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* config/pa/hpux.mh (NATDEPFILES): Remove somread.o.
* configure: Rebuild. * configure.ac: Add somread.o to the build if BFD has SOM support. * somread.c: Include som/aout.h, not syms.h. (som_symtab_read): Use som_external_symbol_dictionary_record. Unpack records manually. (_initialize_somread): Declare.
This commit is contained in:
Tom Tromey
parent
679af3685c
commit
b2259038ba
@ -1,3 +1,14 @@
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2013-01-09 Tom Tromey <tromey@redhat.com>
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* config/pa/hpux.mh (NATDEPFILES): Remove somread.o.
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* configure: Rebuild.
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* configure.ac: Add somread.o to the build if BFD has SOM
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support.
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* somread.c: Include som/aout.h, not syms.h.
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(som_symtab_read): Use som_external_symbol_dictionary_record.
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Unpack records manually.
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(_initialize_somread): Declare.
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2012-01-08 Mike Frysinger <vapier@gentoo.org>
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* common/linux-ptrace.c (linux_ptrace_test_ret_to_nx) [__x86_64__]:
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@ -1,3 +1,3 @@
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# Host: PA-RISC HP-UX
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NATDEPFILES= fork-child.o inf-ptrace.o inf-ttrace.o \
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hppa-hpux-nat.o somread.o
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hppa-hpux-nat.o
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52
gdb/configure
vendored
52
gdb/configure
vendored
@ -12674,6 +12674,58 @@ if test $gdb_cv_var_macho = yes; then
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CONFIG_OBS="$CONFIG_OBS machoread.o"
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fi
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# Add SOM support to GDB, but only if BFD includes it.
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OLD_CFLAGS=$CFLAGS
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OLD_LDFLAGS=$LDFLAGS
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OLD_LIBS=$LIBS
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# Put the old CFLAGS/LDFLAGS last, in case the user's (C|LD)FLAGS
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# points somewhere with bfd, with -I/foo/lib and -L/foo/lib. We
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# always want our bfd.
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CFLAGS="-I${srcdir}/../include -I../bfd -I${srcdir}/../bfd $CFLAGS"
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LDFLAGS="-L../bfd -L../libiberty $LDFLAGS"
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intl=`echo $LIBINTL | sed 's,${top_builddir}/,,g'`
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# -ldl is provided by bfd/Makfile.am (LIBDL) <PLUGINS>.
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if test "$plugins" = "yes"; then
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LIBS="-ldl $LIBS"
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fi
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LIBS="-lbfd -liberty $intl $LIBS"
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{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for SOM support in BFD" >&5
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$as_echo_n "checking for SOM support in BFD... " >&6; }
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if test "${gdb_cv_var_som+set}" = set; then :
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$as_echo_n "(cached) " >&6
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else
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cat confdefs.h - <<_ACEOF >conftest.$ac_ext
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/* end confdefs.h. */
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#include <stdlib.h>
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#include "bfd.h"
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#include "som.h"
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int
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main ()
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{
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return bfd_som_attach_aux_hdr (NULL, 0, NULL);
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;
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return 0;
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}
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_ACEOF
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if ac_fn_c_try_link "$LINENO"; then :
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gdb_cv_var_som=yes
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else
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gdb_cv_var_som=no
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fi
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rm -f core conftest.err conftest.$ac_objext \
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conftest$ac_exeext conftest.$ac_ext
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gdb_cv_var_som" >&5
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$as_echo "$gdb_cv_var_som" >&6; }
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CFLAGS=$OLD_CFLAGS
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LDFLAGS=$OLD_LDFLAGS
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LIBS=$OLD_LIBS
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if test $gdb_cv_var_som = yes; then
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CONFIG_OBS="$CONFIG_OBS somread.o"
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fi
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# Add any host-specific objects to GDB.
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CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
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@ -2034,6 +2034,13 @@ if test $gdb_cv_var_macho = yes; then
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CONFIG_OBS="$CONFIG_OBS machoread.o"
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fi
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# Add SOM support to GDB, but only if BFD includes it.
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GDB_AC_CHECK_BFD([for SOM support in BFD], gdb_cv_var_som,
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[bfd_som_attach_aux_hdr (NULL, 0, NULL)], som.h)
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if test $gdb_cv_var_som = yes; then
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CONFIG_OBS="$CONFIG_OBS somread.o"
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fi
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# Add any host-specific objects to GDB.
