configure.ac (gcc_cv_ld_eh_frame_hdr): Only check GNU ld for --eh-frame-hdr.
* configure.ac (gcc_cv_ld_eh_frame_hdr): Only check GNU ld for --eh-frame-hdr. Check for working Sun ld version. (HAVE_LD_EH_FRAME_HDR): Adapt comment. (glibc_header_dir): Set only once. Rename to ... (target_header_dir): ... this. Adapt users. (gcc_cv_target_dl_iterate_frame_hdr): Check on *-*-solaris2*. (TARGET_DL_ITERATE_PHDR): Define if present. * configure: Regenerate. * config.in: Likewise. * config/t-sol2 (LIB2ADDEH, LIB2ADDEHDEP): Define. * crtstuff.c (USE_PT_GNU_EH_FRAME): Define for recent Solaris 11 with linker support and dl_iterate_phdr. * unwind-dw2-fde-glibc.c (USE_PT_GNU_EH_FRAME): Likewise. (_Unwind_IteratePhdrCallback) [PT_SUNW_UNWIND]: Also accept PT_SUNW_UNWIND .eh_frame_hdr sections. [CRT_GET_RFIB_DATA && __i386__ && __sun__ && __svr4__]: Add load_base to data->dbase. [CRT_GET_RFIB_DATA && __x86_64__ && __sun__ && __svr4__]: Handle 64-bit Solaris 10+/x86. * config/sol2-gld.h [TARGET_DL_ITERATE_PHDR && HAVE_LD_EH_FRAME_HDR] (LINK_EH_SPEC): Define. From-SVN: r168204
This commit is contained in:
Rainer Orth
Rainer Orth
parent
1d439e6cd2
commit
6961669f48
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@ -1,3 +1,30 @@
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2010-12-23 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
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* configure.ac (gcc_cv_ld_eh_frame_hdr): Only check GNU ld for
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--eh-frame-hdr.
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Check for working Sun ld version.
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(HAVE_LD_EH_FRAME_HDR): Adapt comment.
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(glibc_header_dir): Set only once.
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Rename to ...
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(target_header_dir): ... this.
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Adapt users.
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(gcc_cv_target_dl_iterate_frame_hdr): Check on *-*-solaris2*.
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(TARGET_DL_ITERATE_PHDR): Define if present.
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* configure: Regenerate.
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* config.in: Likewise.
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* config/t-sol2 (LIB2ADDEH, LIB2ADDEHDEP): Define.
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* crtstuff.c (USE_PT_GNU_EH_FRAME): Define for recent Solaris 11
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with linker support and dl_iterate_phdr.
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* unwind-dw2-fde-glibc.c (USE_PT_GNU_EH_FRAME): Likewise.
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(_Unwind_IteratePhdrCallback) [PT_SUNW_UNWIND]: Also accept
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PT_SUNW_UNWIND .eh_frame_hdr sections.
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[CRT_GET_RFIB_DATA && __i386__ && __sun__ && __svr4__]: Add
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load_base to data->dbase.
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[CRT_GET_RFIB_DATA && __x86_64__ && __sun__ && __svr4__]: Handle
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64-bit Solaris 10+/x86.
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* config/sol2-gld.h [TARGET_DL_ITERATE_PHDR && HAVE_LD_EH_FRAME_HDR]
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(LINK_EH_SPEC): Define.
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2010-12-23 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
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* doc/extend.texi (Function Attributes, Volatiles): Fix typos.
