2003-02-02 Andrew Cagney <ac131313@redhat.com>

[deliverable/binutils-gdb.git] / gdb / lynx-nat.c

diff --git a/gdb/lynx-nat.c b/gdb/lynx-nat.c
index 37edc2bcb5cc3a7fb55f5f772cc4cdfcca3c2554..b5cb29a630ac56d88d952702f08d57d8c3f08aa0 100644 (file)
--- a/gdb/lynx-nat.c
+++ b/gdb/lynx-nat.c
@@ -282,7 +282,7 @@ fetch_inferior_registers (int regno)
   if (whatregs & WHATREGS_GEN)
     {
       struct econtext ec;      /* general regs */
-      char buf[MAX_REGISTER_RAW_SIZE];
+      char *buf = alloca (max_register_size (current_gdbarch));
       int retval;
       int i;
 
@@ -510,29 +510,31 @@ fetch_inferior_registers (int regno)
 
   ecp = registers_addr (PIDGET (inferior_ptid));
 
-  for (regno = reglo; regno <= reghi; regno++)
-    {
-      char buf[MAX_REGISTER_RAW_SIZE];
-      int ptrace_fun = PTRACE_PEEKTHREAD;
-
+  {
+    char *buf = alloca (max_register_size (current_gdbarch));
+    for (regno = reglo; regno <= reghi; regno++)
+      {
+       int ptrace_fun = PTRACE_PEEKTHREAD;
+       
 #ifdef M68K
-      ptrace_fun = regno == SP_REGNUM ? PTRACE_PEEKUSP : PTRACE_PEEKTHREAD;
+       ptrace_fun = regno == SP_REGNUM ? PTRACE_PEEKUSP : PTRACE_PEEKTHREAD;
 #endif
-
-      for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int))
-       {
-         unsigned int reg;
-
-         errno = 0;
-         reg = ptrace (ptrace_fun, PIDGET (inferior_ptid),
-                       (PTRACE_ARG3_TYPE) (ecp + regmap[regno] + i), 0);
-         if (errno)
-           perror_with_name ("ptrace(PTRACE_PEEKUSP)");
-
-         *(int *) &buf[i] = reg;
-       }
-      supply_register (regno, buf);
-    }
+       
+       for (i = 0; i < REGISTER_RAW_SIZE (regno); i += sizeof (int))
+         {
+           unsigned int reg;
+           
+           errno = 0;
+           reg = ptrace (ptrace_fun, PIDGET (inferior_ptid),
+                         (PTRACE_ARG3_TYPE) (ecp + regmap[regno] + i), 0);
+           if (errno)
+             perror_with_name ("ptrace(PTRACE_PEEKUSP)");
+           
+           *(int *) &buf[i] = reg;
+         }
+       supply_register (regno, buf);
+      }
+  }
 }
 
 /* Store our register values back into the inferior.