/* ELF object file format
- Copyright (C) 1992-2017 Free Software Foundation, Inc.
+ Copyright (C) 1992-2018 Free Software Foundation, Inc.
This file is part of GAS, the GNU Assembler.
#include "safe-ctype.h"
#include "subsegs.h"
#include "obstack.h"
-#include "struc-symbol.h"
#include "dwarf2dbg.h"
#ifndef ECOFF_DEBUGGING
#include "elf/ppc.h"
#endif
-#ifdef TC_I370
-#include "elf/i370.h"
-#endif
-
#ifdef TC_I386
#include "elf/x86-64.h"
#endif
{"subsection", obj_elf_subsection, 0},
/* These are GNU extensions to aid in garbage collecting C++ vtables. */
- {"vtable_inherit", (void (*) (int)) &obj_elf_vtable_inherit, 0},
- {"vtable_entry", (void (*) (int)) &obj_elf_vtable_entry, 0},
+ {"vtable_inherit", obj_elf_vtable_inherit, 0},
+ {"vtable_entry", obj_elf_vtable_entry, 0},
/* A GNU extension for object attributes. */
{"gnu_attribute", obj_elf_gnu_attribute, 0},
{"4byte", cons, 4},
{"8byte", cons, 8},
/* These are used for dwarf2. */
- { "file", (void (*) (int)) dwarf2_directive_file, 0 },
+ { "file", dwarf2_directive_file, 0 },
{ "loc", dwarf2_directive_loc, 0 },
{ "loc_mark_labels", dwarf2_directive_loc_mark_labels, 0 },
void
elf_file_symbol (const char *s, int appfile)
{
+ asymbol *bsym;
+
if (!appfile
|| symbol_rootP == NULL
- || symbol_rootP->bsym == NULL
- || (symbol_rootP->bsym->flags & BSF_FILE) == 0)
+ || (bsym = symbol_get_bfdsym (symbol_rootP)) == NULL
+ || (bsym->flags & BSF_FILE) == 0)
{
symbolS *sym;
size_t name_length;
symbol_get_bfdsym (sym)->flags |= BSF_FILE;
if (symbol_rootP != sym
- && (symbol_rootP->bsym == NULL
- || !(symbol_rootP->bsym->flags & BSF_FILE)))
+ && ((bsym = symbol_get_bfdsym (symbol_rootP)) == NULL
+ || (bsym->flags & BSF_FILE) == 0))
{
symbol_remove (sym, &symbol_rootP, &symbol_lastP);
symbol_insert (sym, symbol_rootP, &symbol_rootP, &symbol_lastP);
subsegT new_subsection = -1;
unsigned int info = 0;
-#ifndef TC_I370
if (flag_mri)
{
char mri_type;
return;
}
-#endif /* ! defined (TC_I370) */
name = obj_elf_section_name ();
if (name == NULL)
syntax is ".vtable_inherit CHILDNAME, PARENTNAME". */
struct fix *
-obj_elf_vtable_inherit (int ignore ATTRIBUTE_UNUSED)
+obj_elf_get_vtable_inherit (void)
{
char *cname, *pname;
symbolS *csym, *psym;
0, psym, 0, 0, BFD_RELOC_VTABLE_INHERIT);
}
+/* This is a version of obj_elf_get_vtable_inherit() that is
+ suitable for use in struct _pseudo_type tables. */
+
+void
+obj_elf_vtable_inherit (int ignore ATTRIBUTE_UNUSED)
+{
+ (void) obj_elf_get_vtable_inherit ();
+}
+
/* This handles the .vtable_entry pseudo-op, which is used to indicate
to the linker that a vtable slot was used. The syntax is
".vtable_entry tablename, offset". */
struct fix *
-obj_elf_vtable_entry (int ignore ATTRIBUTE_UNUSED)
+obj_elf_get_vtable_entry (void)
{
symbolS *sym;
offsetT offset;
BFD_RELOC_VTABLE_ENTRY);
}
+/* This is a version of obj_elf_get_vtable_entry() that is
+ suitable for use in struct _pseudo_type tables. */
+
+void
+obj_elf_vtable_entry (int ignore ATTRIBUTE_UNUSED)
+{
+ (void) obj_elf_get_vtable_entry ();
+}
+
#define skip_whitespace(str) do { if (*(str) == ' ') ++(str); } while (0)
static inline int
/* Make sure that the signature symbol for the group has the
name of the group. */
sy = symbol_find_exact (group_name);
- if (!sy
- || (sy != symbol_lastP
- && (sy->sy_next == NULL
- || sy->sy_next->sy_previous != sy)))
+ if (!sy || !symbol_on_chain (sy, symbol_rootP, symbol_lastP))
{
/* Create the symbol now. */
sy = symbol_new (group_name, now_seg, (valueT) 0, frag_now);
#endif /* NEED_ECOFF_DEBUG */
}
-#ifdef SCO_ELF
-
-/* Heavily plagiarized from obj_elf_version. The idea is to emit the
- SCO specific identifier in the .notes section to satisfy the SCO
- linker.
