* gdbtypes.c (get_discrete_bounds): Fix a comment typo.

[deliverable/binutils-gdb.git] / gdb / i386nbsd-tdep.c

diff --git a/gdb/i386nbsd-tdep.c b/gdb/i386nbsd-tdep.c
index 9fd98839db9b4c0bd4893d036e81f8fab4a46c73..dfe240bd5a04477addf4a1720015b4cb63833252 100644 (file)
--- a/gdb/i386nbsd-tdep.c
+++ b/gdb/i386nbsd-tdep.c
@@ -64,7 +64,7 @@ i386nbsd_aout_supply_regset (const struct regset *regset,
                             struct regcache *regcache, int regnum,
                             const void *regs, size_t len)
 {
-  const struct gdbarch_tdep *tdep = regset->descr;
+  const struct gdbarch_tdep *tdep = gdbarch_tdep (regset->arch);
 
   gdb_assert (len >= tdep->sizeof_gregset + I387_SIZEOF_FSAVE);
 
@@ -86,11 +86,8 @@ i386nbsd_aout_regset_from_core_section (struct gdbarch *gdbarch,
       && sect_size >= tdep->sizeof_gregset + I387_SIZEOF_FSAVE)
     {
       if (tdep->gregset == NULL)
-       {
-         tdep->gregset = XMALLOC (struct regset);
-         tdep->gregset->descr = tdep;
-         tdep->gregset->supply_regset = i386nbsd_aout_supply_regset;
-       }
+        tdep->gregset =
+         regset_alloc (gdbarch, i386nbsd_aout_supply_regset, NULL);
       return tdep->gregset;
     }
 
@@ -135,13 +132,14 @@ static const unsigned char sigtramp_retcode[] =
 };
 
 static LONGEST
-i386nbsd_sigtramp_offset (CORE_ADDR pc)
+i386nbsd_sigtramp_offset (struct frame_info *next_frame)
 {
+  CORE_ADDR pc = frame_pc_unwind (next_frame);
   unsigned char ret[sizeof(sigtramp_retcode)], insn;
   LONGEST off;
   int i;
 
-  if (read_memory_nobpt (pc, &insn, 1) != 0)
+  if (!safe_frame_unwind_memory (next_frame, pc, &insn, 1))
     return -1;
 
   switch (insn)
@@ -153,7 +151,7 @@ i386nbsd_sigtramp_offset (CORE_ADDR pc)
     case RETCODE_INSN2:
       /* INSN2 and INSN3 are the same.  Read at the location of PC+1
         to determine if we're actually looking at INSN2 or INSN3.  */
-      if (read_memory_nobpt (pc + 1, &insn, 1) != 0)
+      if (!safe_frame_unwind_memory (next_frame, pc + 1, &insn, 1))
        return -1;
 
       if (insn == RETCODE_INSN3)
@@ -176,7 +174,7 @@ i386nbsd_sigtramp_offset (CORE_ADDR pc)
 
   pc -= off;
 
-  if (read_memory_nobpt (pc, (char *) ret, sizeof (ret)) != 0)
+  if (!safe_frame_unwind_memory (next_frame, pc, ret, sizeof (ret)))
     return -1;
 
   if (memcmp (ret, sigtramp_retcode, sizeof (ret)) == 0)
@@ -196,7 +194,7 @@ i386nbsd_sigtramp_p (struct frame_info *next_frame)
 
   find_pc_partial_function (pc, &name, NULL, NULL);
   return (nbsd_pc_in_sigtramp (pc, name)
-         || i386nbsd_sigtramp_offset (pc) >= 0);
+         || i386nbsd_sigtramp_offset (next_frame) >= 0);
 }
 
 /* From <machine/signal.h>.  */
@@ -273,8 +271,6 @@ i386nbsdelf_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
   i386_elf_init_abi (info, gdbarch);
 
   /* NetBSD ELF uses SVR4-style shared libraries.  */
-  set_gdbarch_in_solib_call_trampoline
-    (gdbarch, generic_in_solib_call_trampoline);
   set_solib_svr4_fetch_link_map_offsets
     (gdbarch, svr4_ilp32_fetch_link_map_offsets);