(elf_write_phdrs): Use precomputed e_phoff rather than making assumptions.
(elf_build_phdrs): Disabled, for now.
(assign_file_position_for_section): Don't change file offset for SHT_NOBITS.
(assign_file_positions_for_symtab_and_strtabs): New function.
(struct seg_info): New type.
(map_program_segments): New function.
(assign_file_positions_except_relocs): For executables, leave section headers
&c for last, and properly align all sections with flag SHF_ALLOC set.
(prep_headers): No longer abort when EXEC_P is set.
(write_shdrs_and_ehdr): Deleted all code relating to program segments.
(various): Deleted some unused code, and debugging "malloc(0)" calls.
(write_relocs): Cache value of last symbol looked up, to save
time if the symbol is referred to repeatedly.
(elf_fake_sections): Check only SEC_RELOC flag, not number of relocs.
(assign_section_numbers): Likewise.
* nlm-target.h: New file, merged from nlm{32,64}-target.h
* libnlm.h (NLM_ARCH_SIZE): Define to ARCH_SIZE.
* nlm.c (ARCH_SIZE): Remove define to zero.
* nlm32-gen.c (ARCH_SIZE): Define to 32.
* nlm32-gen.c (JUMP_TABLE_PREFIX): Define to nlm32.
* nlm{32,64}-gen.c (nlm-target.h): Include.
* targets.c, libnlm.h, nlm.c, nlm{32,64}-gen.c, nlm{32,64}.c,
nlmcode.h: Convert prefixes from bfd_nlm<size> to just
nlm<size>, and use macros select size.
* bfd.c (struct _bfd): Renamed hppa_core_data field to
hpux_core_data.
* bfd-in2.h: Updated.
* hppa.c (make_bfd_asection, hppa_core_file_p,
hppa_core_file_failing_command, hppa_core_file_failing_signal,
hppa_core_file_matches_executable_p): Moved into hpux-core.c.
Removed from target vector.
* libhppa.h (struct hppa_core_struct and accessor macros): Moved
into hpux-core.c.
* targets.c: If HPUX_CORE is defined, add hpux_core_vec to
target list.
* config/hp300.mh (HDEFINES): Set to -DHPUX_CORE.
(HDEPFILES): Set to hpux-core.o.
* config/hppabsd.mh, config/hppahpux.mh: Likewise.
* hosts/hp300.h (HOST_HP300HPUX): Define.
* Makefile.in (OPTIONAL_BACKENDS): Added sco-core.o,
aix386-core.o, hpux-core.o.
(sco-core.o, aix386-core.o, hpux-core.o): New dependencies.
various flavours of overflow checking.
(srtuct reloc_howto_struct): Changed complain_on_overflow field
from boolean to emum complain_overflow. Removed obsolete absolute
field.
(HOWTO): Removed absolute argument.
(bfd_perform_relocation): Do overflow checking on all types of
fields.
* bfd-in2.h: Updated accordingly.
* all targets: Updated initialization of reloc howto tables.
Deleted `thunk' structure, merged into tdata, duplicate data eliminated.
Rearranged functions, grouping by function.
Broke up many functions in elfcode.h, re-ordered many parts of file writing
to handle unpredictable state of section relocation table as provided by
various applications.
Still needs cleanup: Merge functions back together, split out data structure
with only data that is used only when writing out object file.
* elf.c (bfd_elf_generic_reloc): New function, taken from coff-mips.c.
* elf32-sparc.c (elf_sparc_howto_table): Use it, to work around
bfd_perform_relocation lossage.
* aoutf1.h, libaout.h: Add M_386_DYNIX.
* trad-core.c (TRAD_CORE_USER_OFFSET, TRAD_CORE_STACK_FILEPOS):
New macros; use it if defined.
* config/symmetry.mh, hosts/symmetry.h: New files.
* trad-core.c: Don't include <sys/file.h>.
* i386linux.h: Include <sys/file.h>.
* coff-m68k-un.c: new file to handle names with underscores on
svr3 machines.
* coff-m68k.c (m68k_rtype2howto): added #ifdef ONLY_DECLARE_RELOCS
to not duplicate the function in the executable.
(TARGET_SYM, TARGET_NAME, NAMES_HAVE_UNDERSCORE): new macros needed
by coff-m68k-un.c.
* coffcode.h (MC68KBCSMAGIC): case added.
* targets.c: Add m68kcoffun_vec.
* configure.host: added support for Bull dpx/2.
