* elfcode.h (elf_write_object_contents): Don't drop core if
elf_symbol_from returns a NULL pointer when processing a non-elf
symbol, use a 0 size instead.
Tue Jun 15 14:38:32 1993 Michael Meissner (meissner@osf.org)
* elfcode.h (elf_hash): Delete macro mapping elf_hash to
bfd_elf32_hash, since the hash table is independent of the 32/64
bit system.
(BFD32_BACKENDS): Don't include elf.o here.
(ofiles): Delete references to ofiles2 and ofiles3.
(do_clean): Delete ofiles.
(BFDIN_H): Changed references to $(srcdir)/bfd-in2.h.
(stmp-bfd.h): Use bfd.h-new as temporary name, not bfd.h2.
(headers): Use bfd-in2.h-new as temporary name, not bfd.h-new.
of nlm_slurp_symbol_table as boolean, not pointer.
* nlmcode.h (nlm_canonicalize_reloc): Test return value
of nlm_slurp_reloc_fixups as boolean, not pointer.
(nlm_mangle_relocs_func): New macro.
* nlm32-i386.c (nlm_i386_write_reloc): Rewrote correctly.
(nlm_i386_mangle_relocs): New function.
* nlmcode.h (nlm_compute_section_file_positions): Move all common
symbols into the .bss section.
(nlm_set_section_contents): Call the mangle_relocs function.
(nlm_write_object_contents): Treat a reloc against any defined
symbol as an internal reloc. Fix bug in external reloc counting.
Get the offset and debugging type right for .bss symbols. Only
output debugging symbols for defined symbols.
using printf.
* coff-z8k.c (rtype2howto): Likewise.
* coffcode.h (dummy_reloc16_extra_cases): Likewise.
* elf32-i386.c (TRACE): Likewise.
* hp300hpux.c (convert_sym_type, swap_std_reloc_in): Likewise.
* rs6000-core.c (rs6000coff_get_section_contents): Likewise.
* coffgen.c (coff_print_symbol): Do an fprintf to the file
argument rather than using printf.
objdump -r.
* coffswap.h: Added macros used when accessing several fields;
default is the same as before.
(coff_swap_aouthdr_{in,out}): Handle the Alpha ECOFF fields.
* coff-alpha.c: Defined macros to use the right sizes in
coffswap.h.
* libecoff.h: Backend information is now in target vector, not
BFD. Start of backend information is COFF backend information.
* coff-alpha.c, coff-mips.c: Changed accordingly.
* ecoff.c (ecoff_mkobject): New function.
(ARMAP_START): Changed into backend information, since Alpha uses
a different name.
(ecoff_slurp_armap): Don't overlay archive header.
* bfd.c: Include libcoff.h.
* ecoffswap.h: New file for ECOFF swapping functions which differ
only slightly for different targets.
* libecoff.h: Added prototypes for ecoff.c functions.
(ecoff_backend_data): New structure.
(ecoff_tdata): Added backend_data field. Changed external data
pointers to be PTR rather than to a particular struct.
(ecoff_symbol_struct): Moved in from coff-mips.c.
* coff-alpha.c, coff-mips.c: Moved common functions into ecoff.c.
Added ECOFF backend structures. Include ecoffswap.h.
* coff-msym.c: Removed; superseded by ecoffswap.h.
* bfd.c: Include coff/internal.h.
* Makefile.in (BFD_LIBS): Removed coff-mips.o and coff-msym.o.
Added ecoff.o.
(BFD64_BACKENDS): Added coff-alpha.o.
(CFILES): Removed coff-msym.c. Added ecoff.c.
(bfd.o): Added dependency on $(INCDIR)/coff/sym.h.
(coff-mips.o): Added dependency on ecoffswap.h and coff/ecoff.h.
(ecoff.o, coff-alpha.o): New targets.
(coff-msym.o): Removed target.
* libnlm.h: Added some more prototypes.
(struct nlm_relent): New structure.
(nlmNAME(symbol_type)): Added rcnt and relocs fields.
(struct nlm_obj_tdata): Added new fields: nlm_symbols,
nlm_text_low, nlm_data_low, nlm_reloc_fixups,
nlm_reloc_fixup_secs.
(struct nlm_backend_data): New structure, with accessor macros.
* nlmcode.h: Use NLM_HIBIT rather than MSB.
(nlm_object_p): Set SEC_RELOC for .text and .data. Don't set
SEC_DATA for .bss. Set HAS_RELOC and HAS_SYMS for abfd. Set the
architecture.
(nlm_swap_fixed_header_out, nlm_swap_variable_header_out,
find_nonzero, nlm_swap_auxiliary_headers_out): New outbound
swapping functions.
(nlm_get_symtab_upper_bound, nlm_slurp_symbol_table): Include
external references in symbol table as undefined symbols.
(nlm_get_symtab, nlm_slurp_symbol_table): Fill in alocation
argument in get_symtab rather than in slurp_symbol_table.
(nlm_slurp_symbol_table): Save symbol information in tdata.
(nlm_print_symbol): New function.
(nlm_slurp_reloc_fixups, nlm_get_reloc_upper_bound,
nlm_canonicalize_reloc): New functions to read relocs.
(nlm_compute_section_file_positions, nlm_set_section_contents,
nlm_external_reloc_compare, nlm_write_object_contents): New
functions to create NLM files.
* nlm-target.h: Define all the nlm functions here either as
default values or in terms of nlmNAME. Use JUMP_TABLE(nlm). Set
the backend_data field to TARGET_BACKEND_DATA.
* nlm32-gen.c, nlm64-gen.c: Don't define function macros here;
they are now in nlm-target.h.
(TARGET_BACKEND_DATA): Define as NULL.
* nlm.c (nlm_mkobject): Do allocate the tdata field.
(nlm_set_arch_mach): New function.
* targets.c: Added nlm32_i386_vec.
* Makefile.in (BFD32_BACKENDS): Added nlm32-i386.o.
(CFILES): Added nlm32-i386.c.
(nlm32-gen.o, nlm64-gen.o): Depend on nlm-target.h.
(nlm32-i386.o): New target.
* nlm{32,64}-gen.c (JUMP_TABLE_INIT): New macro that works with
older cpp's, that don't do additional replacement on the JUMP_TABLE
macro's argument.
* nlm-target.h (JUMP_TABLE_INIT): Use new macro in place of
JUMP_TABLE macro.
(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.
