* libnlm.h (struct nlm_backend_data): New fields
optional_prefix_size, nlm_backend_object_p, nlm_write_prefix, nlm_set_public_section, nlm_get_public_offset. Removed unused nlm_write_reloc field. Changed nlm_write_import to remove unnecessary symbol argument. Renamed nlm_write_externals to nlm_write_external, and changed cound argument from bfd_vma to bfd_size_type. (nlm_optional_prefix_size, nlm_backend_object_p_func, nlm_write_prefix_func, nlm_set_public_section_func, nlm_get_public_offset_func): New accessor macros. (nlm_write_reloc_func): Removed. (nlm_write_external_func): Adjusted for field renaming. * nlm32-i386.c (nlm_i386_write_import): Renamed from nlm_i386_write_reloc. Removed old nlm_i386_write_import which just called old nlm_i386_write_reloc. (nlm_i386_write_external): Renamed from nlm_i386_write_externals. Declared. Changed second argument from bfd_vma to bfd_size_type. (nlm32_i386_backend): Adjusted for changes to fields and names. * nlm32-sparc.c (nlm_sparc_mangle_relocs): Removed unused, ifdeffed out code. (nlm_sparc_write_import): Removed second argument. (nlm_sparc_write_external): Renamed from nlm_sparc_write_externals. Changed second argument from bfd_vma to bfd_size_type. (nlm32_sparc_backend): Adjusted for changes to fields and names. * nlmcode.h: Removed some unused code. (nlm_object_p): Don't destroy tdata pointer. Call backend_object_p function if it exists. (nlm_slurp_symbol_table): Removed unused variable rcount. Call set_public_section_func if it exists instead of checking NLM_HIBIT. (nlm_compute_section_file_positions): Account for optional_prefix_size. (nlm_write_object_contents): Account for optional_prefix_size. Removed useless variable write_reloc_func. Changed declaration and call of write_import_func. Call write_prefix_func if it exists. Removed unused variables len and temp. Call get_public_offset_func if it exists rather than setting NLM_HIBIT.
This commit is contained in:
parent
f7912fb476
commit
cdbfad1cd7
81
bfd/libnlm.h
81
bfd/libnlm.h
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@ -117,14 +117,41 @@ struct nlm_obj_tdata
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#define nlm_relocation_fixups(bfd) (nlm_tdata(bfd) -> nlm_reloc_fixups)
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#define nlm_relocation_fixup_secs(bfd) (nlm_tdata(bfd)->nlm_reloc_fixup_secs)
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/* This is used when writing out the external relocs. */
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struct reloc_and_sec
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{
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arelent *rel;
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asection *sec;
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};
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/* We store some function pointer in the backend structure. This lets
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different NLM targets share most of the same code, while providing
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slightly different code where necessary. */
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struct nlm_backend_data
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{
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/* Machine architecture. */
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/* Signature for this backend. */
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char signature[NLM_SIGNATURE_SIZE];
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/* Size of the fixed header. */
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bfd_size_type fixed_header_size;
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/* Size of optional prefix for this backend. Some backend may
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require this to be a function, but so far a constant is OK. This
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is for a prefix which precedes the standard NLM fixed header. */
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bfd_size_type optional_prefix_size;
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/* Architecture. */
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enum bfd_architecture arch;
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/* Machine. */
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long mach;
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/* Some NLM formats have a prefix on the file. If this function is
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not NULL, it will be called by nlm_object_p. It should return
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true if this file could match this format, and it should leave
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the BFD such that a bfd_read will pick up the fixed header. */
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boolean (*nlm_backend_object_p) PARAMS ((bfd *));
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/* Write out the prefix. This function may be NULL. This must
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write out the same number of bytes as is in the field
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optional_prefix_size. */
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boolean (*nlm_write_prefix) PARAMS ((bfd *));
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/* Read a relocation fixup from abfd. The reloc information is
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machine specific. The second argument is the symbol if this is
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an import, or NULL if this is a reloc fixup. This function
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@ -134,25 +161,69 @@ struct nlm_backend_data
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import symbol. */
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boolean (*nlm_read_reloc) PARAMS ((bfd *, nlmNAME(symbol_type) *,
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asection **, arelent *));
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/* Write a relocation fixup to abfd. */
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boolean (*nlm_write_reloc) PARAMS ((bfd *, asection *, arelent *));
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/* To make objcopy to an i386 NLM work, the i386 backend needs a
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chance to work over the relocs. This is a bit icky. */
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boolean (*nlm_mangle_relocs) PARAMS ((bfd *, asection *, PTR data,
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bfd_vma offset,
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bfd_size_type count));
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/* Read an import record from abfd. It would be nice if this
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were in a machine-dependent format, but it doesn't seem to be. */
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boolean (*nlm_read_import) PARAMS ((bfd *, nlmNAME(symbol_type) *));
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/* Write an import record to abfd. */
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boolean (*nlm_write_import) PARAMS ((bfd *, asection *, arelent *));
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/* Set the section for a public symbol. This may be NULL, in which
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case a default method will be used. */
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boolean (*nlm_set_public_section) PARAMS ((bfd *, nlmNAME(symbol_type) *));
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/* Get the offset to write out for a public symbol. This may be
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NULL, in which case a default method will be used. */
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bfd_vma (*nlm_get_public_offset) PARAMS ((bfd *, asymbol *));
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/* Swap the fixed header in and out */
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void (*nlm_swap_fhdr_in) PARAMS ((bfd *,
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PTR,
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Nlm_Internal_Fixed_Header *));
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void (*nlm_swap_fhdr_out) PARAMS ((bfd *,
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struct nlm_internal_fixed_header *,
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PTR));
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/* Write out an external reference. */
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boolean (*nlm_write_external) PARAMS ((bfd *, bfd_size_type,
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asymbol *,
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struct reloc_and_sec *));
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};
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#define nlm_backend(bfd) \
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((struct nlm_backend_data *)((bfd) -> xvec -> backend_data))
