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Convert macros in elf-linux-core.h to inline functions
Besides changing some macros into inline functions, this removes redundant memsets and uses bfd_put_* rather than H_PUT_*. * elf-linux-core.h (swap_linux_prpsinfo32_out): New function. (swap_linux_prpsinfo64_out): New function. (LINUX_PRPSINFO32_SWAP_FIELDS): Delete. (LINUX_PRPSINFO64_SWAP_FIELDS): Delete. * elf.c (elfcore_write_linux_prpsinfo32): Adjust. Don't memset. (elfcore_write_linux_prpsinfo64): Likewise. * elf32-ppc.c (swap_ppc_linux_prpsinfo32_out): New function. (PPC_LINUX_PRPSINFO32_SWAP_FIELDS): Delete. (elfcore_write_ppc_linux_prpsinfo32): Adjust. Don't memset.
This commit is contained in:
Alan Modra
parent
de64ce13a7
commit
aeb7056972
@ -1,3 +1,15 @@
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2016-01-21 Alan Modra <amodra@gmail.com>
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* elf-linux-core.h (swap_linux_prpsinfo32_out): New function.
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(swap_linux_prpsinfo64_out): New function.
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(LINUX_PRPSINFO32_SWAP_FIELDS): Delete.
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(LINUX_PRPSINFO64_SWAP_FIELDS): Delete.
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* elf.c (elfcore_write_linux_prpsinfo32): Adjust. Don't memset.
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(elfcore_write_linux_prpsinfo64): Likewise.
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* elf32-ppc.c (swap_ppc_linux_prpsinfo32_out): New function.
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(PPC_LINUX_PRPSINFO32_SWAP_FIELDS): Delete.
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(elfcore_write_ppc_linux_prpsinfo32): Adjust. Don't memset.
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2016-01-21 Alan Modra <amodra@gmail.com>
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* elf-linux-core.h: Rename from elf-linux-psinfo.h.
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@ -18,8 +18,8 @@
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#ifndef ELF_LINUX_PSINFO_H
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#define ELF_LINUX_PSINFO_H
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#ifndef ELF_LINUX_CORE_H
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#define ELF_LINUX_CORE_H
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/* The PRPSINFO structures defined below are used by most
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architectures, although some of them define their own versions
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@ -49,30 +49,28 @@ struct elf_external_linux_prpsinfo32
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char pr_psargs[80]; /* Initial part of arg list. */
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};
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/* Helper macro to swap (properly handling endianess) things from the
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`elf_internal_linux_prpsinfo' structure to the
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`elf_external_linux_prpsinfo32' structure.
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/* Helper function to copy an elf_internal_linux_prpsinfo in host
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endian to an elf_external_linux_prpsinfo32 in target endian. */
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Note that FROM should be a pointer, and TO should be the explicit
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type. */
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#define LINUX_PRPSINFO32_SWAP_FIELDS(abfd, from, to) \
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do \
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{ \
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H_PUT_8 (abfd, from->pr_state, &to.pr_state); \
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H_PUT_8 (abfd, from->pr_sname, &to.pr_sname); \
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H_PUT_8 (abfd, from->pr_zomb, &to.pr_zomb); \
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H_PUT_8 (abfd, from->pr_nice, &to.pr_nice); \
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H_PUT_32 (abfd, from->pr_flag, to.pr_flag); \
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H_PUT_16 (abfd, from->pr_uid, to.pr_uid); \
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H_PUT_16 (abfd, from->pr_gid, to.pr_gid); \
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H_PUT_32 (abfd, from->pr_pid, to.pr_pid); \
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H_PUT_32 (abfd, from->pr_ppid, to.pr_ppid); \
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H_PUT_32 (abfd, from->pr_pgrp, to.pr_pgrp); \
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H_PUT_32 (abfd, from->pr_sid, to.pr_sid); \
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strncpy (to.pr_fname, from->pr_fname, sizeof (to.pr_fname)); \
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strncpy (to.pr_psargs, from->pr_psargs, sizeof (to.pr_psargs)); \
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} while (0)
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static inline void
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swap_linux_prpsinfo32_out (bfd *obfd,
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const struct elf_internal_linux_prpsinfo *from,
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struct elf_external_linux_prpsinfo32 *to)
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{
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bfd_put_8 (obfd, from->pr_state, &to->pr_state);
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bfd_put_8 (obfd, from->pr_sname, &to->pr_sname);
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bfd_put_8 (obfd, from->pr_zomb, &to->pr_zomb);
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bfd_put_8 (obfd, from->pr_nice, &to->pr_nice);
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bfd_put_32 (obfd, from->pr_flag, to->pr_flag);
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bfd_put_16 (obfd, from->pr_uid, to->pr_uid);
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bfd_put_16 (obfd, from->pr_gid, to->pr_gid);
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bfd_put_32 (obfd, from->pr_pid, to->pr_pid);
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bfd_put_32 (obfd, from->pr_ppid, to->pr_ppid);
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bfd_put_32 (obfd, from->pr_pgrp, to->pr_pgrp);
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bfd_put_32 (obfd, from->pr_sid, to->pr_sid);
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strncpy (to->pr_fname, from->pr_fname, sizeof (to->pr_fname));
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strncpy (to->pr_psargs, from->pr_psargs, sizeof (to->pr_psargs));
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}
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/* External 64-bit structure for PRPSINFO. This structure is
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ABI-defined, thus we choose to use char arrays here in order to
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@ -99,29 +97,27 @@ struct elf_external_linux_prpsinfo64
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char pr_psargs[80]; /* Initial part of arg list. */
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};
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/* Helper macro to swap (properly handling endianess) things from the
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`elf_internal_linux_prpsinfo' structure to the
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`elf_external_linux_prpsinfo64' structure.