* config/dpx2.mh, hosts/dpx2.h: new files.
* Makefile.in: added target coff-m68k-un.
argument. Just let an indirect symbol point to the next symbol
without forcing the next symbol to be undefined. Changed all
callers.
* hp300hpux.c (slurp_symbol_table): Changed call to
translate_from_native_sym_flags.
* targets.c: Added hp300hpux_vec.
* Makefile.in (hp300hpux.o): Added dependencies.
(elf_map_symbols): Write out section symbols for all sections, for now.
(elf_symbol_from_bfd_symbol): Allow match if both symbols are section symbols
for the same section.
(elf_find_nearest_line): Don't print message, just return false.
* Makefile.in (ALL_MACHINES): Renamed from BFD_MACHINES.
(ofiles): New target. Build a list of unique file names, in case
any got duplicated.
(TARGETLIB): Use list of files from ofiles.
* configure.in: Set BFD_MACHINES and BFD_BACKENDS depending on
minimal-bfd flag and target makefile frag contents.
Use unsigned hash values for better hashing.
(hash): Hash in the string length for long strings.
* aoutx.h (compare): Replace 3 if's with a subtraction.
(translate_to_native_sym_flags, add_to_stringtab): Reorder tests
in decreasing order of success, as an optimization.
(hash): Take a length arg; ignore chars after #25, for speed.
(add_to_stringtab): Pass length to hash.
* elfcode.h (elf_new_section_hook): Do nothing for now.
(elf_write_object_contents): Output common symbols the way ELF
wants them.
Wed Jun 23 16:20:07 1993 Ken Raeburn (raeburn@poseidon.cygnus.com)
* libelf.h (struct elf_obj_tdata and associated macros): Moved
here from elfcode.h. A couple of size-specific structure pointers
were changed to PTR; uses fixed appropriately.
(elf32_symbol_type, elf64_symbol_type): Separated definitions.
(bfd_elf_mkobject): Renamed from bfd_elf32_mkobject.
(bfd_elf32_mkobject, bfd_elf64_mkobject, elf_mkobject): New
temporary macros to ease name change.
* elf.c (elf_read, elf_mkobject, elf_get_str_section,
elf_string_from_elf_section, bfd_elf_find_section): Moved here
from elfcode.h.
* doc/Makefile.in (libbfd.h): Process elf.c too.
* Makefile.in (elf.o): Note new dependencies.
* elfcode.h: Lots of stuff moved elsewhere. Deleted some unused
code, tweaked some debug hooks.
(elf_slurp_reloca_table): Translate ELF section symbols into BFD
section symbols.
(bfd_section_from_shdr, case SHT_PROGBITS): If section already exists, still
use its address to fill in the rawdata slot.
(section_from_elf_index): Abort if section pointer is null.
(put_word, get_word): Define as appropriate for architecture word size.
Structure swapping functions changed to use them as appropriate.
(bfd_add_to_strtab): Now static.
(sym_is_global): New function.
(elf_map_symbols): Call it. Now returns void. Removed unused local variable.
(bfd_section_from_shdr): Mark string tables other than for section and symbol
names as normal sections having contents.
(fix_up_strtabs): New function; fixes up ELF header fields for stab sections
with string tables associated.
(elf_write_object_contents): Map fix_up_strtabs over all BFD sections.
Reordered condition tests for symbol flags; default to local-object value
instead of global-object.
(elf_symbol_from_bfd_symbol): Hid conditionally-used variable inside condition
test.
(elf_print_symbol): Use fprintf_vma.
(elf_idx_of_sym, bfd_shdr_from_section): Unused functions commented out.
(sym_is_global): New function.
(bfd_section_from_shdr): Makr stirng tables other than for section and symbol
names as normal sections having contents.
(fix_up_strtabs): New function; fixes up ELF header fields for stab sections
with string tables associated.
(elf_write_object_contents): Map fix_up_strtabs over all BFD sections.
Reordered condition tests for symbol flags; default to local-object value
instead of global-object.
* elfcode.h (new_section_hook): Define here.
from sysdep.h (and nothing else) and inserting it into bfd-in2.h.
Remove ../include/bfd.h if found, in case it's left over from previous
versions of this code.
elf32-{mips,m88k,generic}.c: New files.
targets.c (target_vector): Include bfd_elf32_{mips,m88k,generic}_vec.
elfcode.h (elf_object_p): Match elf32-generic for all machines which
don't match a different target.
variants from the BFD universe. Leave the 64-bit types for now,
since they are in flux.
