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https://github.com/darlinghq/darling-gdb.git
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* elf.c (_bfd_elf_print_private_bfd_data): Dump contents of
dynamic section, if there is one. * elf-bfd.h (struct elf_size_info): Add swap_dyn_in field. (bfd_elf32_swap_dyn_in): Change type of second parameter to PTR. (bfd_elf64_swap_dyn_in): Likewise. * elfcode.h (elf_swap_dyn_in): Change type of second parameter to PTR. (NAME(_bfd_elf,size_info)): Initialize swap_dyn_in field.
This commit is contained in:
Ian Lance Taylor
parent
3c38b3df0c
commit
02fcd12620
@ -1,5 +1,14 @@
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Fri Jan 12 13:59:16 1996 Ian Lance Taylor <ian@cygnus.com>
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* elf.c (_bfd_elf_print_private_bfd_data): Dump contents of
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dynamic section, if there is one.
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* elf-bfd.h (struct elf_size_info): Add swap_dyn_in field.
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(bfd_elf32_swap_dyn_in): Change type of second parameter to PTR.
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(bfd_elf64_swap_dyn_in): Likewise.
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* elfcode.h (elf_swap_dyn_in): Change type of second parameter to
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PTR.
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(NAME(_bfd_elf,size_info)): Initialize swap_dyn_in field.
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* elf32-i386.c (elf_i386_size_dynamic_sections): Don't create a
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DT_TEXTREL entry because of .rel.plt. From Martin Pirker
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<pirker@eiunix.tuwien.ac.at>.
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@ -182,6 +182,7 @@ struct elf_size_info {
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void (*swap_symbol_out) PARAMS ((bfd *, Elf_Internal_Sym *, PTR));
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boolean (*slurp_reloc_table) PARAMS ((bfd *, asection *, asymbol **));
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long (*slurp_symbol_table) PARAMS ((bfd *, asymbol **, boolean));
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void (*swap_dyn_in) PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *));
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};
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#define elf_symbol_from(ABFD,S) \
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@ -687,7 +688,7 @@ extern void bfd_elf32_swap_phdr_in
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extern void bfd_elf32_swap_phdr_out
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PARAMS ((bfd *, Elf_Internal_Phdr *, Elf32_External_Phdr *));
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extern void bfd_elf32_swap_dyn_in
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PARAMS ((bfd *, const Elf32_External_Dyn *, Elf_Internal_Dyn *));
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PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *));
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extern void bfd_elf32_swap_dyn_out
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PARAMS ((bfd *, const Elf_Internal_Dyn *, Elf32_External_Dyn *));
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extern boolean bfd_elf32_add_dynamic_entry
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@ -723,7 +724,7 @@ extern void bfd_elf64_swap_phdr_in
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extern void bfd_elf64_swap_phdr_out
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PARAMS ((bfd *, Elf_Internal_Phdr *, Elf64_External_Phdr *));
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extern void bfd_elf64_swap_dyn_in
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PARAMS ((bfd *, const Elf64_External_Dyn *, Elf_Internal_Dyn *));
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PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *));
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extern void bfd_elf64_swap_dyn_out
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PARAMS ((bfd *, const Elf_Internal_Dyn *, Elf64_External_Dyn *));
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extern boolean bfd_elf64_add_dynamic_entry
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172
bfd/elf.c
172
bfd/elf.c
@ -335,50 +335,152 @@ _bfd_elf_print_private_bfd_data (abfd, farg)
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{
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FILE *f = (FILE *) farg;
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Elf_Internal_Phdr *p;
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unsigned int i, c;
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asection *s;
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bfd_byte *dynbuf = NULL;
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p = elf_tdata (abfd)->phdr;
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if (p == NULL)
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return true;
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c = elf_elfheader (abfd)->e_phnum;
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for (i = 0; i < c; i++, p++)
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if (p != NULL)
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{
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const char *s;
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char buf[20];
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unsigned int i, c;
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switch (p->p_type)
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fprintf (f, "\nProgram Header:\n");
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c = elf_elfheader (abfd)->e_phnum;
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for (i = 0; i < c; i++, p++)
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{
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case PT_NULL: s = "NULL"; break;
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case PT_LOAD: s = "LOAD"; break;
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case PT_DYNAMIC: s = "DYNAMIC"; break;
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case PT_INTERP: s = "INTERP"; break;
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case PT_NOTE: s = "NOTE"; break;
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case PT_SHLIB: s = "SHLIB"; break;
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case PT_PHDR: s = "PHDR"; break;
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default: sprintf (buf, "0x%lx", p->p_type); s = buf; break;
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const char *s;
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char buf[20];
