+2000-10-30 Michael Snyder <msnyder@cleaver.cygnus.com>
+
+ * config/sh/tm-linux.h: New file. Include generic tm-linux.h,
+ plus tm-sh.h, then define SVR4_FETCH_LINK_MAP_OFFSETS to use
+ the sh target function instead of the default link map offsets.
+ * config/sh/sh.mt: Add solib.o and solib-svr4.o to TDEPFILES.
+ Use sh/tm-linux.h instead of sh/tm-sh.h.
+ * sh-tdep.c (sh_linux_svr4_fetch_link_map_offsets):
+ New function. Construct target-specific link map offsets.
+ * i386-linux-tdep.c (i386_linux_svr4_fetch_link_map_offsets:
+ New function. Construct target-specific link map offsets.
+ * config/i386/tm-linux.h: Use above function instead of default.
+
+2000-10-30 Michael Snyder <msnyder@cleaver.cygnus.com>
+
+ * config/i386/tm-linux.h: Remove definition of SVR4_SHARED_LIBS,
+ and inclusion of solib.h. Move up into ../tm-linux.h.
+ config/tm-linux.h: Define SVR4_SHARED_LIBS, include solib.h.
+
2000-10-30 Kevin Buettner <kevinb@redhat.com>
* top.c (simplified_command_loop, add_info, add_com,
#include "i386/tm-i386.h"
#include "tm-linux.h"
+/* Use target_specific function to define link map offsets. */
+extern struct link_map_offsets *i386_linux_svr4_fetch_link_map_offsets (void);
+#define SVR4_FETCH_LINK_MAP_OFFSETS() i386_linux_svr4_fetch_link_map_offsets ()
+
/* FIXME: kettenis/2000-03-26: We should get rid of this last piece of
Linux-specific `long double'-support code, probably by adding code
to valprint.c:print_floating() to recognize various extended
# Target: Hitachi Super-H with ICE and simulator
-TDEPFILES= sh-tdep.o monitor.o sh3-rom.o remote-e7000.o ser-e7kpc.o dsrec.o
-TM_FILE= tm-sh.h
+TDEPFILES= sh-tdep.o monitor.o sh3-rom.o remote-e7000.o ser-e7kpc.o dsrec.o solib.o solib-svr4.o
+TM_FILE= tm-linux.h
SIM_OBS = remote-sim.o
SIM = ../sim/sh/libsim.a
--- /dev/null
+/* Target-specific definitions for Linux running on a Hitachi Super-H.
+ Copyright (C) 2000 Free Software Foundation, Inc.
+
+ This file is part of GDB.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+/* Pull in Linux generic defs */
+#include "tm-linux.h"
+
+/* Pull in sh-target defs */
+#include "sh/tm-sh.h"
+
+/* Use target_specific function to define link map offsets. */
+extern struct link_map_offsets *sh_linux_svr4_fetch_link_map_offsets (void);
+#define SVR4_FETCH_LINK_MAP_OFFSETS() sh_linux_svr4_fetch_link_map_offsets ()
+
/* We need this file for the SOLIB_TRAMPOLINE stuff. */
#include "tm-sysv4.h"
+
+/* We define SVR4_SHARED_LIBS unconditionally, on the assumption that
+ link.h is available on all linux platforms. For I386 and SH3/4,
+ we hard-code the information rather than use link.h anyway (for
+ the benefit of cross-debugging). We may move to doing that for
+ other architectures as well. */
+
+#define SVR4_SHARED_LIBS
+#include "solib.h" /* Support for shared libraries. */
#include "symtab.h"
#include "symfile.h"
#include "objfiles.h"
+#include "solib-svr4.h" /* for struct link_map_offsets */
\f
/* Recognizing signal handler frames. */
return 0;
}
+
+/* Fetch (and possibly build) an appropriate link_map_offsets structure
+ for native i386 linux targets using the struct offsets defined in
+ link.h (but without actual reference to that file).
+
+ This makes it possible to access i386-linux shared libraries from
+ a gdb that was not built on an i386-linux host (for cross debugging).
+ */
+
+struct link_map_offsets *
+i386_linux_svr4_fetch_link_map_offsets (void)
+{
+ static struct link_map_offsets lmo;
+ static struct link_map_offsets *lmp = 0;
+
+ if (lmp == 0)
+ {
+ lmp = &lmo;
+
+ lmo.r_debug_size = 8; /* 20 not actual size but all we need */
+
+ lmo.r_map_offset = 4;
+ lmo.r_map_size = 4;
+
+ lmo.link_map_size = 20; /* 552 not actual size but all we need */
+
+ lmo.l_addr_offset = 0;
+ lmo.l_addr_size = 4;
+
+ lmo.l_name_offset = 4;
+ lmo.l_name_size = 4;
+
+ lmo.l_next_offset = 12;
+ lmo.l_next_size = 4;
+
+ lmo.l_prev_offset = 16;
+ lmo.l_prev_size = 4;
+ }
+
+ return lmp;
+}
+
#include "arch-utils.h"
#include "floatformat.h"
+#include "solib-svr4.h"
+
#undef XMALLOC
#define XMALLOC(TYPE) ((TYPE*) xmalloc (sizeof (TYPE)))
}
}
+#ifdef SVR4_SHARED_LIBS
+
+/* Fetch (and possibly build) an appropriate link_map_offsets structure
+ for native i386 linux targets using the struct offsets defined in
+ link.h (but without actual reference to that file).
+
+ This makes it possible to access i386-linux shared libraries from
+ a gdb that was not built on an i386-linux host (for cross debugging).
+ */
+
+struct link_map_offsets *
+sh_linux_svr4_fetch_link_map_offsets (void)
+{
+ static struct link_map_offsets lmo;
+ static struct link_map_offsets *lmp = 0;
+
+ if (lmp == 0)
+ {
+ lmp = &lmo;
+
+ lmo.r_debug_size = 8; /* 20 not actual size but all we need */
+
+ lmo.r_map_offset = 4;
+ lmo.r_map_size = 4;
+
+ lmo.link_map_size = 20; /* 552 not actual size but all we need */
+
+ lmo.l_addr_offset = 0;
+ lmo.l_addr_size = 4;
+
+ lmo.l_name_offset = 4;
+ lmo.l_name_size = 4;
+
+ lmo.l_next_offset = 12;
+ lmo.l_next_size = 4;
+
+ lmo.l_prev_offset = 16;
+ lmo.l_prev_size = 4;
+ }
+
+ return lmp;
+}
+#endif /* SVR4_SHARED_LIBS */
+
static gdbarch_init_ftype sh_gdbarch_init;
static struct gdbarch *
projects / binutils-gdb.git / commitdiff