Suport x32 gcore.

[external/binutils.git] / bfd / elf64-x86-64.c

diff --git a/bfd/elf64-x86-64.c b/bfd/elf64-x86-64.c
index de65197..23b5559 100644 (file)
--- a/bfd/elf64-x86-64.c
+++ b/bfd/elf64-x86-64.c
@@ -32,6 +32,11 @@
 
 #include "elf/x86-64.h"
 
+#ifdef CORE_HEADER
+#include <stdarg.h>
+#include CORE_HEADER
+#endif
+
 /* In case we're on a 32-bit machine, construct a 64-bit "-1" value.  */
 #define MINUS_ONE (~ (bfd_vma) 0)
 
@@ -385,6 +390,99 @@ elf_x86_64_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
 
   return TRUE;
 }
+
+#ifdef CORE_HEADER
+static char *
+elf_x86_64_write_core_note (bfd *abfd, char *buf, int *bufsiz,
+                           int note_type, ...)
+{
+  const struct elf_backend_data *bed = get_elf_backend_data (abfd);
+  const void *p;
+  int size;
+  va_list ap;
+  const char *fname, *psargs;
+  long pid;
+  int cursig;
+  const void *gregs;
+
+  switch (note_type)
+    {
+    default:
+      return NULL;
+
+    case NT_PRPSINFO:
+      va_start (ap, note_type);
+      fname = va_arg (ap, const char *);
+      psargs = va_arg (ap, const char *);
+      va_end (ap);
+
+      if (bed->s->elfclass == ELFCLASS32)
+       {
+         prpsinfo32_t data;
+         memset (&data, 0, sizeof (data));
+         strncpy (data.pr_fname, fname, sizeof (data.pr_fname));
+         strncpy (data.pr_psargs, psargs, sizeof (data.pr_psargs));
+         p = (const void *) &data;
+         size = sizeof (data);
+       }
+      else
+       {
+         prpsinfo_t data;
+         memset (&data, 0, sizeof (data));
+         strncpy (data.pr_fname, fname, sizeof (data.pr_fname));
+         strncpy (data.pr_psargs, psargs, sizeof (data.pr_psargs));
+         p = (const void *) &data;
+         size = sizeof (data);
+       }
+      break;
+
+    case NT_PRSTATUS:
+      va_start (ap, note_type);
+      pid = va_arg (ap, long);
+      cursig = va_arg (ap, int);
+      gregs = va_arg (ap, const void *);
+      va_end (ap);
+
+      if (bed->s->elfclass == ELFCLASS32)
+       {
+         if (bed->elf_machine_code == EM_X86_64)
+           {
+             prstatusx32_t prstat;
+             memset (&prstat, 0, sizeof (prstat));
+             prstat.pr_pid = pid;
+             prstat.pr_cursig = cursig;
+             memcpy (&prstat.pr_reg, gregs, sizeof (prstat.pr_reg));
+             p = (const void *) &prstat;
+             size = sizeof (prstat);
+           }
+         else
+           {
+             prstatus32_t prstat;
+             memset (&prstat, 0, sizeof (prstat));
+             prstat.pr_pid = pid;
+             prstat.pr_cursig = cursig;
+             memcpy (&prstat.pr_reg, gregs, sizeof (prstat.pr_reg));
+             p = (const void *) &prstat;
+             size = sizeof (prstat);
+           }
+       }
+      else
+       {
+         prstatus_t prstat;
+         memset (&prstat, 0, sizeof (prstat));
+         prstat.pr_pid = pid;
+         prstat.pr_cursig = cursig;
+         memcpy (&prstat.pr_reg, gregs, sizeof (prstat.pr_reg));
+         p = (const void *) &prstat;
+         size = sizeof (prstat);
+       }
+      break;
+    }
+
+  return elfcore_write_note (abfd, buf, bufsiz, "CORE", note_type, p,
+                            size);
+}
+#endif
 \f
 /* Functions for the x86-64 ELF linker.         */
 
@@ -4711,6 +4809,9 @@ static const struct bfd_elf_special_section
 #define elf_backend_gc_sweep_hook          elf_x86_64_gc_sweep_hook
 #define elf_backend_grok_prstatus          elf_x86_64_grok_prstatus
 #define elf_backend_grok_psinfo                    elf_x86_64_grok_psinfo
+#ifdef CORE_HEADER
+#define elf_backend_write_core_note        elf_x86_64_write_core_note
+#endif
 #define elf_backend_reloc_type_class       elf_x86_64_reloc_type_class
 #define elf_backend_relocate_section       elf_x86_64_relocate_section
 #define elf_backend_size_dynamic_sections   elf_x86_64_size_dynamic_sections