* aoutx.h, hp300hpux.c: Eliminate needless (int32_type) casts.
* libaout.h (GET_SWORD): Convert (int32_type) to (int).
* ieee.c: Convert uint8e_type => unsigned char.
* oasys.c: Extensive changes to eliminate obsolete types.
These depend on changes in ../include/oasys.h as well.
(ecoff_write_object_contents): If not D_PAGED, don't add the
section headers to text_size. If not D_PAGED, set the magic
number to OMAGIC rather than ZMAGIC. If creating a D_PAGED
executable, the executable must fully occupy an even number of
pages.
(ecoff_set_symbol_info, make_bfd_asection, ecoff_little_vec,
ecoff_big_vec): Consistently set section alignment power to 4,
since ECOFF sections should be multiples of 16 bytes.
(ecoff_little_vec, ecoff_big_vec): Added D_PAGED to object_flags.
Made ar_pad_char and ar_max_namelen agree for both.
casts to work on machine where sizeof(long) != sizeof(int) !=
sizeof(char *).
* coffgen.c (coff_get_normalized_symtab): Ditto.
* cpu-h8300.c coff-h8300.c: Support for H8/300-H.
definitions for N_SET[ATDB].
(ecoff_howto_table): Moved near top of file.
(ecoff_set_symbol_info): If a STABS symbol of type N_SET[ATDB] is
seen, cook up a constructor section of the same name and put in a
reloc pointing to the symbol. This lets the GNU linker build
global constructors and destructors without using collect.
* hppa.c (hppa_core_file_p): Provide a temporary dummy routine
for HOST_HPPABSD.
* bfd/hosts/hppabsd.h: Fix declarations of malloc and free.
* bfd/libhppa.h: Include sysdep here. Conditionalize
includes based on HOST_HPPAHPUX or HOST_HPPABSD.
Provide definitions for MAXCOMLEN and _PA_RISC_ID suitable
for BSD.
* hppa.c: Use this for both HPUX & BSD.
* targets.c: Enable hppa_vec for both HPUX & BSD.
* config/hppabsd.mt: TDEFINES => TDEFAULTS.
* hosts/hppabsd.h: #define HOST_HPPABSD.
check for the case where the user sets the address of the BSS
section (and the file header can't specify this). Let the user
set it wherever they want, regardless of what goes in the header.
Fixes #ld/1826 (the fix was never checked in by Steve or Ken).
TRAD_UNIX_CORE_FILE_FAILING_SIGNAL to allow host files to specify
the core file failing signal.
* hosts/decstation.h (TRAD_UNIX_CORE_FILE_FAILING_SIGNAL): Define
to supply the core file failing signal.
systems.
* coffcode.h (styp_to_sec_flags): Set SEC_SHARED_LIBRARY for a
STYP_NOLOAD | STYP_BSS section. Don't set SEC_NEVER_LOAD for a
STYP_INFO section.
(coff_compute_section_file_positions): Force vma and lma of _LIB
section to be zero.
(coff_set_section_contents): Count number of entries in new lma
field, not in vma.
* coffgen.c (make_a_section_from_file): Force lineno_count of
SEC_SHARED_LIBRARY section to be zero, since it is non-zero on the
SCO 3.2v4 shared library.
* seclet.c (rel): Copy over any section with contents, not just
loadable sections.
* coff-mips.c (ecoff_make_empty_symbol): Zero out newly allocated
symbol.
* coff-i386.c (coff_i386_reloc): New function, to generate
relocateable output correctly.
(howto_table): Use coff_i386_reloc for all reloc types.
(CALC_ADDEND): Use a more efficient hack to get the correct addend
for a common symbol.
(i386comm_value): Removed; no longer needed.
symbols in a better way. (translate_to_native_sym_flag): Set the
N_INDR bit when necessary. (aout<>slurp_symbol_table): Maintain
indirect state.
* section.c: Added BFD_IND_SECTION_NAME and bfd_ind_section.
(bfd_make_section): Cope with new builtin section.
* syms.c (bfd_decode_symclass): Can now print indirect section
info.
defined, and yields false.
* aout-mipsbsd.c, i386bsd.c: Define MACHTYPE_OK appropriately.
* archive.c (snarf_ar_hdr): Add support for reading (only,
so far) BSD-4.4-style extended headers.
* archive.c: Some more comments.
