* Makefile.in (mipsnbsd-tdep.o): Add nbsd-tdep.h to dependency

list.
(nbsd-tdep.o): Add $(gdb_string_h) to dependency list.
* alphanbsd-tdep.c (alphanbsd_pc_in_sigtramp): Use
nbsd_pc_in_sigtramp.
* mipsnbsd-tdep.c: Include nbsd-tdep.h.
(mipsnbsd_pc_in_sigtramp): Use nbsd_pc_in_sigtramp.
* nbsd-tdep.c: Include gdb_string.h.
(nbsd_pc_in_sigtramp): New function.
* nbsd-tdep.h (nbsd_pc_in_sigtramp): New prototype.
* ppcnbsd-tdep.c (ppcnbsd_pc_in_sigtramp): New function.
(ppcnbsd_init_abi): Set gdbarch_pc_in_sigtramp to
ppcnbsd_pc_in_sigtramp.
* shnbsd-tdep.c (shnbsd_pc_in_sigtramp): New function.
(shnbsd_init_abi): Set gdbarch_pc_in_sigtramp to
shnbsd_pc_in_sigtramp.
* sparcnbsd-tdep.c (sparcnbsd_init_abi_elf): Set
gdbarch_pc_in_sigtramp to nbsd_pc_in_sigtramp.
* config/mips/nbsd.mt (TDEPFILES): Add nbsd-tdep.o.

gdb/ChangeLog

@@ -1,3 +1,25 @@
+2002-08-31  Jason Thorpe  <thorpej@wasabisystems.com>
+
+	* Makefile.in (mipsnbsd-tdep.o): Add nbsd-tdep.h to dependency
+	list.
+	(nbsd-tdep.o): Add $(gdb_string_h) to dependency list. 
+	* alphanbsd-tdep.c (alphanbsd_pc_in_sigtramp): Use
+	nbsd_pc_in_sigtramp. 
+	* mipsnbsd-tdep.c: Include nbsd-tdep.h.
+	(mipsnbsd_pc_in_sigtramp): Use nbsd_pc_in_sigtramp.
+	* nbsd-tdep.c: Include gdb_string.h.
+	(nbsd_pc_in_sigtramp): New function. 
+	* nbsd-tdep.h (nbsd_pc_in_sigtramp): New prototype. 
+	* ppcnbsd-tdep.c (ppcnbsd_pc_in_sigtramp): New function.
+	(ppcnbsd_init_abi): Set gdbarch_pc_in_sigtramp to
+	ppcnbsd_pc_in_sigtramp. 
+	* shnbsd-tdep.c (shnbsd_pc_in_sigtramp): New function.
+	(shnbsd_init_abi): Set gdbarch_pc_in_sigtramp to
+	shnbsd_pc_in_sigtramp. 
+	* sparcnbsd-tdep.c (sparcnbsd_init_abi_elf): Set
+	gdbarch_pc_in_sigtramp to nbsd_pc_in_sigtramp. 
+	* config/mips/nbsd.mt (TDEPFILES): Add nbsd-tdep.o.
+
 2002-08-30  Pierre Muller  <muller@ics.u-strasbg.fr>
 
 	* breakpoint.c (breakpoint_init_inferior): Reset the val field of

gdb/Makefile.in

@@ -1905,7 +1905,8 @@ mipsm3-nat.o: mipsm3-nat.c $(defs_h) $(inferior_h) $(regcache_h)
 mipsnbsd-nat.o: mipsnbsd-nat.c $(defs_h) $(inferior_h) $(regcache_h) \
 	$(mipsnbsd_tdep_h)
 mipsnbsd-tdep.o: mipsnbsd-tdep.c $(defs_h) $(gdbcore_h) $(regcache_h) \
-	$(target_h) $(value_h) $(osabi_h) $(mipsnbsd_tdep_h) $(solib_svr4_h)
+	$(target_h) $(value_h) $(osabi_h) $(mipsnbsd_tdep_h) $(solib_svr4_h) \
+	nbsd-tdep.h
 mipsread.o: mipsread.c $(defs_h) $(gdb_string_h) $(bfd_h) $(symtab_h) \
 	$(symfile_h) $(objfiles_h) $(buildsym_h) $(stabsread_h) \
 	$(coff_sym_h) $(coff_internal_h) $(coff_ecoff_h) $(libcoff_h) \
@@ -1924,7 +1925,7 @@ mon960-rom.o: mon960-rom.c $(defs_h) $(gdbcore_h) $(target_h) $(monitor_h) \
 monitor.o: monitor.c $(defs_h) $(gdbcore_h) $(target_h) $(gdb_string_h) \
 	$(command_h) $(serial_h) $(monitor_h) $(gdbcmd_h) $(inferior_h) \
 	$(gdb_regex_h) $(srec_h) $(regcache_h)
-nbsd-tdep.o: nbsd-tdep.c $(defs_h) $(solib_svr4_h)
+nbsd-tdep.o: nbsd-tdep.c $(defs_h) $(gdb_string_h) $(solib_svr4_h)
 nindy-tdep.o: nindy-tdep.c $(defs_h) $(symtab_h) $(frame_h) $(gdbcore_h)
 nlmread.o: nlmread.c $(defs_h) $(bfd_h) $(symtab_h) $(symfile_h) \
 	$(objfiles_h) $(buildsym_h) $(stabsread_h)