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@ -1161,7 +1161,7 @@
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#endif
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/* Define if your linker supports --eh-frame-hdr option. */
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/* Define if your linker supports .eh_frame_hdr. */
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#undef HAVE_LD_EH_FRAME_HDR
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/* Define if your linker supports garbage collection of sections in presence
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@ -1686,6 +1686,9 @@
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#endif
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/* Define if your target C library provides the `dl_iterate_phdr' function. */
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#undef TARGET_DL_ITERATE_PHDR
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/* Define if your target C library provides stack protector support */
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#ifndef USED_FOR_TARGET
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#undef TARGET_LIBC_PROVIDES_SSP
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@ -29,3 +29,8 @@ along with GCC; see the file COPYING3. If not see
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/* GNU ld needs --export-dynamic to implement -rdynamic. */
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#undef RDYNAMIC_SPEC
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#define RDYNAMIC_SPEC "--export-dynamic"
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/* Solaris 11 build 135+ implements dl_iterate_phdr. */
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#if defined(HAVE_LD_EH_FRAME_HDR) && defined(TARGET_DL_ITERATE_PHDR)
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#define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
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#endif /* HAVE_LD_EH_FRAME && TARGET_DL_ITERATE_PHDR */
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@ -28,3 +28,9 @@ sol2.o: $(srcdir)/config/sol2.c $(CONFIG_H) $(SYSTEM_H) coretypes.h \
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tree.h output.h $(TM_H) $(TM_P_H) $(GGC_H)
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$(COMPILER) -c $(ALL_COMPILERFLAGS) $(ALL_CPPFLAGS) $(INCLUDES) \
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$(srcdir)/config/sol2.c
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# Use unwind-dw2-fde-glibc.c. Unless linker support and dl_iterate_phdr
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# are present, automatically falls back to unwind-dw2-fde.c.
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LIB2ADDEH = $(srcdir)/unwind-dw2.c $(srcdir)/unwind-dw2-fde-glibc.c \
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$(srcdir)/unwind-sjlj.c $(srcdir)/gthr-gnat.c $(srcdir)/unwind-c.c
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LIB2ADDEHDEP = unwind.inc unwind-dw2-fde.h unwind-dw2-fde.c
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@ -25271,10 +25271,21 @@ if test $in_tree_ld = yes ; then
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gcc_cv_ld_eh_frame_hdr=yes
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fi
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elif test x$gcc_cv_ld != x; then
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# Check if linker supports --eh-frame-hdr option
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if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
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gcc_cv_ld_eh_frame_hdr=yes
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fi
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if echo "$ld_ver" | grep GNU > /dev/null; then
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# Check if linker supports --eh-frame-hdr option
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if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
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gcc_cv_ld_eh_frame_hdr=yes
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fi
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else
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case "$target" in
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*-*-solaris2*)
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# Sun ld has various bugs in .eh_frame_hdr support before version 1.2249.
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if test "$ld_vers_major" -gt 1 || test "$ld_vers_minor" -ge 2249; then
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gcc_cv_ld_eh_frame_hdr=yes
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fi
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;;
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esac
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fi
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fi
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if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
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@ -25616,6 +25627,22 @@ _ACEOF
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fi
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if test x$host != x$target || test "x$TARGET_SYSTEM_ROOT" != x; then
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if test "x$with_headers" != x; then
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target_header_dir=$with_headers
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elif test "x$with_sysroot" = x; then
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target_header_dir="${exec_prefix}/${target_noncanonical}/sys-include"
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elif test "x$with_build_sysroot" != "x"; then
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target_header_dir="${with_build_sysroot}/usr/include"
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elif test "x$with_sysroot" = xyes; then
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target_header_dir="${exec_prefix}/${target_noncanonical}/sys-root/usr/include"
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else
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target_header_dir="${with_sysroot}/usr/include"
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fi
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else
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target_header_dir=/usr/include
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fi
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# Test for stack protector support in target C library.