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#define nlm_signature(bfd) \
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(nlm_backend(bfd) ? nlm_backend(bfd) -> signature : "")
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#define nlm_fixed_header_size(bfd) \
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(nlm_backend(bfd) ? nlm_backend(bfd) -> fixed_header_size : 0)
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#define nlm_optional_prefix_size(bfd) \
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(nlm_backend(bfd) ? nlm_backend(bfd) -> optional_prefix_size : 0)
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#define nlm_architecture(bfd) \
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(nlm_backend(bfd) ? nlm_backend(bfd) -> arch : bfd_arch_unknown)
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#define nlm_machine(bfd) \
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(nlm_backend(bfd) ? nlm_backend(bfd) -> mach : 0)
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#define nlm_backend_object_p_func(bfd) \
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(nlm_backend(bfd) ? nlm_backend(bfd) -> nlm_backend_object_p : 0)
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#define nlm_write_prefix_func(bfd) \
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(nlm_backend(bfd) ? nlm_backend(bfd) -> nlm_write_prefix : 0)
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#define nlm_read_reloc_func(bfd) \
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(nlm_backend(bfd) ? nlm_backend(bfd) -> nlm_read_reloc : 0)
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#define nlm_write_reloc_func(bfd) \
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(nlm_backend(bfd) ? nlm_backend(bfd) -> nlm_write_reloc : 0)
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#define nlm_mangle_relocs_func(bfd) \
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(nlm_backend(bfd) ? nlm_backend(bfd) -> nlm_mangle_relocs : 0)
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#define nlm_read_import_func(bfd) \
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(nlm_backend(bfd) ? nlm_backend(bfd) -> nlm_read_import : 0)
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#define nlm_write_import_func(bfd) \
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(nlm_backend(bfd) ? nlm_backend(bfd) -> nlm_write_import : 0)
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#define nlm_set_public_section_func(bfd) \
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(nlm_backend(bfd) ? nlm_backend(bfd) -> nlm_set_public_section : 0)
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#define nlm_get_public_offset_func(bfd) \
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(nlm_backend(bfd) ? nlm_backend(bfd) -> nlm_get_public_offset : 0)
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#define nlm_swap_fixed_header_in_func(bfd) \
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(nlm_backend(bfd) ? nlm_backend(bfd) -> nlm_swap_fhdr_in : 0)
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#define nlm_swap_fixed_header_out_func(bfd) \
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(nlm_backend(bfd) ? nlm_backend(bfd) -> nlm_swap_fhdr_out : 0)
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#define nlm_write_external_func(bfd) \
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(nlm_backend(bfd) ? nlm_backend(bfd) -> nlm_write_external : 0)
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/* The NLM code, data, and uninitialized sections have no names defined
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in the NLM, but bfd wants to give them names, so use the traditional
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136
bfd/nlm32-i386.c
136
bfd/nlm32-i386.c
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@ -22,14 +22,22 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include "libbfd.h"
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#define ARCH_SIZE 32
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#include "nlm/i386-ext.h"
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#define Nlm_External_Fixed_Header Nlm32_i386_External_Fixed_Header
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#include "libnlm.h"
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static boolean nlm_i386_read_reloc
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PARAMS ((bfd *, nlmNAME(symbol_type) *, asection **, arelent *));
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static boolean nlm_i386_write_reloc
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static boolean nlm_i386_write_import
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PARAMS ((bfd *, asection *, arelent *));
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static boolean nlm_i386_mangle_relocs
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PARAMS ((bfd *, asection *, PTR, bfd_vma, bfd_size_type));
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static boolean nlm_i386_read_import
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PARAMS ((bfd *, nlmNAME(symbol_type) *));
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static boolean nlm_i386_write_external
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PARAMS ((bfd *, bfd_size_type, asymbol *, struct reloc_and_sec *));
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/* Adjust the reloc location by an absolute value. */
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@ -146,7 +154,7 @@ nlm_i386_read_reloc (abfd, sym, secp, rel)
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/* Write a NetWare i386 reloc. */
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static boolean
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nlm_i386_write_reloc (abfd, sec, rel)
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nlm_i386_write_import (abfd, sec, rel)
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bfd *abfd;
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asection *sec;
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arelent *rel;
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@ -165,7 +173,6 @@ nlm_i386_write_reloc (abfd, sec, rel)
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|| rel->howto->size != 2
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|| rel->howto->bitsize != 32
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|| rel->howto->bitpos != 0
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|| ! rel->howto->partial_inplace
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|| rel->howto->src_mask != 0xffffffff
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|| rel->howto->dst_mask != 0xffffffff)
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{
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sym = *rel->sym_ptr_ptr;
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/* Note that no serious harm will ensue if we fail to change a
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reloc. We will wind up failing in nlm_i386_write_reloc. */
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reloc. We will wind up failing in nlm_i386_write_import. */
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/* Make sure this reloc is within the data we have. We only 4
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byte relocs here, so we insist on having 4 bytes. */
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that at this point the size of the data section is in the NLM
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header. */
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if (((bfd_get_section_flags (abfd, bfd_get_section (sym))
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& (SEC_CODE | SEC_DATA)) == 0)
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& SEC_LOAD) == 0)
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&& ((bfd_get_section_flags (abfd, bfd_get_section (sym))
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& SEC_ALLOC) != 0))
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addend += nlm_fixed_header (abfd)->dataImageSize;
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&& rel->howto->size == 2
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&& rel->howto->bitsize == 32
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&& rel->howto->bitpos == 0
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&& rel->howto->partial_inplace
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&& rel->howto->src_mask == 0xffffffff
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&& rel->howto->dst_mask == 0xffffffff)
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{
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bfd_vma val;
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val = bfd_get_32 (abfd, (char *) data + rel->address - offset);
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val = bfd_get_32 (abfd, (bfd_byte *) data + rel->address - offset);
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val += addend;
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bfd_put_32 (abfd, val, (char *) data + rel->address - offset);