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/* Helper function to copy an elf_internal_linux_prpsinfo in host
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endian to an elf_external_linux_prpsinfo64 in target endian. */
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Note that FROM should be a pointer, and TO should be the explicit
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type. */
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#define LINUX_PRPSINFO64_SWAP_FIELDS(abfd, from, to) \
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do \
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{ \
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H_PUT_8 (abfd, from->pr_state, &to.pr_state); \
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H_PUT_8 (abfd, from->pr_sname, &to.pr_sname); \
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H_PUT_8 (abfd, from->pr_zomb, &to.pr_zomb); \
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H_PUT_8 (abfd, from->pr_nice, &to.pr_nice); \
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H_PUT_64 (abfd, from->pr_flag, to.pr_flag); \
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H_PUT_32 (abfd, from->pr_uid, to.pr_uid); \
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H_PUT_32 (abfd, from->pr_gid, to.pr_gid); \
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H_PUT_32 (abfd, from->pr_pid, to.pr_pid); \
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H_PUT_32 (abfd, from->pr_ppid, to.pr_ppid); \
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H_PUT_32 (abfd, from->pr_pgrp, to.pr_pgrp); \
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H_PUT_32 (abfd, from->pr_sid, to.pr_sid); \
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strncpy (to.pr_fname, from->pr_fname, sizeof (to.pr_fname)); \
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strncpy (to.pr_psargs, from->pr_psargs, sizeof (to.pr_psargs)); \
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} while (0)
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static inline void
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swap_linux_prpsinfo64_out (bfd *obfd,
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const struct elf_internal_linux_prpsinfo *from,
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struct elf_external_linux_prpsinfo64 *to)
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{
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bfd_put_8 (obfd, from->pr_state, &to->pr_state);
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bfd_put_8 (obfd, from->pr_sname, &to->pr_sname);
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bfd_put_8 (obfd, from->pr_zomb, &to->pr_zomb);
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bfd_put_8 (obfd, from->pr_nice, &to->pr_nice);
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bfd_put_64 (obfd, from->pr_flag, to->pr_flag);
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bfd_put_32 (obfd, from->pr_uid, to->pr_uid);
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bfd_put_32 (obfd, from->pr_gid, to->pr_gid);
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bfd_put_32 (obfd, from->pr_pid, to->pr_pid);
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bfd_put_32 (obfd, from->pr_ppid, to->pr_ppid);
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bfd_put_32 (obfd, from->pr_pgrp, to->pr_pgrp);
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bfd_put_32 (obfd, from->pr_sid, to->pr_sid);
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strncpy (to->pr_fname, from->pr_fname, sizeof (to->pr_fname));
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strncpy (to->pr_psargs, from->pr_psargs, sizeof (to->pr_psargs));
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}
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#endif
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@ -9791,9 +9791,7 @@ elfcore_write_linux_prpsinfo32
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{
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struct elf_external_linux_prpsinfo32 data;
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memset (&data, 0, sizeof (data));
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LINUX_PRPSINFO32_SWAP_FIELDS (abfd, prpsinfo, data);
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swap_linux_prpsinfo32_out (abfd, prpsinfo, &data);
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return elfcore_write_note (abfd, buf, bufsiz, "CORE", NT_PRPSINFO,
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&data, sizeof (data));
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}
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@ -9805,9 +9803,7 @@ elfcore_write_linux_prpsinfo64
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{
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struct elf_external_linux_prpsinfo64 data;
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memset (&data, 0, sizeof (data));
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LINUX_PRPSINFO64_SWAP_FIELDS (abfd, prpsinfo, data);
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swap_linux_prpsinfo64_out (abfd, prpsinfo, &data);
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return elfcore_write_note (abfd, buf, bufsiz,
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"CORE", NT_PRPSINFO, &data, sizeof (data));
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}
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@ -1818,30 +1818,28 @@ struct elf_external_ppc_linux_prpsinfo32
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char pr_psargs[80]; /* Initial part of arg list. */
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};
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/* Helper macro to swap (properly handling endianess) things from the
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`elf_internal_prpsinfo' structure to the `elf_external_ppc_prpsinfo32'
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structure.