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switch (p->p_type)
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{
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case PT_NULL: s = "NULL"; break;
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case PT_LOAD: s = "LOAD"; break;
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case PT_DYNAMIC: s = "DYNAMIC"; break;
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case PT_INTERP: s = "INTERP"; break;
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case PT_NOTE: s = "NOTE"; break;
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case PT_SHLIB: s = "SHLIB"; break;
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case PT_PHDR: s = "PHDR"; break;
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default: sprintf (buf, "0x%lx", p->p_type); s = buf; break;
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}
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fprintf (f, "%8s off 0x", s);
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fprintf_vma (f, p->p_offset);
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fprintf (f, " vaddr 0x");
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fprintf_vma (f, p->p_vaddr);
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fprintf (f, " paddr 0x");
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fprintf_vma (f, p->p_paddr);
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fprintf (f, " align 2**%u\n", bfd_log2 (p->p_align));
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fprintf (f, " filesz 0x");
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fprintf_vma (f, p->p_filesz);
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fprintf (f, " memsz 0x");
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fprintf_vma (f, p->p_memsz);
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fprintf (f, " flags %c%c%c",
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(p->p_flags & PF_R) != 0 ? 'r' : '-',
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(p->p_flags & PF_W) != 0 ? 'w' : '-',
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(p->p_flags & PF_X) != 0 ? 'x' : '-');
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if ((p->p_flags &~ (PF_R | PF_W | PF_X)) != 0)
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fprintf (f, " %lx", p->p_flags &~ (PF_R | PF_W | PF_X));
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fprintf (f, "\n");
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}
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fprintf (f, "%8s off 0x", s);
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fprintf_vma (f, p->p_offset);
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fprintf (f, " vaddr 0x");
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fprintf_vma (f, p->p_vaddr);
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fprintf (f, " paddr 0x");
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fprintf_vma (f, p->p_paddr);
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fprintf (f, " align 2**%u\n", bfd_log2 (p->p_align));
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fprintf (f, " filesz 0x");
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fprintf_vma (f, p->p_filesz);
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fprintf (f, " memsz 0x");
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fprintf_vma (f, p->p_memsz);
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fprintf (f, " flags %c%c%c",
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(p->p_flags & PF_R) != 0 ? 'r' : '-',
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(p->p_flags & PF_W) != 0 ? 'w' : '-',
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(p->p_flags & PF_X) != 0 ? 'x' : '-');
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if ((p->p_flags &~ (PF_R | PF_W | PF_X)) != 0)
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fprintf (f, " %lx", p->p_flags &~ (PF_R | PF_W | PF_X));
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fprintf (f, "\n");
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}
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s = bfd_get_section_by_name (abfd, ".dynamic");
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if (s != NULL)
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{
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int elfsec;
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unsigned long link;
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bfd_byte *extdyn, *extdynend;
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size_t extdynsize;
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void (*swap_dyn_in) PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *));
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fprintf (f, "\nDynamic Section:\n");
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dynbuf = (bfd_byte *) bfd_malloc (s->_raw_size);
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if (dynbuf == NULL)
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goto error_return;
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if (! bfd_get_section_contents (abfd, s, (PTR) dynbuf, (file_ptr) 0,
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s->_raw_size))
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goto error_return;
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elfsec = _bfd_elf_section_from_bfd_section (abfd, s);
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if (elfsec == -1)
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goto error_return;
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link = elf_elfsections (abfd)[elfsec]->sh_link;
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extdynsize = get_elf_backend_data (abfd)->s->sizeof_dyn;
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swap_dyn_in = get_elf_backend_data (abfd)->s->swap_dyn_in;
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extdyn = dynbuf;
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extdynend = extdyn + s->_raw_size;
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for (; extdyn < extdynend; extdyn += extdynsize)
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{
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Elf_Internal_Dyn dyn;
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const char *name;
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char ab[20];
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boolean stringp;
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(*swap_dyn_in) (abfd, (PTR) extdyn, &dyn);
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if (dyn.d_tag == DT_NULL)
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break;
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stringp = false;
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switch (dyn.d_tag)
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{