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking __stack_chk_fail in target C library" >&5
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$as_echo_n "checking __stack_chk_fail in target C library... " >&6; }
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@ -25625,39 +25652,24 @@ else
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gcc_cv_libc_provides_ssp=no
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case "$target" in
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*-*-linux* | *-*-kfreebsd*-gnu | *-*-knetbsd*-gnu)
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if test x$host != x$target || test "x$TARGET_SYSTEM_ROOT" != x; then
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if test "x$with_headers" != x; then
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glibc_header_dir=$with_headers
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elif test "x$with_sysroot" = x; then
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glibc_header_dir="${exec_prefix}/${target_noncanonical}/sys-include"
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elif test "x$with_build_sysroot" != "x"; then
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glibc_header_dir="${with_build_sysroot}/usr/include"
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elif test "x$with_sysroot" = xyes; then
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glibc_header_dir="${exec_prefix}/${target_noncanonical}/sys-root/usr/include"
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else
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glibc_header_dir="${with_sysroot}/usr/include"
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fi
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else
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glibc_header_dir=/usr/include
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fi
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# glibc 2.4 and later provides __stack_chk_fail and
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# either __stack_chk_guard, or TLS access to stack guard canary.
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if test -f $glibc_header_dir/features.h \
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if test -f $target_header_dir/features.h \
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&& $EGREP '^[ ]*#[ ]*define[ ]+__GNU_LIBRARY__[ ]+([1-9][0-9]|[6-9])' \
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$glibc_header_dir/features.h > /dev/null; then
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$target_header_dir/features.h > /dev/null; then
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if $EGREP '^[ ]*#[ ]*define[ ]+__GLIBC__[ ]+([1-9][0-9]|[3-9])' \
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$glibc_header_dir/features.h > /dev/null; then
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$target_header_dir/features.h > /dev/null; then
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gcc_cv_libc_provides_ssp=yes
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elif $EGREP '^[ ]*#[ ]*define[ ]+__GLIBC__[ ]+2' \
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$glibc_header_dir/features.h > /dev/null \
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$target_header_dir/features.h > /dev/null \
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&& $EGREP '^[ ]*#[ ]*define[ ]+__GLIBC_MINOR__[ ]+([1-9][0-9]|[4-9])' \
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$glibc_header_dir/features.h > /dev/null; then
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$target_header_dir/features.h > /dev/null; then
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gcc_cv_libc_provides_ssp=yes
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elif $EGREP '^[ ]*#[ ]*define[ ]+__UCLIBC__[ ]+1' \
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$glibc_header_dir/features.h > /dev/null && \
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test -f $glibc_header_dir/bits/uClibc_config.h && \
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$target_header_dir/features.h > /dev/null && \
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test -f $target_header_dir/bits/uClibc_config.h && \
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$EGREP '^[ ]*#[ ]*define[ ]+__UCLIBC_HAS_SSP__[ ]+1' \
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$glibc_header_dir/bits/uClibc_config.h > /dev/null; then
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$target_header_dir/bits/uClibc_config.h > /dev/null; then
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gcc_cv_libc_provides_ssp=yes
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fi
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fi
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@ -25704,21 +25716,8 @@ if test "${with_long_double_128+set}" = set; then :
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withval=$with_long_double_128; gcc_cv_target_ldbl128="$with_long_double_128"
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else
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gcc_cv_target_ldbl128=no
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if test x$host != x$target || test "x$TARGET_SYSTEM_ROOT" != x; then
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if test "x$with_sysroot" = x; then
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glibc_header_dir="${exec_prefix}/${target_noncanonical}/sys-include"
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elif test "x$with_build_sysroot" != "x"; then
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glibc_header_dir="${with_build_sysroot}/usr/include"
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elif test "x$with_sysroot" = xyes; then
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glibc_header_dir="${exec_prefix}/${target_noncanonical}/sys-root/usr/include"
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else
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glibc_header_dir="${with_sysroot}/usr/include"
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fi
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else
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glibc_header_dir=/usr/include
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fi
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grep '^[ ]*#[ ]*define[ ][ ]*__LONG_DOUBLE_MATH_OPTIONAL' \
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$glibc_header_dir/bits/wordsize.h > /dev/null 2>&1 \
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$target_header_dir/bits/wordsize.h > /dev/null 2>&1 \
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&& gcc_cv_target_ldbl128=yes
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fi
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@ -25731,6 +25730,30 @@ $as_echo "#define TARGET_DEFAULT_LONG_DOUBLE_128 1" >>confdefs.h
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking dl_iterate_phdr in target C library" >&5
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$as_echo_n "checking dl_iterate_phdr in target C library... " >&6; }
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gcc_cv_target_dl_iterate_phdr=unknown
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case "$target" in
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*-*-solaris2*)
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# <link.h> needs both a dl_iterate_phdr declaration and support for
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# compilation with largefile support.