gdb/alphanbsd-tdep.c

@@ -178,7 +178,8 @@ alphanbsd_sigtramp_offset (CORE_ADDR pc)
 static int
 alphanbsd_pc_in_sigtramp (CORE_ADDR pc, char *func_name)
 {
-  return (alphanbsd_sigtramp_offset (pc) >= 0);
+  return (nbsd_pc_in_sigtramp (pc, func_name)
+	  || alphanbsd_sigtramp_offset (pc) >= 0);
 }
 
 static void

gdb/config/mips/nbsd.mt

@@ -1,5 +1,6 @@
 # Target: MIPS running NetBSD
-TDEPFILES= mips-tdep.o mipsnbsd-tdep.o corelow.o solib.o solib-svr4.o
+TDEPFILES= mips-tdep.o mipsnbsd-tdep.o corelow.o solib.o solib-svr4.o \
+	nbsd-tdep.o
 TM_FILE= tm-nbsd.h
 
 SIM_OBS = remote-sim.o

gdb/mipsnbsd-tdep.c

@@ -26,6 +26,7 @@
 #include "value.h"
 #include "osabi.h"
 
+#include "nbsd-tdep.h"
 #include "mipsnbsd-tdep.h"
 
 #include "solib-svr4.h"
@@ -219,7 +220,8 @@ mipsnbsd_sigtramp_offset (CORE_ADDR pc)
 static int
 mipsnbsd_pc_in_sigtramp (CORE_ADDR pc, char *func_name)
 {
-  return (mipsnbsd_sigtramp_offset (pc) >= 0);
+  return (nbsd_pc_in_sigtramp (pc, func_name)
+	  || mipsnbsd_sigtramp_offset (pc) >= 0);
 }
 
 /* Figure out where the longjmp will land.  We expect that we have

gdb/nbsd-tdep.c

@@ -20,6 +20,7 @@
    Boston, MA 02111-1307, USA.  */
 
 #include "defs.h"
+#include "gdb_string.h"
 #include "solib-svr4.h"
 
 /* Fetch (and possibly build) an appropriate link_map_offsets
@@ -96,3 +97,13 @@ nbsd_lp64_solib_svr4_fetch_link_map_offsets (void)
 
   return lmp;
 }
+
+int
+nbsd_pc_in_sigtramp (CORE_ADDR pc, char *func_name)
+{
+  /* Check for libc-provided signal trampoline.  All such trampolines
+     have function names which begin with "__sigtramp".  */
+
+  return (func_name != NULL
+	  && strncmp (func_name, "__sigtramp", 10) == 0);
+}

gdb/nbsd-tdep.h

@@ -25,4 +25,6 @@
 struct link_map_offsets *nbsd_ilp32_solib_svr4_fetch_link_map_offsets (void);
 struct link_map_offsets *nbsd_lp64_solib_svr4_fetch_link_map_offsets (void);
 
+int nbsd_pc_in_sigtramp (CORE_ADDR, char *);
+
 #endif /* NBSD_TDEP_H */

gdb/ppcnbsd-tdep.c

@@ -196,6 +196,13 @@ static struct core_fns ppcnbsd_elfcore_fns =
   NULL					/* next */
 };
 
+static int
+ppcnbsd_pc_in_sigtramp (CORE_ADDR pc, char *func_name)
+{
+  /* FIXME: Need to add support for kernel-provided signal trampolines.  */
+  return (nbsd_pc_in_sigtramp (pc, func_name));
+}
+
 static void
 ppcnbsd_init_abi (struct gdbarch_info info,
                   struct gdbarch *gdbarch)
@@ -203,6 +210,8 @@ ppcnbsd_init_abi (struct gdbarch_info info,
   /* Stop at main.  */
   set_gdbarch_frame_chain_valid (gdbarch, generic_func_frame_chain_valid);
 
+  set_gdbarch_pc_in_sigtramp (gdbarch, ppcnbsd_pc_in_sigtramp);
+
   set_solib_svr4_fetch_link_map_offsets (gdbarch,
                                 nbsd_ilp32_solib_svr4_fetch_link_map_offsets);
 }

gdb/shnbsd-tdep.c

@@ -165,10 +165,19 @@ static struct core_fns shnbsd_elfcore_fns =
   NULL					/* next */
 };
 
+static int
+shnbsd_pc_in_sigtramp (CORE_ADDR pc, char *func_name)
+{
+  /* FIXME: Need to add support for kernel-provided signal trampolines.  */
+  return (nbsd_pc_in_sigtramp (pc, func_name));
+}
+
 static void
 shnbsd_init_abi (struct gdbarch_info info,
                   struct gdbarch *gdbarch)
 {
+  set_gdbarch_pc_in_sigtramp (gdbarch, shnbsd_pc_in_sigtramp);
+
   set_solib_svr4_fetch_link_map_offsets (gdbarch,
 		                nbsd_ilp32_solib_svr4_fetch_link_map_offsets);
 }

gdb/sparcnbsd-tdep.c

@@ -500,6 +500,8 @@ sparcnbsd_init_abi_elf (struct gdbarch_info info,
 {
   sparcnbsd_init_abi_common (info, gdbarch);
 
+  set_gdbarch_pc_in_sigtramp (gdbarch, nbsd_pc_in_sigtramp);
+
   set_solib_svr4_fetch_link_map_offsets (gdbarch,
 				         gdbarch_ptr_bit (gdbarch) == 32 ?
                                 nbsd_ilp32_solib_svr4_fetch_link_map_offsets :