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bfd_put_32 (abfd, val, (bfd_byte *) data + rel->address - offset);
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rel->addend = 0;
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}
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&& rel->howto->size == 2
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&& rel->howto->bitsize == 32
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&& rel->howto->bitpos == 0
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&& rel->howto->partial_inplace
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&& rel->howto->src_mask == 0xffffffff
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&& rel->howto->dst_mask == 0xffffffff)
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{
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/* When pcrel_offset is not set, it means that the negative
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of the address of the memory location is stored in the
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memory location. We must add it back in. */
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val = bfd_get_32 (abfd, (char *) data + rel->address - offset);
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val = bfd_get_32 (abfd, (bfd_byte *) data + rel->address - offset);
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val += rel->address;
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bfd_put_32 (abfd, val, (char *) data + rel->address - offset);
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bfd_put_32 (abfd, val, (bfd_byte *) data + rel->address - offset);
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rel->howto = &nlm_i386_pcrel_howto;
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}
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@ -339,12 +344,117 @@ nlm_i386_mangle_relocs (abfd, sec, data, offset, count)
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return true;
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}
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/* Read a NetWare i386 import record */
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static boolean
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nlm_i386_read_import (abfd, sym)
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bfd *abfd;
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nlmNAME(symbol_type) *sym;
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{
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struct nlm_relent *nlm_relocs; /* relocation records for symbol */
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bfd_size_type rcount; /* number of relocs */
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bfd_byte temp[NLM_TARGET_LONG_SIZE]; /* temporary 32-bit value */
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unsigned char symlength; /* length of symbol name */
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if (bfd_read ((PTR) &symlength, sizeof (symlength), 1, abfd)
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!= sizeof (symlength))
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{
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bfd_error = system_call_error;
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return (false);
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}
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sym -> symbol.the_bfd = abfd;
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sym -> symbol.name = bfd_alloc (abfd, symlength + 1);
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if (bfd_read ((PTR) sym -> symbol.name, symlength, 1, abfd)
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!= symlength)
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{
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bfd_error = system_call_error;
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return (false);
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}
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sym -> symbol.flags = 0;
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sym -> symbol.value = 0;
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sym -> symbol.section = &bfd_und_section;
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if (bfd_read ((PTR) temp, sizeof (temp), 1, abfd) != sizeof (temp))
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{
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bfd_error = system_call_error;
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return (false);
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}
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rcount = bfd_h_get_32 (abfd, temp);
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nlm_relocs = ((struct nlm_relent *)
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bfd_alloc (abfd, rcount * sizeof (struct nlm_relent)));
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sym -> relocs = nlm_relocs;
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sym -> rcnt = 0;
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while (sym -> rcnt < rcount)
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{
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asection *section;
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if (nlm_i386_read_reloc (abfd, sym, §ion,
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&nlm_relocs -> reloc)
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== false)
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return false;
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nlm_relocs -> section = section;
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nlm_relocs++;
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sym -> rcnt++;
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}
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return true;
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}
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/* Write out an external reference. */
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static boolean
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nlm_i386_write_external (abfd, count, sym, relocs)
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bfd *abfd;
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bfd_size_type count;
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asymbol *sym;
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struct reloc_and_sec *relocs;
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{
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int i;
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bfd_byte len;
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unsigned char temp[NLM_TARGET_LONG_SIZE];
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len = strlen (sym->name);
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if ((bfd_write (&len, sizeof (bfd_byte), 1, abfd) != sizeof(bfd_byte))
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|| bfd_write (sym->name, len, 1, abfd) != len)
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{
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bfd_error = system_call_error;
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return false;
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}
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bfd_put_32 (abfd, count, temp);
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if (bfd_write (temp, sizeof(temp), 1, abfd) != sizeof (temp))
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{
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bfd_error = system_call_error;
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return false;
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}
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for (i = 0; i < count; i++)
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{
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if (nlm_i386_write_import (abfd, relocs[i].sec,
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relocs[i].rel) == false)
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return false;
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}
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return true;
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}
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#include "nlmswap.h"
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static const struct nlm_backend_data nlm32_i386_backend =
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{
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"NetWare Loadable Module\032",
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sizeof (Nlm32_i386_External_Fixed_Header),
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0, /* optional_prefix_size */
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bfd_arch_i386,
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0,
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0, /* backend_object_p */
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0, /* write_prefix_func */
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nlm_i386_read_reloc,
