+2001-11-23 Mark Kettenis <kettenis@gnu.org>
+
+ Add x86 OpenBSD native configuration.
+ * config/i386/obsd.mt, config/i386/tm-obsd.h, config/i386/obsd.mh,
+ config/i386/nm-obsd.h: New files.
+ * configure.host (i[3456]86-*-openbsd*): New host.
+ * configure.tgt (i[3456]86-*-openbsd*): New target.
+ * NEWS: Update.
+
2001-11-21 GDB Administrator <gdbadmin@sourceware.cygnus.com>
* GDB 5.1 was released.
What has changed in GDB?
(Organized release by release)
+*** Changes since GDB 5.1:
+
+* New native configurations
+
+x86 OpenBSD i[3456]86-*-openbsd*
+
*** Changes in GDB 5.1:
* New native configurations
--- /dev/null
+/* Native-dependent definitions for OpenBSD/i386.
+ Copyright 2001 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. */
+
+#ifndef NM_OBSD_H
+#define NM_OBSD_H
+
+/* Type of the third argument to the `ptrace' system call. */
+#define PTRACE_ARG3_TYPE caddr_t
+
+/* Override copies of {fetch,store}_inferior_registers in `infptrace.c'. */
+#define FETCH_INFERIOR_REGISTERS
+
+/* We can attach and detach. */
+#define ATTACH_DETACH
+\f
+
+/* Support for the user struct. */
+
+/* Return the size of the user struct. */
+
+#define KERNEL_U_SIZE kernel_u_size ()
+extern int kernel_u_size (void);
+
+/* This is the amount to subtract from u.u_ar0
+ to get the offset in the core file of the register values. */
+
+#include <machine/vmparam.h>
+#define KERNEL_U_ADDR USRSTACK
+
+#define REGISTER_U_ADDR(addr, blockend, regno) \
+ (addr) = register_u_addr ((blockend), (regno))
+extern CORE_ADDR register_u_addr (CORE_ADDR blockend, int regno);
+\f
+
+/* Shared library support. */
+
+#include "solib.h" /* Support for shared libraries. */
+
+/* Make structure definitions match up with those expected in `solib.c'. */
+
+#define link_object sod
+#define lo_name sod_name
+#define lo_library sod_library
+#define lo_unused sod_reserved
+#define lo_major sod_major
+#define lo_minor sod_minor
+#define lo_next sod_next
+
+#define link_map so_map
+#define lm_addr som_addr
+#define lm_name som_path
+#define lm_next som_next
+#define lm_lop som_sod
+#define lm_lob som_sodbase
+#define lm_rwt som_write
+#define lm_ld som_dynamic
+#define lm_lpd som_spd
+
+#define link_dynamic_2 section_dispatch_table
+#define ld_loaded sdt_loaded
+#define ld_need sdt_sods
+#define ld_rules sdt_filler1
+#define ld_got sdt_got
+#define ld_plt sdt_plt
+#define ld_rel sdt_rel
+#define ld_hash sdt_hash
+#define ld_stab sdt_nzlist
+#define ld_stab_hash sdt_filler2
+#define ld_buckets sdt_buckets
+#define ld_symbols sdt_strings
+#define ld_symb_size sdt_str_sz
+#define ld_text sdt_text_sz
+#define ld_plt_sz sdt_plt_sz
+
+#define rtc_symb rt_symbol
+#define rtc_sp rt_sp
+#define rtc_next rt_next
+
+#define ld_debug so_debug
+#define ldd_version dd_version
+#define ldd_in_debugger dd_in_debugger
+#define ldd_sym_loaded dd_sym_loaded
+#define ldd_bp_addr dd_bpt_addr
+#define ldd_bp_inst dd_bpt_shadow
+#define ldd_cp dd_cc
+
+#define link_dynamic _dynamic
+#define ld_version d_version
+#define ldd d_debug
+#define ld_un d_un
+#define ld_2 d_sdt
+
+#endif /* nm-obsd.h */
--- /dev/null
+# Host: Intel 386 running OpenBSD
+
+XM_FILE= xm-i386.h
+XDEPFILES=
+
+NAT_FILE= nm-obsd.h
+# NOTE: Do not spread NATDEPFILES over several lines - it hurts BSD make.
