/* Target-dependent code for OpenBSD.
- Copyright (C) 2005 Free Software Foundation, Inc.
+ Copyright (C) 2005-2020 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
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
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., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA. */
+ along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "defs.h"
+#include "auxv.h"
#include "frame.h"
#include "symtab.h"
+#include "objfiles.h"
#include "obsd-tdep.h"
CORE_ADDR
obsd_skip_solib_resolver (struct gdbarch *gdbarch, CORE_ADDR pc)
{
- struct minimal_symbol *msym;
+ struct bound_minimal_symbol msym;
msym = lookup_minimal_symbol("_dl_bind", NULL, NULL);
- if (msym && SYMBOL_VALUE_ADDRESS (msym) == pc)
- return frame_pc_unwind (get_current_frame ());
+ if (msym.minsym && BMSYMBOL_VALUE_ADDRESS (msym) == pc)
+ return frame_unwind_caller_pc (get_current_frame ());
else
- return find_solib_trampoline_target (pc);
+ return find_solib_trampoline_target (get_current_frame (), pc);
+}
+
+/* OpenBSD signal numbers. From <sys/signal.h>. */
+
+enum
+ {
+ OBSD_SIGHUP = 1,
+ OBSD_SIGINT = 2,
+ OBSD_SIGQUIT = 3,
+ OBSD_SIGILL = 4,
+ OBSD_SIGTRAP = 5,
+ OBSD_SIGABRT = 6,
+ OBSD_SIGEMT = 7,
+ OBSD_SIGFPE = 8,
+ OBSD_SIGKILL = 9,
+ OBSD_SIGBUS = 10,
+ OBSD_SIGSEGV = 11,
+ OBSD_SIGSYS = 12,
+ OBSD_SIGPIPE = 13,
+ OBSD_SIGALRM = 14,
+ OBSD_SIGTERM = 15,
+ OBSD_SIGURG = 16,
+ OBSD_SIGSTOP = 17,
+ OBSD_SIGTSTP = 18,
+ OBSD_SIGCONT = 19,
+ OBSD_SIGCHLD = 20,
+ OBSD_SIGTTIN = 21,
+ OBSD_SIGTTOU = 22,
+ OBSD_SIGIO = 23,
+ OBSD_SIGXCPU = 24,
+ OBSD_SIGXFSZ = 25,
+ OBSD_SIGVTALRM = 26,
+ OBSD_SIGPROF = 27,
+ OBSD_SIGWINCH = 28,
+ OBSD_SIGINFO = 29,
+ OBSD_SIGUSR1 = 30,
+ OBSD_SIGUSR2 = 31,
+ OBSD_SIGTHR = 32,
+ };
+
+/* Implement the "gdb_signal_from_target" gdbarch method. */
+
+static enum gdb_signal
+obsd_gdb_signal_from_target (struct gdbarch *gdbarch, int signal)
+{
+ switch (signal)
+ {
+ case 0:
+ return GDB_SIGNAL_0;
+
+ case OBSD_SIGHUP:
+ return GDB_SIGNAL_HUP;
+
+ case OBSD_SIGINT:
+ return GDB_SIGNAL_INT;
+
+ case OBSD_SIGQUIT:
+ return GDB_SIGNAL_QUIT;
+
+ case OBSD_SIGILL:
+ return GDB_SIGNAL_ILL;
+
+ case OBSD_SIGTRAP:
+ return GDB_SIGNAL_TRAP;
+
+ case OBSD_SIGABRT:
+ return GDB_SIGNAL_ABRT;
+
+ case OBSD_SIGEMT:
+ return GDB_SIGNAL_EMT;
+
+ case OBSD_SIGFPE:
+ return GDB_SIGNAL_FPE;
+
+ case OBSD_SIGKILL:
+ return GDB_SIGNAL_KILL;
+
+ case OBSD_SIGBUS:
+ return GDB_SIGNAL_BUS;
+
+ case OBSD_SIGSEGV:
+ return GDB_SIGNAL_SEGV;
+
+ case OBSD_SIGSYS:
+ return GDB_SIGNAL_SYS;
+
+ case OBSD_SIGPIPE:
+ return GDB_SIGNAL_PIPE;
+
+ case OBSD_SIGALRM:
+ return GDB_SIGNAL_ALRM;
+
+ case OBSD_SIGTERM:
+ return GDB_SIGNAL_TERM;
+
+ case OBSD_SIGURG:
+ return GDB_SIGNAL_URG;
+
+ case OBSD_SIGSTOP:
+ return GDB_SIGNAL_STOP;
