From: Yufeng Zhang <yufeng.zhang@arm.com>
Date: Thu, 6 Dec 2012 15:56:38 +0000 (+0000)
Subject: bfd/
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=cd6fa7fd8801453ab5caef588fc772d14cb1ee9a;p=binutils-gdb.git

bfd/

2012-12-06  Yufeng Zhang  <yufeng.zhang@arm.com>

	* elf64-aarch64.c (elf64_aarch64_grok_prstatus): New function.
	(elf_backend_grok_prstatus): Define to elf64_aarch64_grok_prstatus.
---

diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 3b91a8556cc..1b6e9654cc2 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,3 +1,8 @@
+2012-12-06  Yufeng Zhang  <yufeng.zhang@arm.com>
+
+	* elf64-aarch64.c (elf64_aarch64_grok_prstatus): New function.
+	(elf_backend_grok_prstatus): Define to elf64_aarch64_grok_prstatus.
+
 2012-12-06  Alan Modra  <amodra@gmail.com>
 
 	* elfxx-mips.c (allocate_dynrelocs): Correct test for symbol
diff --git a/bfd/elf64-aarch64.c b/bfd/elf64-aarch64.c
index 423fb9b31e8..708b3628a3d 100644
--- a/bfd/elf64-aarch64.c
+++ b/bfd/elf64-aarch64.c
@@ -1516,11 +1516,47 @@ elf64_aarch64_reloc_name_lookup (bfd *abfd ATTRIBUTE_UNUSED,
   return NULL;
 }
 
+/* Support for core dump NOTE sections.  */
+
+static bfd_boolean
+elf64_aarch64_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
+{
+  int offset;
+  size_t size;
+
+  switch (note->descsz)
+    {
+      default:
+	return FALSE;
+
+      case 408:		/* sizeof(struct elf_prstatus) on Linux/arm64.  */
+	/* pr_cursig */
+	elf_tdata (abfd)->core_signal
+	  = bfd_get_16 (abfd, note->descdata + 12);
+
+	/* pr_pid */
+	elf_tdata (abfd)->core_lwpid
+	  = bfd_get_32 (abfd, note->descdata + 32);
+
+	/* pr_reg */
+	offset = 112;
+	size = 288;
+
+	break;
+    }
+
+  /* Make a ".reg/999" section.  */
+  return _bfd_elfcore_make_pseudosection (abfd, ".reg",
+					  size, note->descpos + offset);
+}
+
 #define TARGET_LITTLE_SYM               bfd_elf64_littleaarch64_vec
 #define TARGET_LITTLE_NAME              "elf64-littleaarch64"
 #define TARGET_BIG_SYM                  bfd_elf64_bigaarch64_vec
 #define TARGET_BIG_NAME                 "elf64-bigaarch64"
 
+#define elf_backend_grok_prstatus	elf64_aarch64_grok_prstatus
+
 typedef unsigned long int insn32;
 
 /* The linker script knows the section names for placement.