assembler --gdwarf2 support""... $ac_c" 1>&6
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echo "configure:7613: checking assembler --gdwarf2 support" >&5
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echo "configure:7640: checking assembler --gdwarf2 support" >&5
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gcc_cv_as_gdwarf2_flag=no
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if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
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then
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@ -7638,7 +7666,7 @@ fi
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echo "$ac_t""$gcc_cv_as_gdwarf2_flag" 1>&6
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echo $ac_n "checking assembler --gstabs support""... $ac_c" 1>&6
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echo "configure:7642: checking assembler --gstabs support" >&5
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echo "configure:7669: checking assembler --gstabs support" >&5
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gcc_cv_as_gstabs_flag=no
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if test x$gcc_cv_gas_major_version != x -a x$gcc_cv_gas_minor_version != x;
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then
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@ -7666,7 +7694,7 @@ fi
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echo "$ac_t""$gcc_cv_as_gstabs_flag" 1>&6
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echo $ac_n "checking linker PT_GNU_EH_FRAME support""... $ac_c" 1>&6
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echo "configure:7670: checking linker PT_GNU_EH_FRAME support" >&5
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echo "configure:7697: checking linker PT_GNU_EH_FRAME support" >&5
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gcc_cv_ld_eh_frame_hdr=no
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if test x$gcc_cv_gld_major_version != x -a x$gcc_cv_gld_minor_version != x; then
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if test "$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
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@ -7829,7 +7857,7 @@ fi
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echo $ac_n "checking whether to enable maintainer-specific portions of Makefiles""... $ac_c" 1>&6
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echo "configure:7833: checking whether to enable maintainer-specific portions of Makefiles" >&5
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echo "configure:7860: checking whether to enable maintainer-specific portions of Makefiles" >&5
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# Check whether --enable-maintainer-mode or --disable-maintainer-mode was given.
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if test "${enable_maintainer_mode+set}" = set; then
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enableval="$enable_maintainer_mode"
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@ -1706,6 +1706,25 @@ EOF
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[Define if your assembler supports -relax option.])
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fi
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AC_CACHE_CHECK([assembler and linker support unaligned pc related relocs],
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gcc_cv_as_sparc_ua_pcrel, [
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gcc_cv_as_sparc_ua_pcrel=unknown
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if test x$gcc_cv_as != x -a x$gcc_cv_ld != x; then
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gcc_cv_as_sparc_ua_pcrel=no
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echo ".text; foo: nop; .data; .align 4; .byte 0; .uaword %r_disp32(foo)" > conftest.s
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if $gcc_cv_as -K PIC -o conftest.o conftest.s > /dev/null 2>&1; then
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if $gcc_cv_ld -o conftest conftest.o -G > /dev/null 2>&1; then
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gcc_cv_as_sparc_ua_pcrel=yes
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fi
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fi
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rm -f conftest.s conftest.o conftest
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fi
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])
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if test "x$gcc_cv_as_sparc_ua_pcrel" = xyes; then
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AC_DEFINE(HAVE_AS_SPARC_UA_PCREL, 1,
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[Define if your assembler and linker support unaligned PC relative relocs.])
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fi
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case "$tm_file" in
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*64*)
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AC_CACHE_CHECK([for 64 bit support in assembler ($gcc_cv_as)],
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