2013-02-04 Sergio Durigan Junior <sergiodj@redhat.com>

	    Pedro Alves  <palves@redhat.com>

	* Makefile.in (SOURCE_HFILES): Add `elf-linux-psinfo.h'.
	* elf-bfd.h (elf_internal_linux_prpsinfo): New structure
	declaration.
	(elfcore_write_linux_prpsinfo32, elfcore_write_linux_prpsinfo64)
	(elfcore_write_ppc32_linux_prpsinfo32): New declarations.
	* elf-linux-psinfo.h: New file.
	* elf.c: Include elf-linux-psinfo.h.
	(elfcore_write_linux_prpsinfo32, elfcore_write_linux_prpsinfo64):
	New functions.
	* elf32-ppc.c: Include `elf-linux-psinfo.h'.
	(elf_external_ppc_linux_prpsinfo32): New structure declaration.
	(PPC_LINUX_PRPSINFO32_SWAP_FIELDS): New macro.
	(elfcore_write_ppc_linux_prpsinfo32): New function.

1 files changed, 127 insertions, 0 deletions

diff --git a/bfd/elf-linux-psinfo.h b/bfd/elf-linux-psinfo.h
new file mode 100644
index 00000000000..c9652844ea2
--- /dev/null
+++ b/bfd/elf-linux-psinfo.h
@@ -0,0 +1,127 @@
+/* Definitions for PRPSINFO structures under ELF on GNU/Linux.
+   Copyright 2013 Free Software Foundation, Inc.
+
+   This file is part of BFD, the Binary File Descriptor library.
+
+   This program is free software; you can redistribute it and/or modify
+   it under the terms of the GNU General Public License as published by
+   the Free Software Foundation; either version 3 of the License, or
+   (at your option) any later version.
+
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
+
+   You should have received a copy of the GNU General Public License
+   along with this program; if not, write to the Free Software
+   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
+   MA 02110-1301, USA.  */
+
+#ifndef ELF_LINUX_PSINFO_H
+#define ELF_LINUX_PSINFO_H
+
+/* The PRPSINFO structures defined below are used by most
+   architectures, although some of them define their own versions
+   (like e.g., PPC).  */
+
+/* External 32-bit structure for PRPSINFO.  This structure is
+   ABI-defined, thus we choose to use char arrays here in order to
+   avoid dealing with different types in different architectures.
+
+   This structure will ultimately be written in the corefile's note
+   section, as the PRPSINFO.  */
+
+struct elf_external_linux_prpsinfo32
+  {
+    char pr_state;			/* Numeric process state.  */
+    char pr_sname;			/* Char for pr_state.  */
+    char pr_zomb;			/* Zombie.  */
+    char pr_nice;			/* Nice val.  */
+    char pr_flag[4];			/* Flags.  */
+    char pr_uid[2];
+    char pr_gid[2];
+    char pr_pid[4];
+    char pr_ppid[4];
+    char pr_pgrp[4];
+    char pr_sid[4];
+    char pr_fname[16];			/* Filename of executable.  */
+    char pr_psargs[80];			/* Initial part of arg list.  */
+  };
+
+/* Helper macro to swap (properly handling endianess) things from the
+   `elf_internal_linux_prpsinfo' structure to the
+   `elf_external_linux_prpsinfo32' structure.
+
+   Note that FROM should be a pointer, and TO should be the explicit
+   type.  */
+
+#define LINUX_PRPSINFO32_SWAP_FIELDS(abfd, from, to)			\
+  do									\
+    {									\
+      H_PUT_8 (abfd, from->pr_state, &to.pr_state);			\
+      H_PUT_8 (abfd, from->pr_sname, &to.pr_sname);			\
+      H_PUT_8 (abfd, from->pr_zomb, &to.pr_zomb);			\
+      H_PUT_8 (abfd, from->pr_nice, &to.pr_nice);			\
+      H_PUT_32 (abfd, from->pr_flag, to.pr_flag);			\
+      H_PUT_16 (abfd, from->pr_uid, to.pr_uid);				\
+      H_PUT_16 (abfd, from->pr_gid, to.pr_gid);				\
+      H_PUT_32 (abfd, from->pr_pid, to.pr_pid);				\
+      H_PUT_32 (abfd, from->pr_ppid, to.pr_ppid);			\
+      H_PUT_32 (abfd, from->pr_pgrp, to.pr_pgrp);			\
+      H_PUT_32 (abfd, from->pr_sid, to.pr_sid);				\
+      strncpy (to.pr_fname, from->pr_fname, sizeof (to.pr_fname));	\
+      strncpy (to.pr_psargs, from->pr_psargs, sizeof (to.pr_psargs));	\
+    } while (0)
+
+/* External 64-bit structure for PRPSINFO.  This structure is
+   ABI-defined, thus we choose to use char arrays here in order to
+   avoid dealing with different types in different architectures.
+
+   This structure will ultimately be written in the corefile's note
+   section, as the PRPSINFO.  */
+
+struct elf_external_linux_prpsinfo64
+  {
+    char pr_state;			/* Numeric process state.  */
+    char pr_sname;			/* Char for pr_state.  */
+    char pr_zomb;			/* Zombie.  */
+    char pr_nice;			/* Nice val.  */
+    char pr_flag[8];			/* Flags.  */
+    char gap[4];
+    char pr_uid[4];
+    char pr_gid[4];
+    char pr_pid[4];
+    char pr_ppid[4];
+    char pr_pgrp[4];
+    char pr_sid[4];
+    char pr_fname[16];			/* Filename of executable.  */
+    char pr_psargs[80];			/* Initial part of arg list.  */
+  };
+
+/* Helper macro to swap (properly handling endianess) things from the
+   `elf_internal_linux_prpsinfo' structure to the
+   `elf_external_linux_prpsinfo64' structure.
+
+   Note that FROM should be a pointer, and TO should be the explicit
+   type.  */
+
+#define LINUX_PRPSINFO64_SWAP_FIELDS(abfd, from, to)			\
+  do									\
+    {									\
+      H_PUT_8 (abfd, from->pr_state, &to.pr_state);			\
+      H_PUT_8 (abfd, from->pr_sname, &to.pr_sname);			\
+      H_PUT_8 (abfd, from->pr_zomb, &to.pr_zomb);			\
+      H_PUT_8 (abfd, from->pr_nice, &to.pr_nice);			\
+      H_PUT_64 (abfd, from->pr_flag, to.pr_flag);			\
+      H_PUT_32 (abfd, from->pr_uid, to.pr_uid);				\
+      H_PUT_32 (abfd, from->pr_gid, to.pr_gid);				\
+      H_PUT_32 (abfd, from->pr_pid, to.pr_pid);				\
+      H_PUT_32 (abfd, from->pr_ppid, to.pr_ppid);			\
+      H_PUT_32 (abfd, from->pr_pgrp, to.pr_pgrp);			\
+      H_PUT_32 (abfd, from->pr_sid, to.pr_sid);				\
+      strncpy (to.pr_fname, from->pr_fname, sizeof (to.pr_fname));	\
+      strncpy (to.pr_psargs, from->pr_psargs, sizeof (to.pr_psargs));	\
+    } while (0)
+
+#endif