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Note that FROM should be a pointer, and TO should be the explicit type. */
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#define PPC_LINUX_PRPSINFO32_SWAP_FIELDS(abfd, from, to) \
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do \
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{ \
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H_PUT_8 (abfd, from->pr_state, &to.pr_state); \
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H_PUT_8 (abfd, from->pr_sname, &to.pr_sname); \
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H_PUT_8 (abfd, from->pr_zomb, &to.pr_zomb); \
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H_PUT_8 (abfd, from->pr_nice, &to.pr_nice); \
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H_PUT_32 (abfd, from->pr_flag, to.pr_flag); \
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H_PUT_32 (abfd, from->pr_uid, to.pr_uid); \
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H_PUT_32 (abfd, from->pr_gid, to.pr_gid); \
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H_PUT_32 (abfd, from->pr_pid, to.pr_pid); \
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H_PUT_32 (abfd, from->pr_ppid, to.pr_ppid); \
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H_PUT_32 (abfd, from->pr_pgrp, to.pr_pgrp); \
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H_PUT_32 (abfd, from->pr_sid, to.pr_sid); \
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strncpy (to.pr_fname, from->pr_fname, sizeof (to.pr_fname)); \
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strncpy (to.pr_psargs, from->pr_psargs, sizeof (to.pr_psargs)); \
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} while (0)
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/* Helper function to copy an elf_internal_linux_prpsinfo in host
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endian to an elf_external_ppc_linux_prpsinfo32 in target endian. */
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static inline void
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swap_ppc_linux_prpsinfo32_out (bfd *obfd,
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const struct elf_internal_linux_prpsinfo *from,
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struct elf_external_ppc_linux_prpsinfo32 *to)
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{
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bfd_put_8 (obfd, from->pr_state, &to->pr_state);
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bfd_put_8 (obfd, from->pr_sname, &to->pr_sname);
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bfd_put_8 (obfd, from->pr_zomb, &to->pr_zomb);
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bfd_put_8 (obfd, from->pr_nice, &to->pr_nice);
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bfd_put_32 (obfd, from->pr_flag, to->pr_flag);
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bfd_put_32 (obfd, from->pr_uid, to->pr_uid);
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bfd_put_32 (obfd, from->pr_gid, to->pr_gid);
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bfd_put_32 (obfd, from->pr_pid, to->pr_pid);
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bfd_put_32 (obfd, from->pr_ppid, to->pr_ppid);
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bfd_put_32 (obfd, from->pr_pgrp, to->pr_pgrp);
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bfd_put_32 (obfd, from->pr_sid, to->pr_sid);
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strncpy (to->pr_fname, from->pr_fname, sizeof (to->pr_fname));
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strncpy (to->pr_psargs, from->pr_psargs, sizeof (to->pr_psargs));
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}
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/* Initialize the ppc_elf_howto_table, so that linear accesses can be done. */
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@ -2296,14 +2294,15 @@ ppc_elf_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
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}
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char *
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elfcore_write_ppc_linux_prpsinfo32 (bfd *abfd, char *buf, int *bufsiz,
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const struct elf_internal_linux_prpsinfo *prpsinfo)
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elfcore_write_ppc_linux_prpsinfo32
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(bfd *abfd,
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char *buf,
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int *bufsiz,
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const struct elf_internal_linux_prpsinfo *prpsinfo)
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{
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struct elf_external_ppc_linux_prpsinfo32 data;
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memset (&data, 0, sizeof (data));
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PPC_LINUX_PRPSINFO32_SWAP_FIELDS (abfd, prpsinfo, data);
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swap_ppc_linux_prpsinfo32_out (abfd, prpsinfo, &data);
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return elfcore_write_note (abfd, buf, bufsiz,
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"CORE", NT_PRPSINFO, &data, sizeof (data));
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}
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