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CONFIG_OBS="${CONFIG_OBS} ${gdb_host_obs}"
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@ -19,7 +19,7 @@
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#include "defs.h"
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#include "bfd.h"
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#include <syms.h>
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#include "som/aout.h"
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#include "symtab.h"
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#include "symfile.h"
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#include "objfiles.h"
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@ -51,9 +51,9 @@ som_symtab_read (bfd *abfd, struct objfile *objfile,
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int val, dynamic;
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char *stringtab;
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asection *shlib_info;
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struct symbol_dictionary_record *buf, *bufp, *endbufp;
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struct som_external_symbol_dictionary_record *buf, *bufp, *endbufp;
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char *symname;
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CONST int symsize = sizeof (struct symbol_dictionary_record);
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CONST int symsize = sizeof (struct som_external_symbol_dictionary_record);
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CORE_ADDR text_offset, data_offset;
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@ -100,14 +100,20 @@ som_symtab_read (bfd *abfd, struct objfile *objfile,
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for (bufp = buf; bufp < endbufp; ++bufp)
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{
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enum minimal_symbol_type ms_type;
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unsigned int flags = bfd_getb32 (bufp->flags);
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unsigned int symbol_type
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= (flags >> SOM_SYMBOL_TYPE_SH) & SOM_SYMBOL_TYPE_MASK;
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unsigned int symbol_scope
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= (flags >> SOM_SYMBOL_SCOPE_SH) & SOM_SYMBOL_SCOPE_MASK;
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CORE_ADDR symbol_value = bfd_getb32 (bufp->symbol_value);
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QUIT;
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switch (bufp->symbol_scope)
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switch (symbol_scope)
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{
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case SS_UNIVERSAL:
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case SS_EXTERNAL:
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switch (bufp->symbol_type)
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switch (symbol_type)
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{
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case ST_SYM_EXT:
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case ST_ARG_EXT:
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@ -117,15 +123,14 @@ som_symtab_read (bfd *abfd, struct objfile *objfile,
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case ST_PRI_PROG:
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case ST_SEC_PROG:
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case ST_MILLICODE:
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symname = bufp->name.n_strx + stringtab;
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symname = bfd_getb32 (bufp->name) + stringtab;
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ms_type = mst_text;
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bufp->symbol_value += text_offset;
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bufp->symbol_value = gdbarch_addr_bits_remove
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(gdbarch, bufp->symbol_value);
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symbol_value += text_offset;
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symbol_value = gdbarch_addr_bits_remove (gdbarch, symbol_value);
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break;
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case ST_ENTRY:
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symname = bufp->name.n_strx + stringtab;
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symname = bfd_getb32 (bufp->name) + stringtab;
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/* For a dynamic executable, ST_ENTRY symbols are
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the stubs, while the ST_CODE symbol is the real
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function. */
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@ -133,22 +138,20 @@ som_symtab_read (bfd *abfd, struct objfile *objfile,
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ms_type = mst_solib_trampoline;
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else
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ms_type = mst_text;
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bufp->symbol_value += text_offset;
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bufp->symbol_value = gdbarch_addr_bits_remove
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(gdbarch, bufp->symbol_value);
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symbol_value += text_offset;
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symbol_value = gdbarch_addr_bits_remove (gdbarch, symbol_value);
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break;
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case ST_STUB:
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symname = bufp->name.n_strx + stringtab;
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symname = bfd_getb32 (bufp->name) + stringtab;
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ms_type = mst_solib_trampoline;
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bufp->symbol_value += text_offset;
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bufp->symbol_value = gdbarch_addr_bits_remove
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(gdbarch, bufp->symbol_value);
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symbol_value += text_offset;
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symbol_value = gdbarch_addr_bits_remove (gdbarch, symbol_value);
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break;
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case ST_DATA:
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symname = bufp->name.n_strx + stringtab;
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bufp->symbol_value += data_offset;
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symname = bfd_getb32 (bufp->name) + stringtab;
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symbol_value += data_offset;
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ms_type = mst_data;
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break;
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default:
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@ -161,18 +164,17 @@ som_symtab_read (bfd *abfd, struct objfile *objfile,
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case SS_GLOBAL:
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#endif
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case SS_LOCAL:
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switch (bufp->symbol_type)
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switch (symbol_type)
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{
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case ST_SYM_EXT:
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case ST_ARG_EXT:
