diff options
| -rw-r--r-- | bfd/ChangeLog | 17 | ||||
| -rw-r--r-- | bfd/Makefile.in | 2 | ||||
| -rw-r--r-- | bfd/elf-bfd.h | 36 | ||||
| -rw-r--r-- | bfd/elf-linux-psinfo.h | 127 | ||||
| -rw-r--r-- | bfd/elf.c | 29 | ||||
| -rw-r--r-- | bfd/elf32-ppc.c | 66 |
6 files changed, 276 insertions, 1 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index ab40902..2571de3 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,20 @@ +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. + 2013-02-04 Tristan Gingold <gingold@adacore.com> * mach-o.c (bfd_mach_o_scan_start_address): Do not fail if no diff --git a/bfd/Makefile.in b/bfd/Makefile.in index aaf6627..0a0fd40 100644 --- a/bfd/Makefile.in +++ b/bfd/Makefile.in @@ -1070,7 +1070,7 @@ BUILD_CFILES = \ CFILES = $(SOURCE_CFILES) $(BUILD_CFILES) SOURCE_HFILES = \ aout-target.h aoutf1.h aoutx.h coffcode.h coffswap.h ecoffswap.h \ - elf-bfd.h elf-hppa.h elf32-hppa.h \ + elf-bfd.h elf-linux-psinfo.h elf-hppa.h elf32-hppa.h \ elf64-hppa.h elfcode.h elfcore.h \ freebsd.h genlink.h go32stub.h \ libaout.h libbfd.h libcoff.h libecoff.h libhppa.h libieee.h \ diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h index faaf632..1fd73cf 100644 --- a/bfd/elf-bfd.h +++ b/bfd/elf-bfd.h @@ -2285,6 +2285,42 @@ extern char *elfcore_write_lwpstatus extern char *elfcore_write_register_note (bfd *, char *, int *, const char *, const void *, int); +/* Internal structure which holds information to be included in the + PRPSINFO section of Linux core files. + + This is an "internal" structure in the sense that it should be used + to pass information to BFD (via the `elfcore_write_linux_prpsinfo' + function), so things like endianess shouldn't be an issue. This + structure will eventually be converted in one of the + `elf_external_linux_*' structures and written out to an output bfd + by one of the functions declared below. */ + +struct elf_internal_linux_prpsinfo + { + char pr_state; /* Numeric process state. */ + char pr_sname; /* Char for pr_state. */ + char pr_zomb; /* Zombie. */ + char pr_nice; /* Nice val. */ + unsigned long pr_flag; /* Flags. */ + unsigned int pr_uid; + unsigned int pr_gid; + int pr_pid, pr_ppid, pr_pgrp, pr_sid; + char pr_fname[16 + 1]; /* Filename of executable. */ + char pr_psargs[80 + 1]; /* Initial part of arg list. */ + }; + +/* Linux/most 32-bit archs. */ +extern char *elfcore_write_linux_prpsinfo32 + (bfd *, char *, int *, const struct elf_internal_linux_prpsinfo *); + +/* Linux/most 64-bit archs. */ +extern char *elfcore_write_linux_prpsinfo64 + (bfd *, char *, int *, const struct elf_internal_linux_prpsinfo *); + +/* Linux/PPC32 uses different layout compared to most archs. */ +extern char *elfcore_write_ppc_linux_prpsinfo32 + (bfd *, char *, int *, const struct elf_internal_linux_prpsinfo *); + extern bfd *_bfd_elf32_bfd_from_remote_memory (bfd *templ, bfd_vma ehdr_vma, bfd_vma *loadbasep, int (*target_read_memory) (bfd_vma, bfd_byte *, bfd_size_type)); diff --git a/bfd/elf-linux-psinfo.h b/bfd/elf-linux-psinfo.h new file mode 100644 index 0000000..c965284 --- /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 @@ -45,6 +45,7 @@ SECTION #include "elf-bfd.h" #include "libiberty.h" #include "safe-ctype.h" +#include "elf-linux-psinfo.h" #ifdef CORE_HEADER #include CORE_HEADER @@ -9159,6 +9160,34 @@ elfcore_write_prpsinfo (bfd *abfd, } char * +elfcore_write_linux_prpsinfo32 + (bfd *abfd, char *buf, int *bufsiz, + const struct elf_internal_linux_prpsinfo *prpsinfo) +{ + struct elf_external_linux_prpsinfo32 data; + + memset (&data, 0, sizeof (data)); + LINUX_PRPSINFO32_SWAP_FIELDS (abfd, prpsinfo, data); + + return elfcore_write_note (abfd, buf, bufsiz, "CORE", NT_PRPSINFO, + &data, sizeof (data)); +} + +char * +elfcore_write_linux_prpsinfo64 + (bfd *abfd, char *buf, int *bufsiz, + const struct elf_internal_linux_prpsinfo *prpsinfo) +{ + struct elf_external_linux_prpsinfo64 data; + + memset (&data, 0, sizeof (data)); + LINUX_PRPSINFO64_SWAP_FIELDS (abfd, prpsinfo, data); + + return elfcore_write_note (abfd, buf, bufsiz, + "CORE", NT_PRPSINFO, &data, sizeof (data)); +} + +char * elfcore_write_prstatus (bfd *abfd, char *buf, int *bufsiz, 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, ...) { |