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if grep dl_iterate_phdr $target_header_dir/link.h > /dev/null 2>&1 \
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&& grep 'large file capable' $target_header_dir/link.h > /dev/null 2>&1; then
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gcc_cv_target_dl_iterate_phdr=yes
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else
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gcc_cv_target_dl_iterate_phdr=no
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fi
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;;
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esac
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if test x$gcc_cv_target_dl_iterate_phdr = xyes; then
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$as_echo "#define TARGET_DL_ITERATE_PHDR 1" >>confdefs.h
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gcc_cv_target_dl_iterate_phdr" >&5
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$as_echo "$gcc_cv_target_dl_iterate_phdr" >&6; }
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# Find out what GC implementation we want, or may, use.
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# Check whether --with-gc was given.
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|
|
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104
gcc/configure.ac
104
gcc/configure.ac
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@ -3930,15 +3930,26 @@ if test $in_tree_ld = yes ; then
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gcc_cv_ld_eh_frame_hdr=yes
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fi
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elif test x$gcc_cv_ld != x; then
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# Check if linker supports --eh-frame-hdr option
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if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
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gcc_cv_ld_eh_frame_hdr=yes
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fi
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if echo "$ld_ver" | grep GNU > /dev/null; then
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# Check if linker supports --eh-frame-hdr option
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if $gcc_cv_ld --help 2>/dev/null | grep eh-frame-hdr > /dev/null; then
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gcc_cv_ld_eh_frame_hdr=yes
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fi
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else
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case "$target" in
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*-*-solaris2*)
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# Sun ld has various bugs in .eh_frame_hdr support before version 1.2249.
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if test "$ld_vers_major" -gt 1 || test "$ld_vers_minor" -ge 2249; then
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gcc_cv_ld_eh_frame_hdr=yes
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fi
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;;
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esac
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fi
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fi
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GCC_TARGET_TEMPLATE([HAVE_LD_EH_FRAME_HDR])
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if test x"$gcc_cv_ld_eh_frame_hdr" = xyes; then
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AC_DEFINE(HAVE_LD_EH_FRAME_HDR, 1,
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[Define if your linker supports --eh-frame-hdr option.])
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[Define if your linker supports .eh_frame_hdr.])
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fi
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AC_MSG_RESULT($gcc_cv_ld_eh_frame_hdr)
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|
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@ -4219,45 +4230,46 @@ if test x$with_sysroot = x && test x$host = x$target \
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[Define to PREFIX/include if cpp should also search that directory.])
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fi
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if test x$host != x$target || test "x$TARGET_SYSTEM_ROOT" != x; then
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if test "x$with_headers" != x; then
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target_header_dir=$with_headers
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elif test "x$with_sysroot" = x; then
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target_header_dir="${exec_prefix}/${target_noncanonical}/sys-include"
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elif test "x$with_build_sysroot" != "x"; then
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target_header_dir="${with_build_sysroot}/usr/include"
|
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elif test "x$with_sysroot" = xyes; then
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target_header_dir="${exec_prefix}/${target_noncanonical}/sys-root/usr/include"
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else
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target_header_dir="${with_sysroot}/usr/include"
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fi
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else
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target_header_dir=/usr/include
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fi
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|
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# Test for stack protector support in target C library.