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nlm_i386_write_reloc,
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nlm_i386_mangle_relocs
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nlm_i386_mangle_relocs,
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nlm_i386_read_import,
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nlm_i386_write_import,
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0, /* set_public_section */
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0, /* get_public_offset */
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nlm_swap_fixed_header_in,
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nlm_swap_fixed_header_out,
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nlm_i386_write_external,
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};
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#define TARGET_LITTLE_NAME "nlm32-i386"
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@ -0,0 +1,400 @@
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/* Support for 32-bit SPARC NLM (NetWare Loadable Module)
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Copyright (C) 1993 Free Software Foundation, Inc.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
|
||||
the Free Software Foundation; either version 2 of the License, or
|
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||||
GNU General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include "bfd.h"
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#include "sysdep.h"
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#include "libbfd.h"
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#define ARCH_SIZE 32
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#include "nlm/sparc32-ext.h"
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#define Nlm_External_Fixed_Header Nlm32_sparc_External_Fixed_Header
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#include "libnlm.h"
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static boolean nlm_sparc_read_reloc
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PARAMS ((bfd *, nlmNAME(symbol_type) *, asection **, arelent *));
|
||||
static boolean nlm_sparc_write_reloc
|
||||
PARAMS ((bfd *, asection *, arelent *));
|
||||
static boolean nlm_sparc_mangle_relocs
|
||||
PARAMS ((bfd *, asection *, PTR, bfd_vma, bfd_size_type));
|
||||
static boolean nlm_sparc_read_import
|
||||
PARAMS ((bfd *, nlmNAME(symbol_type) *));
|
||||
static boolean nlm_sparc_write_import
|
||||
PARAMS ((bfd *, asection *, arelent *));
|
||||
static boolean nlm_sparc_write_external
|
||||
PARAMS ((bfd *, bfd_size_type, asymbol *, struct reloc_and_sec *));
|
||||
|
||||
enum reloc_type
|
||||
{
|
||||
R_SPARC_NONE = 0,
|
||||
R_SPARC_8, R_SPARC_16, R_SPARC_32,
|
||||
R_SPARC_DISP8, R_SPARC_DISP16, R_SPARC_DISP32,
|
||||
R_SPARC_WDISP30, R_SPARC_WDISP22,
|
||||
R_SPARC_HI22, R_SPARC_22,
|
||||
R_SPARC_13, R_SPARC_LO10,
|
||||
R_SPARC_GOT10, R_SPARC_GOT13, R_SPARC_GOT22,
|
||||
R_SPARC_PC10, R_SPARC_PC22,
|
||||
R_SPARC_WPLT30,
|
||||
R_SPARC_COPY,
|
||||
R_SPARC_GLOB_DAT, R_SPARC_JMP_SLOT,
|
||||
R_SPARC_RELATIVE,
|
||||
R_SPARC_UA32,
|
||||
R_SPARC_max
|
||||
};
|
||||
|
||||
#if 0
|
||||
static CONST char *CONST reloc_type_names[] =
|
||||
{
|
||||
"R_SPARC_NONE",
|
||||
"R_SPARC_8", "R_SPARC_16", "R_SPARC_32",
|
||||
"R_SPARC_DISP8", "R_SPARC_DISP16", "R_SPARC_DISP32",
|
||||
"R_SPARC_WDISP30", "R_SPARC_WDISP22",
|
||||
"R_SPARC_HI22", "R_SPARC_22",
|
||||
"R_SPARC_13", "R_SPARC_LO10",
|
||||
"R_SPARC_GOT10", "R_SPARC_GOT13", "R_SPARC_GOT22",
|
||||
"R_SPARC_PC10", "R_SPARC_PC22",
|
||||
"R_SPARC_WPLT30",
|
||||
"R_SPARC_COPY",
|
||||
"R_SPARC_GLOB_DAT", "R_SPARC_JMP_SLOT",
|
||||
"R_SPARC_RELATIVE",
|
||||
"R_SPARC_UA32",
|
||||
};
|
||||
#endif
|
||||
|
||||
static reloc_howto_type nlm32_sparc_howto_table[] =
|
||||
{
|
||||
HOWTO(R_SPARC_NONE, 0,0, 0,false,0,complain_overflow_dont, 0,"R_SPARC_NONE", false,0,0x00000000,true),
|
||||
HOWTO(R_SPARC_8, 0,0, 8,false,0,complain_overflow_bitfield,0,"R_SPARC_8", false,0,0x000000ff,true),
|
||||
HOWTO(R_SPARC_16, 0,1,16,false,0,complain_overflow_bitfield,0,"R_SPARC_16", false,0,0x0000ffff,true),
|
||||
HOWTO(R_SPARC_32, 0,2,32,false,0,complain_overflow_bitfield,0,"R_SPARC_32", false,0,0xffffffff,true),
|
||||
HOWTO(R_SPARC_DISP8, 0,0, 8,true, 0,complain_overflow_signed, 0,"R_SPARC_DISP8", false,0,0x000000ff,true),
|
||||
HOWTO(R_SPARC_DISP16, 0,1,16,true, 0,complain_overflow_signed, 0,"R_SPARC_DISP16", false,0,0x0000ffff,true),
|
||||
HOWTO(R_SPARC_DISP32, 0,2,32,true, 0,complain_overflow_signed, 0,"R_SPARC_DISP32", false,0,0x00ffffff,true),
|
||||
HOWTO(R_SPARC_WDISP30, 2,2,30,true, 0,complain_overflow_signed, 0,"R_SPARC_WDISP30", false,0,0x3fffffff,true),
|
||||
HOWTO(R_SPARC_WDISP22, 2,2,22,true, 0,complain_overflow_signed, 0,"R_SPARC_WDISP22", false,0,0x003fffff,true),
|
||||
HOWTO(R_SPARC_HI22, 10,2,22,false,0,complain_overflow_dont, 0,"R_SPARC_HI22", false,0,0x003fffff,true),
|
||||
HOWTO(R_SPARC_22, 0,2,22,false,0,complain_overflow_bitfield,0,"R_SPARC_22", false,0,0x003fffff,true),
|
||||
HOWTO(R_SPARC_13, 0,2,13,false,0,complain_overflow_bitfield,0,"R_SPARC_13", false,0,0x00001fff,true),
|
||||
HOWTO(R_SPARC_LO10, 0,2,10,false,0,complain_overflow_dont, 0,"R_SPARC_LO10", false,0,0x000003ff,true),
|
||||
HOWTO(R_SPARC_GOT10, 0,2,10,false,0,complain_overflow_bitfield,0,"R_SPARC_GOT10", false,0,0x000003ff,true),
|
||||
HOWTO(R_SPARC_GOT13, 0,2,13,false,0,complain_overflow_bitfield,0,"R_SPARC_GOT13", false,0,0x00001fff,true),
|
||||
HOWTO(R_SPARC_GOT22, 10,2,22,false,0,complain_overflow_bitfield,0,"R_SPARC_GOT22", false,0,0x003fffff,true),
|
||||
HOWTO(R_SPARC_PC10, 0,2,10,false,0,complain_overflow_bitfield,0,"R_SPARC_PC10", false,0,0x000003ff,true),
|
||||
HOWTO(R_SPARC_PC22, 0,2,22,false,0,complain_overflow_bitfield,0,"R_SPARC_PC22", false,0,0x003fffff,true),
|
||||
HOWTO(R_SPARC_WPLT30, 0,0,00,false,0,complain_overflow_dont, 0,"R_SPARC_WPLT30", false,0,0x00000000,true),
|
||||
HOWTO(R_SPARC_COPY, 0,0,00,false,0,complain_overflow_dont, 0,"R_SPARC_COPY", false,0,0x00000000,true),
|
||||
HOWTO(R_SPARC_GLOB_DAT,0,0,00,false,0,complain_overflow_dont, 0,"R_SPARC_GLOB_DAT",false,0,0x00000000,true),
|
||||
HOWTO(R_SPARC_JMP_SLOT,0,0,00,false,0,complain_overflow_dont, 0,"R_SPARC_JMP_SLOT",false,0,0x00000000,true),
|
||||
HOWTO(R_SPARC_RELATIVE,0,0,00,false,0,complain_overflow_dont, 0,"R_SPARC_RELATIVE",false,0,0x00000000,true),
|
||||
HOWTO(R_SPARC_UA32, 0,0,00,false,0,complain_overflow_dont, 0,"R_SPARC_UA32", false,0,0x00000000,true),
|
||||
};
|
||||
|
||||
/* Read a NetWare sparc reloc. */
|
||||
|
||||
struct nlm32_sparc_reloc_ext {
|
||||
unsigned char offset[4];
|
||||
unsigned char addend[4];
|
||||
unsigned char type[1];
|
||||
unsigned char pad1[3];
|
||||
};
|
||||
|
||||
static boolean
|
||||
nlm_sparc_read_reloc (abfd, sym, secp, rel)
|
||||
bfd *abfd;
|
||||
nlmNAME(symbol_type) *sym;
|
||||
asection **secp;
|
||||
arelent *rel;
|
||||
{
|
||||
bfd_byte temp[4];
|
||||
bfd_vma val, addend;
|
||||
const char *name;
|
||||
int index;
|
||||
unsigned int type;
|
||||
struct nlm32_sparc_reloc_ext tmp_reloc;
|
||||
|
||||
if (bfd_read (&tmp_reloc, 12, 1, abfd) != 12) {
|
||||
bfd_error = system_call_error;
|
||||
return false;
|
||||
}
|
||||
|
||||
*secp = bfd_get_section_by_name (abfd, NLM_CODE_NAME);
|
||||
|
||||
val = bfd_get_32 (abfd, tmp_reloc.offset);
|
||||
addend = bfd_get_32 (abfd, tmp_reloc.addend);
|
||||
type = bfd_get_8 (abfd, tmp_reloc.type);
|
||||
|
||||
rel->address = val;
|
||||
rel->addend = addend;
|
||||
rel->howto = NULL;
|
||||
|
||||
for (index = 0;
|
||||
index < sizeof(nlm32_sparc_howto_table) / sizeof(reloc_howto_type);
|
||||
index++)
|
||||
if (nlm32_sparc_howto_table[index].type == type) {
|
||||
rel->howto = &nlm32_sparc_howto_table[index];
|
||||
break;
|
||||
}
|
||||
|
||||
#ifdef DEBUG
|
||||
fprintf (stderr, "%s: address = %08lx, addend = %08lx, type = %d, howto = %08lx\n",
|
||||
__FILE__, rel->address, rel->addend, type, rel->howto);
|
||||
#endif
|
||||
return true;
|
||||
|
||||
}
|
||||
|
||||
/* Write a NetWare sparc reloc. */
|
||||
|
||||
static boolean
|
||||
nlm_sparc_write_reloc (abfd, sec, rel)
|
||||
bfd *abfd;
|
||||
asection *sec;
|
||||
arelent *rel;
|
||||
{
|
||||
bfd_vma val;
|
||||
struct nlm32_sparc_reloc_ext tmp_reloc = {0};
|
||||
int index;
|
||||
int type = -1;
|
||||
reloc_howto_type *tmp;
|
||||
|
||||
|
||||
for (index = 0;
|
||||
index < sizeof (nlm32_sparc_howto_table) / sizeof(reloc_howto_type);
|
||||
index++) {
|
||||
tmp = &nlm32_sparc_howto_table[index];
|
||||
|
||||
if (tmp->rightshift == rel->howto->rightshift
|
||||
&& tmp->size == rel->howto->size
|
||||
&& tmp->bitsize == rel->howto->bitsize
|
||||
&& tmp->pc_relative == rel->howto->pc_relative
|
||||
&& tmp->bitpos == rel->howto->bitpos
|
||||
&& tmp->src_mask == rel->howto->src_mask
|
||||
&& tmp->dst_mask == rel->howto->dst_mask) {
|
||||
type = tmp->type;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (type == -1)
|
||||
abort();
|
||||
|
||||
/*
|
||||
* Netware wants a list of relocs for each address.
|
||||
* Format is:
|
||||
* long offset
|
||||
* long addend
|
||||
* char type
|
||||
* That should be it.