-
- This looks more complicated than it really is. As opposed to the
- "obvious" solution, this should handle the cross dev cases
- correctly. (i.e, hosting on a 64 bit big endian processor, but
- generating SCO Elf code) Efficiency isn't a concern, as there
- should be exactly one of these sections per object module.
-
- SCO OpenServer 5 identifies it's ELF modules with a standard ELF
- .note section.
-
- int_32 namesz = 4 ; Name size
- int_32 descsz = 12 ; Descriptive information
- int_32 type = 1 ;
- char name[4] = "SCO" ; Originator name ALWAYS SCO + NULL
- int_32 version = (major ver # << 16) | version of tools ;
- int_32 source = (tool_id << 16 ) | 1 ;
- int_32 info = 0 ; These are set by the SCO tools, but we
- don't know enough about the source
- environment to set them. SCO ld currently
- ignores them, and recommends we set them
- to zero. */
-
-#define SCO_MAJOR_VERSION 0x1
-#define SCO_MINOR_VERSION 0x1
-
-void
-sco_id (void)
-{
-
- char *name;
- unsigned int c;
- char ch;
- char *p;
- asection *seg = now_seg;
- subsegT subseg = now_subseg;
- Elf_Internal_Note i_note;
- Elf_External_Note e_note;
- asection *note_secp = NULL;
- int i, len;
-
- /* create the .note section */
-
- note_secp = subseg_new (".note", 0);
- bfd_set_section_flags (stdoutput,
- note_secp,
- SEC_HAS_CONTENTS | SEC_READONLY);
-
- /* process the version string */
-
- i_note.namesz = 4;
- i_note.descsz = 12; /* 12 descriptive bytes */
- i_note.type = NT_VERSION; /* Contains a version string */
-
- p = frag_more (sizeof (i_note.namesz));
- md_number_to_chars (p, i_note.namesz, 4);
-
- p = frag_more (sizeof (i_note.descsz));
- md_number_to_chars (p, i_note.descsz, 4);
-
- p = frag_more (sizeof (i_note.type));
- md_number_to_chars (p, i_note.type, 4);
-
- p = frag_more (4);
- strcpy (p, "SCO");
-
- /* Note: this is the version number of the ELF we're representing */
- p = frag_more (4);
- md_number_to_chars (p, (SCO_MAJOR_VERSION << 16) | (SCO_MINOR_VERSION), 4);
-
- /* Here, we pick a magic number for ourselves (yes, I "registered"
- it with SCO. The bottom bit shows that we are compat with the
- SCO ABI. */
- p = frag_more (4);
- md_number_to_chars (p, 0x4c520000 | 0x0001, 4);
-
- /* If we knew (or cared) what the source language options were, we'd
- fill them in here. SCO has given us permission to ignore these
- and just set them to zero. */
- p = frag_more (4);
- md_number_to_chars (p, 0x0000, 4);
-
- frag_align (2, 0, 0);
-
- /* We probably can't restore the current segment, for there likely
- isn't one yet... */
- if (seg && subseg)
- subseg_set (seg, subseg);
-
-}
-
-#endif /* SCO_ELF */
-
static void
elf_generate_asm_lineno (void)
{