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authorIan Lance Taylor <ian@airs.com>1996-01-12 19:13:49 +0000
committerIan Lance Taylor <ian@airs.com>1996-01-12 19:13:49 +0000
commit02fcd12620bbd5305137708afb2a26607fe48a2b (patch)
tree4c8a66194b0b76b7781da358e4a159f7e8ff8c47
parent3c38b3df0cc9a8bf6569306867022c8d1b200363 (diff)
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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.
-rw-r--r--bfd/ChangeLog9
-rw-r--r--bfd/elf-bfd.h5
-rw-r--r--bfd/elf.c170
-rw-r--r--bfd/elfcode.h11
4 files changed, 155 insertions, 40 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog
index 25b9559..2dfb670 100644
--- a/bfd/ChangeLog
+++ b/bfd/ChangeLog
@@ -1,5 +1,14 @@
Fri Jan 12 13:59:16 1996 Ian Lance Taylor <ian@cygnus.com>
+ * 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.
+
* elf32-i386.c (elf_i386_size_dynamic_sections): Don't create a
DT_TEXTREL entry because of .rel.plt. From Martin Pirker
<pirker@eiunix.tuwien.ac.at>.
diff --git a/bfd/elf-bfd.h b/bfd/elf-bfd.h
index 88e7858..ee4d46c 100644
--- a/bfd/elf-bfd.h
+++ b/bfd/elf-bfd.h
@@ -182,6 +182,7 @@ struct elf_size_info {
void (*swap_symbol_out) PARAMS ((bfd *, Elf_Internal_Sym *, PTR));
boolean (*slurp_reloc_table) PARAMS ((bfd *, asection *, asymbol **));
long (*slurp_symbol_table) PARAMS ((bfd *, asymbol **, boolean));
+ void (*swap_dyn_in) PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *));
};
#define elf_symbol_from(ABFD,S) \
@@ -687,7 +688,7 @@ extern void bfd_elf32_swap_phdr_in
extern void bfd_elf32_swap_phdr_out
PARAMS ((bfd *, Elf_Internal_Phdr *, Elf32_External_Phdr *));
extern void bfd_elf32_swap_dyn_in
- PARAMS ((bfd *, const Elf32_External_Dyn *, Elf_Internal_Dyn *));
+ PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *));
extern void bfd_elf32_swap_dyn_out
PARAMS ((bfd *, const Elf_Internal_Dyn *, Elf32_External_Dyn *));
extern boolean bfd_elf32_add_dynamic_entry
@@ -723,7 +724,7 @@ extern void bfd_elf64_swap_phdr_in
extern void bfd_elf64_swap_phdr_out
PARAMS ((bfd *, Elf_Internal_Phdr *, Elf64_External_Phdr *));
extern void bfd_elf64_swap_dyn_in
- PARAMS ((bfd *, const Elf64_External_Dyn *, Elf_Internal_Dyn *));
+ PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *));
extern void bfd_elf64_swap_dyn_out
PARAMS ((bfd *, const Elf_Internal_Dyn *, Elf64_External_Dyn *));
extern boolean bfd_elf64_add_dynamic_entry
diff --git a/bfd/elf.c b/bfd/elf.c
index 05254ff..55e4530 100644
--- a/bfd/elf.c
+++ b/bfd/elf.c
@@ -335,50 +335,152 @@ _bfd_elf_print_private_bfd_data (abfd, farg)
{
FILE *f = (FILE *) farg;
Elf_Internal_Phdr *p;
- unsigned int i, c;
+ asection *s;
+ bfd_byte *dynbuf = NULL;
p = elf_tdata (abfd)->phdr;
- if (p == NULL)
- return true;
+ if (p != NULL)
+ {
+ unsigned int i, c;
+
+ fprintf (f, "\nProgram Header:\n");
+ c = elf_elfheader (abfd)->e_phnum;
+ for (i = 0; i < c; i++, p++)
+ {
+ const char *s;