|
||||
*/
|
||||
|
||||
/* The value we write out is the offset into the appropriate
|
||||
segment. This offset is the section vma, adjusted by the vma of
|
||||
the lowest section in that segment, plus the address of the
|
||||
relocation. */
|
||||
val = bfd_get_section_vma (abfd, sec) + rel->address;
|
||||
|
||||
#ifdef DEBUG
|
||||
fprintf (stderr, "%s: val = %08lx, addend = %08lx, type = %d\n",
|
||||
__FILE__, val, rel->addend, rel->howto->type);
|
||||
#endif
|
||||
bfd_put_32 (abfd, val, tmp_reloc.offset);
|
||||
bfd_put_32 (abfd, rel->addend, tmp_reloc.addend);
|
||||
bfd_put_8 (abfd, (short)(rel->howto->type), tmp_reloc.type);
|
||||
|
||||
if (bfd_write (&tmp_reloc, 12, 1, abfd) != 12)
|
||||
{
|
||||
abort();
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
/* Mangle relocs for SPARC NetWare. We can just use the standard
|
||||
SPARC relocs. */
|
||||
|
||||
static boolean
|
||||
nlm_sparc_mangle_relocs (abfd, sec, data, offset, count)
|
||||
bfd *abfd;
|
||||
asection *sec;
|
||||
PTR data;
|
||||
bfd_vma offset;
|
||||
bfd_size_type count;
|
||||
{
|
||||
return true;
|
||||
}
|
||||
|
||||
/* Read a NetWare sparc import record */
|
||||
static boolean
|
||||
nlm_sparc_read_import (abfd, sym)
|
||||
bfd *abfd;
|
||||
nlmNAME(symbol_type) *sym;
|
||||
{
|
||||
struct nlm_relent *nlm_relocs; /* relocation records for symbol */
|
||||
bfd_size_type rcount; /* number of relocs */
|
||||
bfd_byte temp[NLM_TARGET_LONG_SIZE]; /* temporary 32-bit value */
|
||||
unsigned char symlength; /* length of symbol name */
|
||||
|
||||
/*
|
||||
* First, read in the number of relocation
|
||||
* entries for this symbol
|
||||
*/
|
||||
if (bfd_read ((PTR) temp, 4, 1, abfd)
|
||||
!= 4)
|
||||
{
|
||||
bfd_error = system_call_error;
|
||||
return (false);
|
||||
}
|
||||
|
||||
rcount = bfd_get_32 (abfd, temp);
|
||||
|
||||
/*
|
||||
* Next, read in the length of the symbol
|
||||
*/
|
||||
|
||||
if (bfd_read ((PTR) &symlength, sizeof (symlength), 1, abfd)
|
||||
!= sizeof (symlength))
|
||||
{
|
||||
bfd_error = system_call_error;
|
||||
return (false);
|
||||
}
|
||||
sym -> symbol.the_bfd = abfd;
|
||||
sym -> symbol.name = bfd_alloc (abfd, symlength + 1);
|
||||
|
||||
/*
|
||||
* Then read in the symbol
|
||||
*/
|
||||
|
||||
if (bfd_read ((PTR) sym -> symbol.name, symlength, 1, abfd)
|
||||
!= symlength)
|
||||
{
|
||||
bfd_error = system_call_error;
|
||||
return (false);
|
||||
}
|
||||
sym -> symbol.flags = 0;
|
||||
sym -> symbol.value = 0;
|
||||
sym -> symbol.section = &bfd_und_section;
|
||||
|
||||
/*
|
||||
* Next, start reading in the relocs.
|
||||
*/
|
||||
|
||||
nlm_relocs = ((struct nlm_relent *)
|
||||
bfd_alloc (abfd, rcount * sizeof (struct nlm_relent)));
|
||||
sym -> relocs = nlm_relocs;
|
||||
sym -> rcnt = 0;
|
||||
while (sym -> rcnt < rcount)
|
||||
{
|
||||
asection *section;
|
||||
|
||||
if (nlm_sparc_read_reloc (abfd, sym, §ion,
|
||||
&nlm_relocs -> reloc)
|
||||
== false)
|
||||
return false;
|
||||
nlm_relocs -> section = section;
|
||||
nlm_relocs++;
|
||||
sym -> rcnt++;
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
||||
static boolean
|
||||
nlm_sparc_write_import (abfd, sec, rel)
|
||||
bfd *abfd;
|
||||
asection *sec;
|
||||
arelent *rel;
|
||||
{
|
||||
char temp[4];
|
||||
|
||||
bfd_put_32 (abfd, (*rel->sym_ptr_ptr)->value, temp);
|
||||
bfd_write ((PTR)temp, 4, 1, abfd);
|
||||
bfd_put_32 (abfd, 1, temp);
|
||||
bfd_write ((PTR)temp, 4, 1, abfd);
|
||||
if (nlm_sparc_write_reloc (abfd, sec, rel) == false)
|
||||
return false;
|
||||
return true;
|
||||
}
|
||||
|
||||
/* Write out an external reference. */
|
||||
|
||||
static boolean
|
||||
nlm_sparc_write_external (abfd, count, sym, relocs)
|
||||
bfd *abfd;
|
||||
bfd_size_type count;
|
||||
asymbol *sym;
|
||||
struct reloc_and_sec *relocs;
|
||||
{
|
||||
int i;
|
||||
bfd_byte len;
|
||||
unsigned char temp[NLM_TARGET_LONG_SIZE];
|
||||
|
||||
bfd_put_32 (abfd, count, temp);
|
||||
if (bfd_write (temp, sizeof(temp), 1, abfd) != sizeof (temp))
|
||||
{
|
||||
bfd_error = system_call_error;
|
||||
return false;
|
||||
}
|
||||
|
||||
len = strlen (sym->name);
|
||||
if ((bfd_write (&len, sizeof (bfd_byte), 1, abfd) != sizeof(bfd_byte))
|
||||
|| bfd_write (sym->name, len, 1, abfd) != len)
|
||||
{
|
||||
bfd_error = system_call_error;
|
||||
return false;
|
||||
}
|
||||
|
||||
for (i = 0; i < count; i++)
|
||||
{
|
||||
if (nlm_sparc_write_reloc (abfd, relocs[i].sec,
|
||||
relocs[i].rel) == false)
|
||||
return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
|
||||
#undef nlm_swap_fixed_header_in
|
||||
#undef nlm_swap_fixed_header_out
|
||||
|
||||
#include "nlmswap.h"
|
||||
|
||||
static const struct nlm_backend_data nlm32_sparc_backend =
|
||||
{
|
||||
"NetWare SPARC Module \032",
|
||||
sizeof (Nlm32_sparc_External_Fixed_Header),
|
||||
0, /* optional_prefix_size */
|
||||
bfd_arch_sparc,
|
||||
0,
|
||||
0, /* backend_object_p */
|
||||
0, /* write_prefix_func */
|
||||
nlm_sparc_read_reloc,
|
||||
nlm_sparc_mangle_relocs,
|
||||
nlm_sparc_read_import,