+NATDEPFILES= fork-child.o infptrace.o inftarg.o solib.o solib-sunos.o corelow.o core-aout.o i386-nat.o i387-nat.o i386bsd-nat.o
--- /dev/null
+# Target: Intel 386 running OpenBSD
+TDEPFILES= i386-tdep.o i387-tdep.o i386bsd-tdep.o
+TM_FILE= tm-obsd.h
--- /dev/null
+/* Target-dependent definitions for OpenBSD/i386.
+ Copyright 2001 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. */
+
+#ifndef TM_OBSD_H
+#define TM_OBSD_H
+
+#define HAVE_I387_REGS
+#include "i386/tm-i386.h"
+
+/* OpenBSD uses the old gcc convention for struct returns. */
+
+#define USE_STRUCT_CONVENTION(gcc_p, type) \
+ generic_use_struct_convention (1, type)
+\f
+
+/* Support for longjmp. */
+
+/* Details about jmp_buf. It's supposed to be an array of integers. */
+
+#define JB_ELEMENT_SIZE 4 /* Size of elements in jmp_buf. */
+#define JB_PC 0 /* Array index of saved PC. */
+
+/* Figure out where the longjmp will land. Store the address that
+ longjmp will jump to in *ADDR, and return non-zero if successful. */
+
+#define GET_LONGJMP_TARGET(addr) get_longjmp_target (addr)
+extern int get_longjmp_target (CORE_ADDR *addr);
+\f
+
+/* Support for signal handlers. */
+
+#define IN_SIGTRAMP(pc, name) i386bsd_in_sigtramp (pc, name)
+extern int i386bsd_in_sigtramp (CORE_ADDR pc, char *name);
+
+/* These defines allow the recognition of sigtramps as a function name
+ <sigtramp>.
+
+ FIXME: kettenis/2001-07-13: These should be added to the target
+ vector and turned into functions when we go "multi-arch". */
+
+#define SIGTRAMP_START(pc) i386bsd_sigtramp_start
+#define SIGTRAMP_END(pc) i386bsd_sigtramp_end
+extern CORE_ADDR i386bsd_sigtramp_start;
+extern CORE_ADDR i386bsd_sigtramp_end;
+
+/* Override FRAME_SAVED_PC to enable the recognition of signal handlers. */
+
+#undef FRAME_SAVED_PC
+#define FRAME_SAVED_PC(frame) i386bsd_frame_saved_pc (frame)
+extern CORE_ADDR i386bsd_frame_saved_pc (struct frame_info *frame);
+\f
+
+/* Shared library support. */
+
+/* Return non-zero if we are in a shared library trampoline code stub. */
+
+#define IN_SOLIB_CALL_TRAMPOLINE(pc, name) \
+ (name && !strcmp(name, "_DYNAMIC"))
+
+#endif /* tm-obsd.h */
i[3456]86-*-mach3*) gdb_host=i386m3 ;;
i[3456]86-*-mach*) gdb_host=i386mach ;;
i[3456]86-*-gnu*) gdb_host=i386gnu ;;
+i[3456]86-*-openbsd*) gdb_host=obsd ;;
i[3456]86-*-osf1mk*) gdb_host=i386mk ;;
i[3456]86-*-sco3.2v5*) gdb_host=i386sco5 ;;
i[3456]86-*-sco3.2v4*) gdb_host=i386sco4 ;;
i[3456]86-*-msdosdjgpp*) gdb_target=go32 ;;
i[3456]86-*-lynxos*) gdb_target=i386lynx
configdirs="${configdirs} gdbserver" ;;
+i[3456]86-*-openbsd*) gdb_target=obsd ;;
i[3456]86-*-solaris*) gdb_target=i386sol2 ;;
# OBSOLETE i[3456]86-*-sunos*) gdb_target=sun386 ;;
i[3456]86-*-sysv4.2*) gdb_target=i386v42mp ;;
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