build as needed

[platform/upstream/binutils.git] / gdb / rs6000-tdep.c

diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c
index 58afc53..dabf448 100644 (file)
--- a/gdb/rs6000-tdep.c
+++ b/gdb/rs6000-tdep.c
@@ -20,6 +20,7 @@
 #include "defs.h"
 #include "frame.h"
 #include "inferior.h"
+#include "infrun.h"
 #include "symtab.h"
 #include "target.h"
 #include "gdbcore.h"
@@ -54,7 +55,6 @@
 #include "ppc-tdep.h"
 #include "ppc-ravenscar-thread.h"
 
-#include "gdb_assert.h"
 #include "dis-asm.h"
 
 #include "trad-frame.h"
@@ -505,7 +505,7 @@ ppc_supply_gregset (const struct regset *regset, struct regcache *regcache,
 {
   struct gdbarch *gdbarch = get_regcache_arch (regcache);
   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
-  const struct ppc_reg_offsets *offsets = regset->descr;
+  const struct ppc_reg_offsets *offsets = regset->regmap;
   size_t offset;
   int regsize;
 
@@ -557,7 +557,7 @@ ppc_supply_fpregset (const struct regset *regset, struct regcache *regcache,
     return;
 
   tdep = gdbarch_tdep (gdbarch);
-  offsets = regset->descr;
+  offsets = regset->regmap;
   if (regnum == -1)
     {
       int i;
@@ -625,7 +625,7 @@ ppc_supply_vrregset (const struct regset *regset, struct regcache *regcache,
     return;
 
   tdep = gdbarch_tdep (gdbarch);
-  offsets = regset->descr;
+  offsets = regset->regmap;
   if (regnum == -1)
     {
       int i;
@@ -664,7 +664,7 @@ ppc_collect_gregset (const struct regset *regset,
 {
   struct gdbarch *gdbarch = get_regcache_arch (regcache);
   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
-  const struct ppc_reg_offsets *offsets = regset->descr;
+  const struct ppc_reg_offsets *offsets = regset->regmap;
   size_t offset;
   int regsize;
 
@@ -718,7 +718,7 @@ ppc_collect_fpregset (const struct regset *regset,
     return;
 
   tdep = gdbarch_tdep (gdbarch);
-  offsets = regset->descr;
+  offsets = regset->regmap;
   if (regnum == -1)
     {
       int i;
@@ -791,7 +791,7 @@ ppc_collect_vrregset (const struct regset *regset,
     return;
 
   tdep = gdbarch_tdep (gdbarch);
-  offsets = regset->descr;
+  offsets = regset->regmap;
   if (regnum == -1)
     {
       int i;
@@ -2169,9 +2169,9 @@ rs6000_skip_main_prologue (struct gdbarch *gdbarch, CORE_ADDR pc)
          to __eabi in case the GCC option "-fleading-underscore" was
         used to compile the program.  */
       if (s.minsym != NULL
-          && SYMBOL_LINKAGE_NAME (s.minsym) != NULL
-         && (strcmp (SYMBOL_LINKAGE_NAME (s.minsym), "__eabi") == 0
-             || strcmp (SYMBOL_LINKAGE_NAME (s.minsym), "___eabi") == 0))
+          && MSYMBOL_LINKAGE_NAME (s.minsym) != NULL
+         && (strcmp (MSYMBOL_LINKAGE_NAME (s.minsym), "__eabi") == 0
+             || strcmp (MSYMBOL_LINKAGE_NAME (s.minsym), "___eabi") == 0))
        pc += 4;
     }
   return pc;
@@ -2255,7 +2255,7 @@ rs6000_skip_trampoline_code (struct frame_info *frame, CORE_ADDR pc)
   msymbol = lookup_minimal_symbol_by_pc (pc);
   if (msymbol.minsym
       && rs6000_in_solib_return_trampoline (gdbarch, pc,
-                                           SYMBOL_LINKAGE_NAME (msymbol.minsym)))
+                                           MSYMBOL_LINKAGE_NAME (msymbol.minsym)))
     {
       /* Double-check that the third instruction from PC is relative "b".  */
       op = read_memory_integer (pc + 8, 4, byte_order);
@@ -3190,9 +3190,14 @@ rs6000_frame_cache (struct frame_info *this_frame, void **this_cache)
     }
 
   if (!fdata.frameless)
-    /* Frameless really means stackless.  */
-    cache->base
-      = read_memory_unsigned_integer (cache->base, wordsize, byte_order);
+    {
+      /* Frameless really means stackless.  */
+      LONGEST backchain;
+
+      if (safe_read_memory_integer (cache->base, wordsize,
+                                   byte_order, &backchain))
+        cache->base = (CORE_ADDR) backchain;
+    }
 
   trad_frame_set_value (cache->saved_regs,
                        gdbarch_sp_regnum (gdbarch), cache->base);
@@ -3257,12 +3262,14 @@ rs6000_frame_cache (struct frame_info *this_frame, void **this_cache)
        {
          int i;
          CORE_ADDR ev_addr = cache->base + fdata.ev_offset;
+         CORE_ADDR off = (byte_order == BFD_ENDIAN_BIG ? 4 : 0);
+
          for (i = fdata.saved_ev; i < ppc_num_gprs; i++)
            {
              cache->saved_regs[tdep->ppc_ev0_regnum + i].addr = ev_addr;
-              cache->saved_regs[tdep->ppc_gp0_regnum + i].addr = ev_addr + 4;
+             cache->saved_regs[tdep->ppc_gp0_regnum + i].addr = ev_addr + off;
              ev_addr += register_size (gdbarch, tdep->ppc_ev0_regnum);
-            }
+           }
        }
     }
 
@@ -3652,10 +3659,6 @@ rs6000_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
        "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23",
        "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31"
       };
-      static const char *const segment_regs[] = {
-       "sr0", "sr1", "sr2", "sr3", "sr4", "sr5", "sr6", "sr7",
-       "sr8", "sr9", "sr10", "sr11", "sr12", "sr13", "sr14", "sr15"
-      };
       const struct tdesc_feature *feature;
       int i, valid_p;
       static const char *const msr_names[] = { "msr", "ps" };