+ char buf[20];
+
+ switch (p->p_type)
+ {
+ case PT_NULL: s = "NULL"; break;
+ case PT_LOAD: s = "LOAD"; break;
+ case PT_DYNAMIC: s = "DYNAMIC"; break;
+ case PT_INTERP: s = "INTERP"; break;
+ case PT_NOTE: s = "NOTE"; break;
+ case PT_SHLIB: s = "SHLIB"; break;
+ case PT_PHDR: s = "PHDR"; break;
+ default: sprintf (buf, "0x%lx", p->p_type); s = buf; break;
+ }
+ fprintf (f, "%8s off 0x", s);
+ fprintf_vma (f, p->p_offset);
+ fprintf (f, " vaddr 0x");
+ fprintf_vma (f, p->p_vaddr);
+ fprintf (f, " paddr 0x");
+ fprintf_vma (f, p->p_paddr);
+ fprintf (f, " align 2**%u\n", bfd_log2 (p->p_align));
+ fprintf (f, " filesz 0x");
+ fprintf_vma (f, p->p_filesz);
+ fprintf (f, " memsz 0x");
+ fprintf_vma (f, p->p_memsz);
+ fprintf (f, " flags %c%c%c",
+ (p->p_flags & PF_R) != 0 ? 'r' : '-',
+ (p->p_flags & PF_W) != 0 ? 'w' : '-',
+ (p->p_flags & PF_X) != 0 ? 'x' : '-');
+ if ((p->p_flags &~ (PF_R | PF_W | PF_X)) != 0)
+ fprintf (f, " %lx", p->p_flags &~ (PF_R | PF_W | PF_X));
+ fprintf (f, "\n");
+ }
+ }
- c = elf_elfheader (abfd)->e_phnum;
- for (i = 0; i < c; i++, p++)
+ s = bfd_get_section_by_name (abfd, ".dynamic");
+ if (s != NULL)
{
- const char *s;
- char buf[20];
+ int elfsec;
+ unsigned long link;
+ bfd_byte *extdyn, *extdynend;
+ size_t extdynsize;
+ void (*swap_dyn_in) PARAMS ((bfd *, const PTR, Elf_Internal_Dyn *));
+
+ fprintf (f, "\nDynamic Section:\n");
+
+ dynbuf = (bfd_byte *) bfd_malloc (s->_raw_size);
+ if (dynbuf == NULL)
+ goto error_return;
+ if (! bfd_get_section_contents (abfd, s, (PTR) dynbuf, (file_ptr) 0,
+ s->_raw_size))
+ goto error_return;
+
+ elfsec = _bfd_elf_section_from_bfd_section (abfd, s);
+ if (elfsec == -1)
+ goto error_return;
+ link = elf_elfsections (abfd)[elfsec]->sh_link;
- switch (p->p_type)
+ extdynsize = get_elf_backend_data (abfd)->s->sizeof_dyn;
+ swap_dyn_in = get_elf_backend_data (abfd)->s->swap_dyn_in;
+
+ extdyn = dynbuf;
+ extdynend = extdyn + s->_raw_size;
+ for (; extdyn < extdynend; extdyn += extdynsize)
{
- case PT_NULL: s = "NULL"; break;
- case PT_LOAD: s = "LOAD"; break;
- case PT_DYNAMIC: s = "DYNAMIC"; break;
- case PT_INTERP: s = "INTERP"; break;
- case PT_NOTE: s = "NOTE"; break;
- case PT_SHLIB: s = "SHLIB"; break;
- case PT_PHDR: s = "PHDR"; break;
- default: sprintf (buf, "0x%lx", p->p_type); s = buf; break;
+ Elf_Internal_Dyn dyn;
+ const char *name;
+ char ab[20];
+ boolean stringp;
+
+ (*swap_dyn_in) (abfd, (PTR) extdyn, &dyn);
+
+ if (dyn.d_tag == DT_NULL)
+ break;
+
+ stringp = false;
+ switch (dyn.d_tag)
+ {
+ default:
+ sprintf (ab, "0x%x", dyn.d_tag);
+ name = ab;
+ break;
+
+ case DT_NEEDED: name = "NEEDED"; stringp = true; break;
+ case DT_PLTRELSZ: name = "PLTRELSZ"; break;
+ case DT_PLTGOT: name = "PLTGOT"; break;
+ case DT_HASH: name = "HASH"; break;
+ case DT_STRTAB: name = "STRTAB"; break;
+ case DT_SYMTAB: name = "SYMTAB"; break;
+ case DT_RELA: name = "RELA"; break;