|
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AC_CACHE_CHECK(__stack_chk_fail in target C library,
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gcc_cv_libc_provides_ssp,
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[gcc_cv_libc_provides_ssp=no
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case "$target" in
|
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*-*-linux* | *-*-kfreebsd*-gnu | *-*-knetbsd*-gnu)
|
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if test x$host != x$target || test "x$TARGET_SYSTEM_ROOT" != x; then
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if test "x$with_headers" != x; then
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glibc_header_dir=$with_headers
|
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elif test "x$with_sysroot" = x; then
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glibc_header_dir="${exec_prefix}/${target_noncanonical}/sys-include"
|
||||
elif test "x$with_build_sysroot" != "x"; then
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glibc_header_dir="${with_build_sysroot}/usr/include"
|
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elif test "x$with_sysroot" = xyes; then
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glibc_header_dir="${exec_prefix}/${target_noncanonical}/sys-root/usr/include"
|
||||
else
|
||||
glibc_header_dir="${with_sysroot}/usr/include"
|
||||
fi
|
||||
else
|
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glibc_header_dir=/usr/include
|
||||
fi
|
||||
[# glibc 2.4 and later provides __stack_chk_fail and
|
||||
# either __stack_chk_guard, or TLS access to stack guard canary.
|
||||
if test -f $glibc_header_dir/features.h \
|
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if test -f $target_header_dir/features.h \
|
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&& $EGREP '^[ ]*#[ ]*define[ ]+__GNU_LIBRARY__[ ]+([1-9][0-9]|[6-9])' \
|
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$glibc_header_dir/features.h > /dev/null; then
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$target_header_dir/features.h > /dev/null; then
|
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if $EGREP '^[ ]*#[ ]*define[ ]+__GLIBC__[ ]+([1-9][0-9]|[3-9])' \
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$glibc_header_dir/features.h > /dev/null; then
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$target_header_dir/features.h > /dev/null; then
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gcc_cv_libc_provides_ssp=yes
|
||||
elif $EGREP '^[ ]*#[ ]*define[ ]+__GLIBC__[ ]+2' \
|
||||
$glibc_header_dir/features.h > /dev/null \
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$target_header_dir/features.h > /dev/null \
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&& $EGREP '^[ ]*#[ ]*define[ ]+__GLIBC_MINOR__[ ]+([1-9][0-9]|[4-9])' \
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||||
$glibc_header_dir/features.h > /dev/null; then
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||||
$target_header_dir/features.h > /dev/null; then
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||||
gcc_cv_libc_provides_ssp=yes
|
||||
elif $EGREP '^[ ]*#[ ]*define[ ]+__UCLIBC__[ ]+1' \
|
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$glibc_header_dir/features.h > /dev/null && \
|
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test -f $glibc_header_dir/bits/uClibc_config.h && \
|
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$target_header_dir/features.h > /dev/null && \
|
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test -f $target_header_dir/bits/uClibc_config.h && \
|
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$EGREP '^[ ]*#[ ]*define[ ]+__UCLIBC_HAS_SSP__[ ]+1' \
