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elf32-am33lin.c revision 1.1.1.8 
      1 /* Matsushita AM33/2.0 support for 32-bit GNU/Linux ELF
      2    Copyright (C) 2003-2025 Free Software Foundation, Inc.
      3 
      4    This file is part of BFD, the Binary File Descriptor library.
      5 
      6    This program is free software; you can redistribute it and/or modify
      7    it under the terms of the GNU General Public License as published by
      8    the Free Software Foundation; either version 3 of the License, or
      9    (at your option) any later version.
     10 
     11    This program is distributed in the hope that it will be useful,
     12    but WITHOUT ANY WARRANTY; without even the implied warranty of
     13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
     14    GNU General Public License for more details.
     15 
     16    You should have received a copy of the GNU General Public License
     17    along with this program; if not, write to the Free Software
     18    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
     19    MA 02110-1301, USA.  */
     20 
     21 #include "sysdep.h"
     22 #include "bfd.h"
     23 #include "elf-bfd.h"
     24 #include "elf/mn10300.h"
     25 
     26 #define elf_symbol_leading_char 0
     27 
     28 #define TARGET_LITTLE_SYM	am33_elf32_linux_vec
     29 #define TARGET_LITTLE_NAME	"elf32-am33lin"
     30 #define ELF_ARCH		bfd_arch_mn10300
     31 #define ELF_TARGET_ID		MN10300_ELF_DATA
     32 #define ELF_MACHINE_CODE	EM_MN10300
     33 #define ELF_MACHINE_ALT1	EM_CYGNUS_MN10300
     34 #define ELF_MAXPAGESIZE		0x1000
     35 
     36 /* Rename global functions.  */
     37 #define _bfd_mn10300_elf_merge_private_bfd_data	 _bfd_am33_elf_merge_private_bfd_data
     38 #define _bfd_mn10300_elf_object_p		 _bfd_am33_elf_object_p
     39 #define _bfd_mn10300_elf_final_write_processing	 _bfd_am33_elf_final_write_processing
     40 
     41 /* Support for core dump NOTE sections.  */
     42 static bool
     43 elf32_am33lin_grok_prstatus (bfd *abfd, Elf_Internal_Note *note)
     44 {
     45   int offset;
     46   unsigned int size;
     47 
     48   switch (note->descsz)
     49     {
     50       default:
     51 	return false;
     52 
     53       case 184:
     54       case 188:		/* Linux/am33 */
     55 	/* pr_cursig */
     56 	elf_tdata (abfd)->core->signal = bfd_get_16 (abfd, note->descdata + 12);
     57 
     58 	/* pr_pid */
     59 	elf_tdata (abfd)->core->lwpid = bfd_get_32 (abfd, note->descdata + 24);
     60 
     61 	/* pr_reg */
     62 	offset = 72;
     63 	size = 112;
     64 
     65 	break;
     66     }
     67 
     68   /* Make a ".reg/999" section.  */
     69   return _bfd_elfcore_make_pseudosection (abfd, ".reg", size,
     70 					  note->descpos + offset);
     71 }
     72 
     73 static bool
     74 elf32_am33lin_grok_psinfo (bfd *abfd, Elf_Internal_Note *note)
     75 {
     76   switch (note->descsz)
     77     {
     78       default:
     79 	return false;
     80 
     81       case 124:		/* Linux/am33 elf_prpsinfo */
     82 	elf_tdata (abfd)->core->program
     83 	 = _bfd_elfcore_strndup (abfd, note->descdata + 28, 16);
     84 	elf_tdata (abfd)->core->command
     85 	 = _bfd_elfcore_strndup (abfd, note->descdata + 44, 80);
     86     }
     87 
     88   /* Note that for some reason, a spurious space is tacked
     89      onto the end of the args in some (at least one anyway)
     90      implementations, so strip it off if it exists.  */
     91 
     92   {
     93     char *command = elf_tdata (abfd)->core->command;
     94     int n = strlen (command);
     95 
     96     if (0 < n && command[n - 1] == ' ')
     97       command[n - 1] = '\0';
     98   }
     99 
    100   return true;
    101 }
    102 
    103 #define elf_backend_grok_prstatus	elf32_am33lin_grok_prstatus
    104 #define elf_backend_grok_psinfo		elf32_am33lin_grok_psinfo
    105 
    106 #define elf_backend_linux_prpsinfo32_ugid16	true
    107 
    108 #include "elf-m10300.c"
    109