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authorSergio Durigan Junior <sergiodj@redhat.com>2013-02-04 18:26:34 +0000
committerSergio Durigan Junior <sergiodj@redhat.com>2013-02-04 18:26:34 +0000
commit70a38d42c5b3fdc03acd4faef4149f5f2e8a0fb4 (patch)
tree525fc36f46d8e714ddd70c291ceb77f255cf36f3 /bfd/elf32-ppc.c
parent176eb98c2f159084863a303f417803dd6736f16f (diff)
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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.
Diffstat (limited to 'bfd/elf32-ppc.c')
-rw-r--r--bfd/elf32-ppc.c66
1 files changed, 66 insertions, 0 deletions
diff --git a/bfd/elf32-ppc.c b/bfd/elf32-ppc.c
index 3f4e4bf..bf14206 100644
--- a/bfd/elf32-ppc.c
+++ b/bfd/elf32-ppc.c
@@ -37,6 +37,7 @@
#include "elf32-ppc.h"
#include "elf-vxworks.h"
#include "dwarf2.h"
+#include "elf-linux-psinfo.h"
typedef enum split16_format_type
{
@@ -1777,6 +1778,58 @@ static reloc_howto_type ppc_elf_howto_raw[] = {
0xffff, /* dst_mask */
FALSE), /* pcrel_offset */
};
+
+/* External 32-bit PPC 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.
+
+ The PPC 32-bit structure uses int for `pr_uid' and `pr_gid' while
+ most non-PPC architectures use `short int'.
+
+ This structure will ultimately be written in the corefile's note
+ section, as the PRPSINFO. */
+
+struct elf_external_ppc_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[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_prpsinfo' structure to the `elf_external_ppc_prpsinfo32'
+ structure.
+
+ Note that FROM should be a pointer, and TO should be the explicit type. */
+
+#define PPC_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_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)
+
/* Initialize the ppc_elf_howto_table, so that linear accesses can be done. */
@@ -2212,6 +2265,19 @@ ppc_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
return TRUE;
}
+char *
+elfcore_write_ppc_linux_prpsinfo32 (bfd *abfd, char *buf, int *bufsiz,
+ const struct elf_internal_linux_prpsinfo *prpsinfo)
+{
+ struct elf_external_ppc_linux_prpsinfo32 data;
+
+ memset (&data, 0, sizeof (data));
+ PPC_LINUX_PRPSINFO32_SWAP_FIELDS (abfd, prpsinfo, data);
+
+ return elfcore_write_note (abfd, buf, bufsiz,
+ "CORE", NT_PRPSINFO, &data, sizeof (data));
+}
+
static char *
ppc_elf_write_core_note (bfd *abfd, char *buf, int *bufsiz, int note_type, ...)
{