|
||||
$glibc_header_dir/bits/uClibc_config.h > /dev/null; then
|
||||
$target_header_dir/bits/uClibc_config.h > /dev/null; then
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||||
gcc_cv_libc_provides_ssp=yes
|
||||
fi
|
||||
fi]
|
||||
|
|
@ -4293,21 +4305,8 @@ case "$target" in
|
|||
[ --with-long-double-128 Use 128-bit long double by default.],
|
||||
gcc_cv_target_ldbl128="$with_long_double_128",
|
||||
[[gcc_cv_target_ldbl128=no
|
||||
if test x$host != x$target || test "x$TARGET_SYSTEM_ROOT" != x; then
|
||||
if test "x$with_sysroot" = x; then
|
||||
glibc_header_dir="${exec_prefix}/${target_noncanonical}/sys-include"
|
||||
elif test "x$with_build_sysroot" != "x"; then
|
||||
glibc_header_dir="${with_build_sysroot}/usr/include"
|
||||
elif test "x$with_sysroot" = xyes; then
|
||||
glibc_header_dir="${exec_prefix}/${target_noncanonical}/sys-root/usr/include"
|
||||
else
|
||||
glibc_header_dir="${with_sysroot}/usr/include"
|
||||
fi
|
||||
else
|
||||
glibc_header_dir=/usr/include
|
||||
fi
|
||||
grep '^[ ]*#[ ]*define[ ][ ]*__LONG_DOUBLE_MATH_OPTIONAL' \
|
||||
$glibc_header_dir/bits/wordsize.h > /dev/null 2>&1 \
|
||||
$target_header_dir/bits/wordsize.h > /dev/null 2>&1 \
|
||||
&& gcc_cv_target_ldbl128=yes
|
||||
]])
|
||||
;;
|
||||
|
|
@ -4317,6 +4316,27 @@ if test x$gcc_cv_target_ldbl128 = xyes; then
|
|||
[Define if TFmode long double should be the default])
|
||||
fi
|
||||
|
||||
AC_MSG_CHECKING(dl_iterate_phdr in target C library)
|
||||
gcc_cv_target_dl_iterate_phdr=unknown
|
||||
case "$target" in
|
||||
*-*-solaris2*)
|
||||
# <link.h> needs both a dl_iterate_phdr declaration and support for
|
||||
# compilation with largefile support.
|
||||
if grep dl_iterate_phdr $target_header_dir/link.h > /dev/null 2>&1 \
|
||||
&& grep 'large file capable' $target_header_dir/link.h > /dev/null 2>&1; then
|
||||
gcc_cv_target_dl_iterate_phdr=yes
|
||||
else
|
||||
gcc_cv_target_dl_iterate_phdr=no
|
||||
fi
|
||||
;;
|
||||
esac
|
||||
GCC_TARGET_TEMPLATE([TARGET_DL_ITERATE_PHDR])
|
||||
if test x$gcc_cv_target_dl_iterate_phdr = xyes; then
|
||||
AC_DEFINE(TARGET_DL_ITERATE_PHDR, 1,
|
||||
[Define if your target C library provides the `dl_iterate_phdr' function.])
|
||||
fi
|
||||
AC_MSG_RESULT($gcc_cv_target_dl_iterate_phdr)
|
||||
|
||||
# Find out what GC implementation we want, or may, use.
|
||||
AC_ARG_WITH(gc,
|
||||
[ --with-gc={page,zone} choose the garbage collection mechanism to use
|
||||
|
|
|
|||
|
|
@ -1,7 +1,7 @@
|
|||
/* Specialized bits of code needed to support construction and
|
||||
destruction of file-scope objects in C++ code.
|
||||
Copyright (C) 1991, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001
|
||||
2002, 2003, 2004, 2005, 2006, 2007, 2009 Free Software Foundation, Inc.
|
||||
2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010 Free Software Foundation, Inc.
|
||||
Contributed by Ron Guilmette (rfg@monkeys.com).
|
||||
|
||||
This file is part of GCC.
|
||||
|
|
@ -88,6 +88,15 @@ call_ ## FUNC (void) \
|
|||
# define USE_PT_GNU_EH_FRAME
|
||||
#endif
|
||||
|
||||
#if defined(OBJECT_FORMAT_ELF) \
|
||||
&& !defined(OBJECT_FORMAT_FLAT) \
|
||||
&& defined(HAVE_LD_EH_FRAME_HDR) && defined(TARGET_DL_ITERATE_PHDR) \
|
||||
&& !defined(inhibit_libc) && !defined(CRTSTUFFT_O) \
|
||||
&& defined(__sun__) && defined(__svr4__)
|
||||
#include <link.h>
|
||||
# define USE_PT_GNU_EH_FRAME
|
||||
#endif
|
||||
|
||||
#if defined(OBJECT_FORMAT_ELF) \
|
||||
&& !defined(OBJECT_FORMAT_FLAT) \
|
||||
&& defined(HAVE_LD_EH_FRAME_HDR) \
|
||||
|
|
|
|||
|
|
@ -1,4 +1,5 @@
|
|||
/* Copyright (C) 2001, 2002, 2003, 2004, 2005, 2009 Free Software Foundation, Inc.