|
||||
nlm_sparc_write_import,
|
||||
0, /* set_public_section */
|
||||
0, /* get_public_offset */
|
||||
nlm_swap_fixed_header_in,
|
||||
nlm_swap_fixed_header_out,
|
||||
nlm_sparc_write_external,
|
||||
};
|
||||
|
||||
#define TARGET_BIG_NAME "nlm32-sparc"
|
||||
#define TARGET_BIG_SYM nlmNAME(sparc_vec)
|
||||
#define TARGET_BACKEND_DATA &nlm32_sparc_backend
|
||||
|
||||
#include "nlm-target.h"
|
448
bfd/nlmcode.h
448
bfd/nlmcode.h
|
@ -51,14 +51,15 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
|
|||
#define nlm_set_section_contents nlmNAME(set_section_contents)
|
||||
#define nlm_write_object_contents nlmNAME(write_object_contents)
|
||||
|
||||
#define nlm_swap_fixed_header_in(abfd,src,dst) \
|
||||
(nlm_swap_fixed_header_in_func(abfd))(abfd,src,dst)
|
||||
#define nlm_swap_fixed_header_out(abfd,src,dst) \
|
||||
(nlm_swap_fixed_header_out_func(abfd))(abfd,src,dst)
|
||||
|
||||
/* Forward declarations of static functions */
|
||||
|
||||
static boolean add_bfd_section
|
||||
PARAMS ((bfd *, char *, file_ptr, bfd_size_type, flagword));
|
||||
static void nlm_swap_fixed_header_in
|
||||
PARAMS ((bfd *, Nlm_External_Fixed_Header *, Nlm_Internal_Fixed_Header *));
|
||||
static void nlm_swap_fixed_header_out
|
||||
PARAMS ((bfd *, Nlm_Internal_Fixed_Header *, Nlm_External_Fixed_Header *));
|
||||
static boolean nlm_swap_variable_header_in
|
||||
PARAMS ((bfd *));
|
||||
static boolean nlm_swap_variable_header_out
|
||||
|
@ -92,63 +93,73 @@ static int nlm_external_reloc_compare
|
|||
bfd_target *
|
||||
DEFUN (nlm_object_p, (abfd), bfd * abfd)
|
||||
{
|
||||
Nlm_External_Fixed_Header x_fxdhdr; /* Nlm file header, external form */
|
||||
Nlm_Internal_Fixed_Header *i_fxdhdrp; /* Nlm file header, internal form */
|
||||
struct nlm_obj_tdata *preserved_tdata = nlm_tdata (abfd);
|
||||
boolean (*backend_object_p) PARAMS ((bfd *));
|
||||
PTR x_fxdhdr;
|
||||
Nlm_Internal_Fixed_Header *i_fxdhdrp;
|
||||
const char *signature;
|
||||
enum bfd_architecture arch;
|
||||
|
||||
/* Some NLM formats have a prefix before the standard NLM fixed
|
||||
header. */
|
||||
backend_object_p = nlm_backend_object_p_func (abfd);
|
||||
if (backend_object_p)
|
||||
{
|
||||
if (! (*backend_object_p) (abfd))
|
||||
goto got_wrong_format_error;
|
||||
}
|
||||
|
||||
/* Read in the fixed length portion of the NLM header in external format. */
|
||||
|
||||
if (bfd_read ((PTR) &x_fxdhdr, sizeof (x_fxdhdr), 1, abfd) !=
|
||||
sizeof (x_fxdhdr))
|
||||
x_fxdhdr = alloca (nlm_fixed_header_size (abfd));
|
||||
|
||||
if (bfd_read ((PTR) x_fxdhdr, nlm_fixed_header_size (abfd), 1, abfd) !=
|
||||
nlm_fixed_header_size (abfd))
|
||||
{
|
||||
bfd_error = system_call_error;
|
||||
return (NULL);
|
||||
goto got_no_match;
|
||||
}
|
||||
|
||||
/* Check to see if we have an NLM file by matching the NLM signature. */
|
||||
|
||||
if (strncmp (x_fxdhdr.signature, NLM_SIGNATURE, NLM_SIGNATURE_SIZE) != 0)
|
||||
{
|
||||
bfd_error = wrong_format;
|
||||
return (NULL);
|
||||
}
|
||||
|
||||
/* There's no supported way to discover the endianess of an NLM, so test for
|
||||
a sane version number after doing byte swapping appropriate for this
|
||||
XVEC. (Hack alert!) */
|
||||
|
||||
if (get_word (abfd, (bfd_byte *) x_fxdhdr.version) > 0xFFFF)
|
||||
{
|
||||
bfd_error = wrong_format;
|
||||
return (NULL);
|
||||
}
|
||||
|
||||
/* There's no supported way to check for 32 bit versus 64 bit addresses,
|
||||
so ignore this distinction for now. (FIXME) */
|
||||
|
||||
/* Allocate an instance of the nlm_obj_tdata structure and hook it up to
|
||||
the tdata pointer in the bfd.
|
||||
FIXME: If we later decide this isn't the right format and the bfd
|
||||
already had valid tdata, we've just blown away the tdata we wanted
|
||||
to save for the right format. */
|
||||
the tdata pointer in the bfd. */
|
||||
|
||||
nlm_tdata (abfd) = (struct nlm_obj_tdata *)
|
||||
bfd_zalloc (abfd, sizeof (struct nlm_obj_tdata));
|
||||
if (nlm_tdata (abfd) == NULL)
|
||||
{
|
||||
bfd_error = no_memory;
|
||||
return (NULL);
|
||||
goto got_no_match;
|
||||
}
|
||||
|
||||
i_fxdhdrp = nlm_fixed_header (abfd);
|
||||
nlm_swap_fixed_header_in (abfd, x_fxdhdr, i_fxdhdrp);
|
||||
|
||||
/* Check to see if we have an NLM file for this backend by matching
|
||||
the NLM signature. */
|
||||
|
||||
signature = nlm_signature (abfd);
|
||||
if (signature != NULL
|
||||
&& *signature != '\0'
|
||||
&& strncmp ((char *) i_fxdhdrp->signature, signature,
|
||||
NLM_SIGNATURE_SIZE) != 0)
|
||||
goto got_wrong_format_error;
|
||||
|
||||
/* There's no supported way to discover the endianess of an NLM, so test for
|
||||
a sane version number after doing byte swapping appropriate for this
|
||||
XVEC. (Hack alert!) */
|
||||
|
||||
if (i_fxdhdrp->version > 0xFFFF)
|
||||
goto got_wrong_format_error;
|
||||
|
||||
/* There's no supported way to check for 32 bit versus 64 bit addresses,
|
||||
so ignore this distinction for now. (FIXME) */
|
||||
|
||||
/* FIXME: Any return(NULL) exits below here will leak memory (tdata).