+
+ case OBSD_SIGTSTP:
+ return GDB_SIGNAL_TSTP;
+
+ case OBSD_SIGCONT:
+ return GDB_SIGNAL_CONT;
+
+ case OBSD_SIGCHLD:
+ return GDB_SIGNAL_CHLD;
+
+ case OBSD_SIGTTIN:
+ return GDB_SIGNAL_TTIN;
+
+ case OBSD_SIGTTOU:
+ return GDB_SIGNAL_TTOU;
+
+ case OBSD_SIGIO:
+ return GDB_SIGNAL_IO;
+
+ case OBSD_SIGXCPU:
+ return GDB_SIGNAL_XCPU;
+
+ case OBSD_SIGXFSZ:
+ return GDB_SIGNAL_XFSZ;
+
+ case OBSD_SIGVTALRM:
+ return GDB_SIGNAL_VTALRM;
+
+ case OBSD_SIGPROF:
+ return GDB_SIGNAL_PROF;
+
+ case OBSD_SIGWINCH:
+ return GDB_SIGNAL_WINCH;
+
+ case OBSD_SIGINFO:
+ return GDB_SIGNAL_INFO;
+
+ case OBSD_SIGUSR1:
+ return GDB_SIGNAL_USR1;
+
+ case OBSD_SIGUSR2:
+ return GDB_SIGNAL_USR2;
+ }
+
+ return GDB_SIGNAL_UNKNOWN;
+}
+
+/* Implement the "gdb_signal_to_target" gdbarch method. */
+
+static int
+obsd_gdb_signal_to_target (struct gdbarch *gdbarch,
+ enum gdb_signal signal)
+{
+ switch (signal)
+ {
+ case GDB_SIGNAL_0:
+ return 0;
+
+ case GDB_SIGNAL_HUP:
+ return OBSD_SIGHUP;
+
+ case GDB_SIGNAL_INT:
+ return OBSD_SIGINT;
+
+ case GDB_SIGNAL_QUIT:
+ return OBSD_SIGQUIT;
+
+ case GDB_SIGNAL_ILL:
+ return OBSD_SIGILL;
+
+ case GDB_SIGNAL_TRAP:
+ return OBSD_SIGTRAP;
+
+ case GDB_SIGNAL_ABRT:
+ return OBSD_SIGABRT;
+
+ case GDB_SIGNAL_EMT:
+ return OBSD_SIGEMT;
+
+ case GDB_SIGNAL_FPE:
+ return OBSD_SIGFPE;
+
+ case GDB_SIGNAL_KILL:
+ return OBSD_SIGKILL;
+
+ case GDB_SIGNAL_BUS:
+ return OBSD_SIGBUS;
+
+ case GDB_SIGNAL_SEGV:
+ return OBSD_SIGSEGV;
+
+ case GDB_SIGNAL_SYS:
+ return OBSD_SIGSYS;
+
+ case GDB_SIGNAL_PIPE:
+ return OBSD_SIGPIPE;
+
+ case GDB_SIGNAL_ALRM:
+ return OBSD_SIGALRM;
+
+ case GDB_SIGNAL_TERM:
+ return OBSD_SIGTERM;
+
+ case GDB_SIGNAL_URG:
+ return OBSD_SIGURG;
+
+ case GDB_SIGNAL_STOP:
+ return OBSD_SIGSTOP;
+
+ case GDB_SIGNAL_TSTP:
+ return OBSD_SIGTSTP;
+
+ case GDB_SIGNAL_CONT:
+ return OBSD_SIGCONT;
+
+ case GDB_SIGNAL_CHLD:
+ return OBSD_SIGCHLD;
+
+ case GDB_SIGNAL_TTIN:
+ return OBSD_SIGTTIN;
+
+ case GDB_SIGNAL_TTOU:
+ return OBSD_SIGTTOU;
+
+ case GDB_SIGNAL_IO:
+ return OBSD_SIGIO;
+
+ case GDB_SIGNAL_XCPU:
+ return OBSD_SIGXCPU;
+
+ case GDB_SIGNAL_XFSZ:
+ return OBSD_SIGXFSZ;
+
+ case GDB_SIGNAL_VTALRM:
+ return OBSD_SIGVTALRM;
+
+ case GDB_SIGNAL_PROF:
+ return OBSD_SIGPROF;
+
+ case GDB_SIGNAL_WINCH:
+ return OBSD_SIGWINCH;
+
+ case GDB_SIGNAL_USR1:
+ return OBSD_SIGUSR1;
+
+ case GDB_SIGNAL_USR2:
+ return OBSD_SIGUSR2;
+
+ case GDB_SIGNAL_INFO:
+ return OBSD_SIGINFO;
+ }
+
+ return -1;
+}
+
+void
+obsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
+{
+ set_gdbarch_gdb_signal_from_target (gdbarch,
+ obsd_gdb_signal_from_target);
+ set_gdbarch_gdb_signal_to_target (gdbarch,
+ obsd_gdb_signal_to_target);
+
+ set_gdbarch_auxv_parse (gdbarch, svr4_auxv_parse);
}
projects / deliverable / binutils-gdb.git / blobdiff