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default:
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sprintf (ab, "0x%x", dyn.d_tag);
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name = ab;
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break;
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case DT_NEEDED: name = "NEEDED"; stringp = true; break;
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case DT_PLTRELSZ: name = "PLTRELSZ"; break;
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case DT_PLTGOT: name = "PLTGOT"; break;
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case DT_HASH: name = "HASH"; break;
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case DT_STRTAB: name = "STRTAB"; break;
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case DT_SYMTAB: name = "SYMTAB"; break;
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case DT_RELA: name = "RELA"; break;
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case DT_RELASZ: name = "RELASZ"; break;
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case DT_RELAENT: name = "RELAENT"; break;
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case DT_STRSZ: name = "STRSZ"; break;
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case DT_SYMENT: name = "SYMENT"; break;
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case DT_INIT: name = "INIT"; break;
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case DT_FINI: name = "FINI"; break;
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case DT_SONAME: name = "SONAME"; stringp = true; break;
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case DT_RPATH: name = "RPATH"; stringp = true; break;
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case DT_SYMBOLIC: name = "SYMBOLIC"; break;
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case DT_REL: name = "REL"; break;
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case DT_RELSZ: name = "RELSZ"; break;
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case DT_RELENT: name = "RELENT"; break;
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case DT_PLTREL: name = "PLTREL"; break;
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case DT_DEBUG: name = "DEBUG"; break;
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case DT_TEXTREL: name = "TEXTREL"; break;
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case DT_JMPREL: name = "JMPREL"; break;
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}
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fprintf (f, " %-11s ", name);
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if (! stringp)
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fprintf (f, "0x%x", dyn.d_un.d_val);
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else
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{
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const char *string;
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string = bfd_elf_string_from_elf_section (abfd, link,
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dyn.d_un.d_val);
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if (string == NULL)
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goto error_return;
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fprintf (f, "%s", string);
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}
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fprintf (f, "\n");
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}
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free (dynbuf);
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dynbuf = NULL;
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}
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return true;
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error_return:
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if (dynbuf != NULL)
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free (dynbuf);
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return false;
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}
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/* Display ELF-specific fields of a symbol. */
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@ -393,11 +393,13 @@ elf_swap_reloca_out (abfd, src, dst)
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}
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INLINE void
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elf_swap_dyn_in (abfd, src, dst)
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elf_swap_dyn_in (abfd, p, dst)
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bfd *abfd;
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const Elf_External_Dyn *src;
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const PTR p;
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Elf_Internal_Dyn *dst;
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{
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const Elf_External_Dyn *src = (const Elf_External_Dyn *) p;
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dst->d_tag = get_word (abfd, src->d_tag);
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dst->d_un.d_val = get_word (abfd, src->d_un.d_val);
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}
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@ -477,11 +479,11 @@ elf_object_p (abfd)
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switch (x_ehdr.e_ident[EI_DATA])
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{
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case ELFDATA2MSB: /* Big-endian */
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if (!abfd->xvec->header_byteorder_big_p)
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if (! bfd_header_big_endian (abfd))
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goto got_wrong_format_error;
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break;
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case ELFDATA2LSB: /* Little-endian */
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if (abfd->xvec->header_byteorder_big_p)
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if (! bfd_header_little_endian (abfd))
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goto got_wrong_format_error;
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break;
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case ELFDATANONE: /* No data encoding specified */
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@ -1269,4 +1271,5 @@ const struct elf_size_info NAME(_bfd_elf,size_info) = {
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elf_swap_symbol_out,
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elf_slurp_reloc_table,
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elf_slurp_symbol_table,
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elf_swap_dyn_in
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};
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