|
||||
And a memory leak also means we lost the real tdata info we wanted
|
||||
to save, because it was in the leaked memory. */
|
||||
|
||||
/* Swap in the rest of the fixed length header. */
|
||||
|
||||
i_fxdhdrp = nlm_fixed_header (abfd);
|
||||
nlm_swap_fixed_header_in (abfd, &x_fxdhdr, i_fxdhdrp);
|
||||
|
||||
if (!nlm_swap_variable_header_in (abfd)
|
||||
|| !nlm_swap_auxiliary_headers_in (abfd)
|
||||
|| !add_bfd_section (abfd, NLM_CODE_NAME,
|
||||
|
@ -165,10 +176,7 @@ DEFUN (nlm_object_p, (abfd), bfd * abfd)
|
|||
(file_ptr) 0,
|
||||
i_fxdhdrp -> uninitializedDataSize,
|
||||
SEC_ALLOC))
|
||||
{
|
||||
bfd_error = wrong_format;
|
||||
return (NULL);
|
||||
}
|
||||
goto got_wrong_format_error;
|
||||
|
||||
if (nlm_fixed_header (abfd)->numberOfRelocationFixups != 0
|
||||
|| nlm_fixed_header (abfd)->numberOfExternalReferences != 0)
|
||||
|
@ -183,6 +191,12 @@ DEFUN (nlm_object_p, (abfd), bfd * abfd)
|
|||
bfd_default_set_arch_mach (abfd, arch, (unsigned long) 0);
|
||||
|
||||
return (abfd -> xvec);
|
||||
|
||||
got_wrong_format_error:
|
||||
bfd_error = wrong_format;
|
||||
got_no_match:
|
||||
nlm_tdata (abfd) = preserved_tdata;
|
||||
return (NULL);
|
||||
}
|
||||
|
||||
/* Add a section to the bfd. */
|
||||
|
@ -210,124 +224,6 @@ DEFUN (add_bfd_section, (abfd, name, offset, size, flags),
|
|||
return (true);
|
||||
}
|
||||
|
||||
/* Translate an NLM fixed length file header in external format into an NLM
|
||||
file header in internal format. */
|
||||
|
||||
static void
|
||||
DEFUN (nlm_swap_fixed_header_in, (abfd, src, dst),
|
||||
bfd * abfd AND
|
||||
Nlm_External_Fixed_Header * src AND
|
||||
Nlm_Internal_Fixed_Header * dst)
|
||||
{
|
||||
memcpy (dst -> signature, src -> signature, NLM_SIGNATURE_SIZE);
|
||||
memcpy (dst -> moduleName, src -> moduleName, NLM_MODULE_NAME_SIZE);
|
||||
dst -> version =
|
||||
get_word (abfd, (bfd_byte *) src -> version);
|
||||
dst -> codeImageOffset =
|
||||
get_word (abfd, (bfd_byte *) src -> codeImageOffset);
|
||||
dst -> codeImageSize =
|
||||
get_word (abfd, (bfd_byte *) src -> codeImageSize);
|
||||
dst -> dataImageOffset =
|
||||
get_word (abfd, (bfd_byte *) src -> dataImageOffset);
|
||||
dst -> dataImageSize =
|
||||
get_word (abfd, (bfd_byte *) src -> dataImageSize);
|
||||
dst -> uninitializedDataSize =
|
||||
get_word (abfd, (bfd_byte *) src -> uninitializedDataSize);
|
||||
dst -> customDataOffset =
|
||||
get_word (abfd, (bfd_byte *) src -> customDataOffset);
|
||||
dst -> customDataSize =
|
||||
get_word (abfd, (bfd_byte *) src -> customDataSize);
|
||||
dst -> moduleDependencyOffset =
|
||||
get_word (abfd, (bfd_byte *) src -> moduleDependencyOffset);
|
||||
dst -> numberOfModuleDependencies =
|
||||
get_word (abfd, (bfd_byte *) src -> numberOfModuleDependencies);
|
||||
dst -> relocationFixupOffset =
|
||||
get_word (abfd, (bfd_byte *) src -> relocationFixupOffset);
|
||||
dst -> numberOfRelocationFixups =
|
||||
get_word (abfd, (bfd_byte *) src -> numberOfRelocationFixups);
|
||||
dst -> externalReferencesOffset =
|
||||
get_word (abfd, (bfd_byte *) src -> externalReferencesOffset);
|
||||
dst -> numberOfExternalReferences =
|
||||
get_word (abfd, (bfd_byte *) src -> numberOfExternalReferences);
|
||||
dst -> publicsOffset =
|
||||
get_word (abfd, (bfd_byte *) src -> publicsOffset);
|
||||
dst -> numberOfPublics =
|
||||
get_word (abfd, (bfd_byte *) src -> numberOfPublics);
|
||||
dst -> debugInfoOffset =
|
||||
get_word (abfd, (bfd_byte *) src -> debugInfoOffset);
|
||||
dst -> numberOfDebugRecords =
|
||||
get_word (abfd, (bfd_byte *) src -> numberOfDebugRecords);
|
||||
dst -> codeStartOffset =
|
||||
get_word (abfd, (bfd_byte *) src -> codeStartOffset);
|
||||
dst -> exitProcedureOffset =
|
||||
get_word (abfd, (bfd_byte *) src -> exitProcedureOffset);
|
||||
dst -> checkUnloadProcedureOffset =
|
||||
get_word (abfd, (bfd_byte *) src -> checkUnloadProcedureOffset);
|
||||
dst -> moduleType =
|
||||
get_word (abfd, (bfd_byte *) src -> moduleType);
|
||||
dst -> flags =
|
||||
get_word (abfd, (bfd_byte *) src -> flags);
|
||||
}
|
||||
|
||||
/* Translate an NLM fixed length file header in internal format into
|
||||
an NLM file header in external format. */
|
||||
|
||||
static void
|
||||
DEFUN (nlm_swap_fixed_header_out, (abfd, src, dst),
|
||||
bfd * abfd AND
|
||||
Nlm_Internal_Fixed_Header * src AND
|
||||
Nlm_External_Fixed_Header * dst)
|
||||
{
|
||||
memcpy (dst -> signature, src -> signature, NLM_SIGNATURE_SIZE);
|
||||
memcpy (dst -> moduleName, src -> moduleName, NLM_MODULE_NAME_SIZE);
|
||||
put_word (abfd, (bfd_vma) src -> version,
|
||||
(bfd_byte *) dst -> version);
|
||||
put_word (abfd, (bfd_vma) src -> codeImageOffset,
|
||||
(bfd_byte *) dst -> codeImageOffset);
|
||||
put_word (abfd, (bfd_vma) src -> codeImageSize,
|
||||
(bfd_byte *) dst -> codeImageSize);
|
||||
put_word (abfd, (bfd_vma) src -> dataImageOffset,
|
||||
(bfd_byte *) dst -> dataImageOffset);
|
||||
put_word (abfd, (bfd_vma) src -> dataImageSize,
|
||||
(bfd_byte *) dst -> dataImageSize);
|
||||
put_word (abfd, (bfd_vma) src -> uninitializedDataSize,
|
||||
(bfd_byte *) dst -> uninitializedDataSize);
|
||||
put_word (abfd, (bfd_vma) src -> customDataOffset,
|
||||