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continue;
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case ST_CODE:
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symname = bufp->name.n_strx + stringtab;
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symname = bfd_getb32 (bufp->name) + stringtab;
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ms_type = mst_file_text;
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bufp->symbol_value += text_offset;
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bufp->symbol_value = gdbarch_addr_bits_remove
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(gdbarch, bufp->symbol_value);
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symbol_value += text_offset;
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symbol_value = gdbarch_addr_bits_remove (gdbarch, symbol_value);
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check_strange_names:
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/* Utah GCC 2.5, FSF GCC 2.6 and later generate correct local
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@ -200,37 +202,34 @@ som_symtab_read (bfd *abfd, struct objfile *objfile,
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case ST_PRI_PROG:
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case ST_SEC_PROG:
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case ST_MILLICODE:
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symname = bufp->name.n_strx + stringtab;
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symname = bfd_getb32 (bufp->name) + stringtab;
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ms_type = mst_file_text;
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bufp->symbol_value += text_offset;
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bufp->symbol_value = gdbarch_addr_bits_remove
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(gdbarch, bufp->symbol_value);
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symbol_value += text_offset;
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symbol_value = gdbarch_addr_bits_remove (gdbarch, symbol_value);
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break;
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case ST_ENTRY:
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symname = bufp->name.n_strx + stringtab;
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symname = bfd_getb32 (bufp->name) + stringtab;
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/* SS_LOCAL symbols in a shared library do not have
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export stubs, so we do not have to worry about
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using mst_file_text vs mst_solib_trampoline here like
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we do for SS_UNIVERSAL and SS_EXTERNAL symbols above. */
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ms_type = mst_file_text;
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bufp->symbol_value += text_offset;
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bufp->symbol_value = gdbarch_addr_bits_remove
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(gdbarch, bufp->symbol_value);
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symbol_value += text_offset;
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symbol_value = gdbarch_addr_bits_remove (gdbarch, symbol_value);
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break;
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case ST_STUB:
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symname = bufp->name.n_strx + stringtab;
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symname = bfd_getb32 (bufp->name) + stringtab;
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ms_type = mst_solib_trampoline;
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bufp->symbol_value += text_offset;
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bufp->symbol_value = gdbarch_addr_bits_remove
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(gdbarch, bufp->symbol_value);
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symbol_value += text_offset;
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symbol_value = gdbarch_addr_bits_remove (gdbarch, symbol_value);
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break;
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case ST_DATA:
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symname = bufp->name.n_strx + stringtab;
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bufp->symbol_value += data_offset;
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symname = bfd_getb32 (bufp->name) + stringtab;
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symbol_value += data_offset;
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ms_type = mst_file_data;
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goto check_strange_names;
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@ -246,12 +245,12 @@ som_symtab_read (bfd *abfd, struct objfile *objfile,
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This also happens for weak symbols, but their type is
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ST_DATA. */
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case SS_UNSAT:
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switch (bufp->symbol_type)
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switch (symbol_type)
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{
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case ST_STORAGE:
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case ST_DATA:
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symname = bufp->name.n_strx + stringtab;
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bufp->symbol_value += data_offset;
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symname = bfd_getb32 (bufp->name) + stringtab;
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symbol_value += data_offset;
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ms_type = mst_data;
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break;
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@ -264,12 +263,11 @@ som_symtab_read (bfd *abfd, struct objfile *objfile,
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continue;
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}
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if (bufp->name.n_strx > obj_som_stringtab_size (abfd))
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error (_("Invalid symbol data; bad HP string table offset: %d"),
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bufp->name.n_strx);
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if (bfd_getb32 (bufp->name) > obj_som_stringtab_size (abfd))
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error (_("Invalid symbol data; bad HP string table offset: %s"),
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plongest (bfd_getb32 (bufp->name)));
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prim_record_minimal_symbol (symname, bufp->symbol_value, ms_type,
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objfile);
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prim_record_minimal_symbol (symname, symbol_value, ms_type, objfile);
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}
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}
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@ -426,6 +424,8 @@ static const struct sym_fns som_sym_fns =
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&psym_functions
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};
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initialize_file_ftype _initialize_somread;
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void
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_initialize_somread (void)
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{
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