+ case DT_RELASZ: name = "RELASZ"; break;
+ case DT_RELAENT: name = "RELAENT"; break;
+ case DT_STRSZ: name = "STRSZ"; break;
+ case DT_SYMENT: name = "SYMENT"; break;
+ case DT_INIT: name = "INIT"; break;
+ case DT_FINI: name = "FINI"; break;
+ case DT_SONAME: name = "SONAME"; stringp = true; break;
+ case DT_RPATH: name = "RPATH"; stringp = true; break;
+ case DT_SYMBOLIC: name = "SYMBOLIC"; break;
+ case DT_REL: name = "REL"; break;
+ case DT_RELSZ: name = "RELSZ"; break;
+ case DT_RELENT: name = "RELENT"; break;
+ case DT_PLTREL: name = "PLTREL"; break;
+ case DT_DEBUG: name = "DEBUG"; break;
+ case DT_TEXTREL: name = "TEXTREL"; break;
+ case DT_JMPREL: name = "JMPREL"; break;
+ }
+
+ fprintf (f, " %-11s ", name);
+ if (! stringp)
+ fprintf (f, "0x%x", dyn.d_un.d_val);
+ else
+ {
+ const char *string;
+
+ string = bfd_elf_string_from_elf_section (abfd, link,
+ dyn.d_un.d_val);
+ if (string == NULL)
+ goto error_return;
+ fprintf (f, "%s", string);
+ }
+ fprintf (f, "\n");
}
- fprintf (f, "%8s off 0x", s);
- fprintf_vma (f, p->p_offset);
- fprintf (f, " vaddr 0x");
- fprintf_vma (f, p->p_vaddr);
- fprintf (f, " paddr 0x");
- fprintf_vma (f, p->p_paddr);
- fprintf (f, " align 2**%u\n", bfd_log2 (p->p_align));
- fprintf (f, " filesz 0x");
- fprintf_vma (f, p->p_filesz);
- fprintf (f, " memsz 0x");
- fprintf_vma (f, p->p_memsz);
- fprintf (f, " flags %c%c%c",
- (p->p_flags & PF_R) != 0 ? 'r' : '-',
- (p->p_flags & PF_W) != 0 ? 'w' : '-',
- (p->p_flags & PF_X) != 0 ? 'x' : '-');
- if ((p->p_flags &~ (PF_R | PF_W | PF_X)) != 0)
- fprintf (f, " %lx", p->p_flags &~ (PF_R | PF_W | PF_X));
- fprintf (f, "\n");
+
+ free (dynbuf);
+ dynbuf = NULL;
}
return true;
+
+ error_return:
+ if (dynbuf != NULL)
+ free (dynbuf);
+ return false;
}
/* Display ELF-specific fields of a symbol. */
diff --git a/bfd/elfcode.h b/bfd/elfcode.h
index 2e35f90..48e6d0b 100644
--- a/bfd/elfcode.h
+++ b/bfd/elfcode.h
@@ -393,11 +393,13 @@ elf_swap_reloca_out (abfd, src, dst)
}
INLINE void
-elf_swap_dyn_in (abfd, src, dst)
+elf_swap_dyn_in (abfd, p, dst)
bfd *abfd;
- const Elf_External_Dyn *src;
+ const PTR p;
Elf_Internal_Dyn *dst;
{
+ const Elf_External_Dyn *src = (const Elf_External_Dyn *) p;
+
dst->d_tag = get_word (abfd, src->d_tag);
dst->d_un.d_val = get_word (abfd, src->d_un.d_val);
}
@@ -477,11 +479,11 @@ elf_object_p (abfd)
switch (x_ehdr.e_ident[EI_DATA])
{
case ELFDATA2MSB: /* Big-endian */
- if (!abfd->xvec->header_byteorder_big_p)
+ if (! bfd_header_big_endian (abfd))
goto got_wrong_format_error;
break;
case ELFDATA2LSB: /* Little-endian */
- if (abfd->xvec->header_byteorder_big_p)
+ if (! bfd_header_little_endian (abfd))
goto got_wrong_format_error;
break;
case ELFDATANONE: /* No data encoding specified */
@@ -1269,4 +1271,5 @@ const struct elf_size_info NAME(_bfd_elf,size_info) = {
elf_swap_symbol_out,
elf_slurp_reloc_table,
elf_slurp_symbol_table,
+ elf_swap_dyn_in
};