|
||||
/* Copyright (C) 2001, 2002, 2003, 2004, 2005, 2009, 2010
|
||||
Free Software Foundation, Inc.
|
||||
Contributed by Jakub Jelinek <jakub@redhat.com>.
|
||||
|
||||
This file is part of GCC.
|
||||
|
|
@ -57,6 +58,12 @@
|
|||
# define USE_PT_GNU_EH_FRAME
|
||||
#endif
|
||||
|
||||
#if !defined(inhibit_libc) && defined(HAVE_LD_EH_FRAME_HDR) \
|
||||
&& defined(TARGET_DL_ITERATE_PHDR) \
|
||||
&& defined(__sun__) && defined(__svr4__)
|
||||
# define USE_PT_GNU_EH_FRAME
|
||||
#endif
|
||||
|
||||
#if defined(USE_PT_GNU_EH_FRAME)
|
||||
|
||||
#include <link.h>
|
||||
|
|
@ -256,6 +263,12 @@ _Unwind_IteratePhdrCallback (struct dl_phdr_info *info, size_t size, void *ptr)
|
|||
}
|
||||
else if (phdr->p_type == PT_GNU_EH_FRAME)
|
||||
p_eh_frame_hdr = phdr;
|
||||
#ifdef PT_SUNW_UNWIND
|
||||
/* Sun ld emits PT_SUNW_UNWIND .eh_frame_hdr sections instead of
|
||||
PT_SUNW_EH_FRAME/PT_GNU_EH_FRAME, so accept them as well. */
|
||||
else if (phdr->p_type == PT_SUNW_UNWIND)
|
||||
p_eh_frame_hdr = phdr;
|
||||
#endif
|
||||
else if (phdr->p_type == PT_DYNAMIC)
|
||||
p_dynamic = phdr;
|
||||
}
|
||||
|
|
@ -305,13 +318,22 @@ _Unwind_IteratePhdrCallback (struct dl_phdr_info *info, size_t size, void *ptr)
|
|||
for (; dyn->d_tag != DT_NULL ; dyn++)
|
||||
if (dyn->d_tag == DT_PLTGOT)
|
||||
{
|
||||
/* On IA-32, _DYNAMIC is writable and GLIBC has relocated it. */
|
||||
data->dbase = (void *) dyn->d_un.d_ptr;
|
||||
#if defined __linux__
|
||||
/* On IA-32 Linux, _DYNAMIC is writable and GLIBC has
|
||||
relocated it. */
|
||||
#elif defined __sun__ && defined __svr4__
|
||||
/* On Solaris 2/x86, we need to do this ourselves. */
|
||||
data->dbase += load_base;
|
||||
#endif
|
||||
break;
|
||||
}
|
||||
}
|
||||
# elif defined __FRV_FDPIC__ && defined __linux__
|
||||
data->dbase = load_base.got_value;
|
||||
# elif defined __x86_64__ && defined __sun__ && defined __svr4__
|
||||
/* While CRT_GET_RFIB_DATA is also defined for 64-bit Solaris 10+/x86, it
|
||||
doesn't apply since it uses DW_EH_PE_pcrel encoding. */
|
||||
# else
|
||||
# error What is DW_EH_PE_datarel base on this platform?
|
||||
# endif
|
||||
|
|
|
|||
Loading…
Reference in New Issue