(bfd_byte *) dst -> customDataOffset);
|
||||
put_word (abfd, (bfd_vma) src -> customDataSize,
|
||||
(bfd_byte *) dst -> customDataSize);
|
||||
put_word (abfd, (bfd_vma) src -> moduleDependencyOffset,
|
||||
(bfd_byte *) dst -> moduleDependencyOffset);
|
||||
put_word (abfd, (bfd_vma) src -> numberOfModuleDependencies,
|
||||
(bfd_byte *) dst -> numberOfModuleDependencies);
|
||||
put_word (abfd, (bfd_vma) src -> relocationFixupOffset,
|
||||
(bfd_byte *) dst -> relocationFixupOffset);
|
||||
put_word (abfd, (bfd_vma) src -> numberOfRelocationFixups,
|
||||
(bfd_byte *) dst -> numberOfRelocationFixups);
|
||||
put_word (abfd, (bfd_vma) src -> externalReferencesOffset,
|
||||
(bfd_byte *) dst -> externalReferencesOffset);
|
||||
put_word (abfd, (bfd_vma) src -> numberOfExternalReferences,
|
||||
(bfd_byte *) dst -> numberOfExternalReferences);
|
||||
put_word (abfd, (bfd_vma) src -> publicsOffset,
|
||||
(bfd_byte *) dst -> publicsOffset);
|
||||
put_word (abfd, (bfd_vma) src -> numberOfPublics,
|
||||
(bfd_byte *) dst -> numberOfPublics);
|
||||
put_word (abfd, (bfd_vma) src -> debugInfoOffset,
|
||||
(bfd_byte *) dst -> debugInfoOffset);
|
||||
put_word (abfd, (bfd_vma) src -> numberOfDebugRecords,
|
||||
(bfd_byte *) dst -> numberOfDebugRecords);
|
||||
put_word (abfd, (bfd_vma) src -> codeStartOffset,
|
||||
(bfd_byte *) dst -> codeStartOffset);
|
||||
put_word (abfd, (bfd_vma) src -> exitProcedureOffset,
|
||||
(bfd_byte *) dst -> exitProcedureOffset);
|
||||
put_word (abfd, (bfd_vma) src -> checkUnloadProcedureOffset,
|
||||
(bfd_byte *) dst -> checkUnloadProcedureOffset);
|
||||
put_word (abfd, (bfd_vma) src -> moduleType,
|
||||
(bfd_byte *) dst -> moduleType);
|
||||
put_word (abfd, (bfd_vma) src -> flags,
|
||||
(bfd_byte *) dst -> flags);
|
||||
}
|
||||
|
||||
/* Read and swap in the variable length header. All the fields must
|
||||
exist in the NLM, and must exist in the order they are read here. */
|
||||
|
||||
|
@ -537,7 +433,7 @@ static boolean
|
|||
DEFUN (nlm_swap_auxiliary_headers_in, (abfd),
|
||||
bfd * abfd)
|
||||
{
|
||||
unsigned char tempstr [16];
|
||||
char tempstr [16];
|
||||
long position;
|
||||
|
||||
for (;;)
|
||||
|
@ -623,6 +519,10 @@ DEFUN (nlm_swap_auxiliary_headers_in, (abfd),
|
|||
get_word (abfd, (bfd_byte *) thdr.sharedPublicsOffset);
|
||||
nlm_extended_header (abfd) -> sharedPublicsCount =
|
||||
get_word (abfd, (bfd_byte *) thdr.sharedPublicsCount);
|
||||
nlm_extended_header (abfd) -> sharedDebugRecordOffset =
|
||||
get_word (abfd, (bfd_byte *) thdr.sharedDebugRecordOffset);
|
||||
nlm_extended_header (abfd) -> sharedDebugRecordCount =
|
||||
get_word (abfd, (bfd_byte *) thdr.sharedDebugRecordCount);
|
||||
nlm_extended_header (abfd) -> SharedInitializationOffset =
|
||||
get_word (abfd, (bfd_byte *) thdr.sharedInitializationOffset);
|
||||
nlm_extended_header (abfd) -> SharedExitProcedureOffset =
|
||||
|
@ -661,7 +561,6 @@ DEFUN (nlm_swap_auxiliary_headers_in, (abfd),
|
|||
}
|
||||
else if (strncmp (tempstr, "CoPyRiGhT=", 10) == 0)
|
||||
{
|
||||
Nlm_External_Copyright_Header thdr;
|
||||
if (bfd_read ((PTR) &nlm_copyright_header (abfd)->stamp,
|
||||
sizeof (nlm_copyright_header (abfd)->stamp),
|
||||
1, abfd)
|
||||
|
@ -805,6 +704,12 @@ nlm_swap_auxiliary_headers_out (abfd)
|
|||
put_word (abfd,
|
||||
(bfd_vma) nlm_extended_header (abfd) -> sharedPublicsCount,
|
||||
(bfd_byte *) thdr.sharedPublicsCount);
|
||||
put_word (abfd,
|
||||
(bfd_vma) nlm_extended_header (abfd) -> sharedDebugRecordOffset,
|
||||
(bfd_byte *) thdr.sharedDebugRecordOffset);
|
||||
put_word (abfd,
|
||||
(bfd_vma) nlm_extended_header (abfd) -> sharedDebugRecordCount,
|
||||
(bfd_byte *) thdr.sharedDebugRecordCount);
|
||||
put_word (abfd,
|
||||
(bfd_vma) nlm_extended_header (abfd) -> SharedInitializationOffset,
|
||||
(bfd_byte *) thdr.sharedInitializationOffset);
|
||||
|
@ -1026,10 +931,9 @@ nlm_slurp_symbol_table (abfd)
|
|||
nlm_symbol_type *sym; /* Pointer to current bfd symbol */
|
||||
unsigned char symlength; /* Symbol length read into here */
|
||||
unsigned char symtype; /* Type of debugging symbol */
|
||||
bfd_size_type rcount; /* Number of relocs */
|
||||
bfd_byte temp[NLM_TARGET_LONG_SIZE]; /* Symbol offsets read into here */
|
||||
boolean (*read_reloc_func) PARAMS ((bfd *, nlm_symbol_type *, asection **,
|
||||
arelent *));
|
||||
boolean (*read_import_func) PARAMS ((bfd *, nlm_symbol_type *));
|
||||
boolean (*set_public_section_func) PARAMS ((bfd *, nlm_symbol_type *));
|
||||
|
||||
if (nlm_get_symbols (abfd) != NULL)
|
||||
return (true);
|
||||
|
@ -1066,6 +970,7 @@ nlm_slurp_symbol_table (abfd)
|
|||
termination of the loop leaves the symcount correct for the symbols that
|
||||
were read. */
|
||||
|
||||
set_public_section_func = nlm_set_public_section_func (abfd);
|
||||
symcount = i_fxdhdrp -> numberOfPublics;
|
||||
while (abfd -> symcount < symcount)
|
||||
{
|
||||
|
@ -1083,6 +988,8 @@ nlm_slurp_symbol_table (abfd)
|
|||
bfd_error = system_call_error;
|
||||
return (false);
|
||||
}
|
||||
/* Cast away const. */
|
||||
((char *) (sym -> symbol.name))[symlength] = '\0';
|
||||
if (bfd_read ((PTR) temp, sizeof (temp), 1, abfd) != sizeof (temp))
|
||||
{
|
||||
bfd_error = system_call_error;
|
||||
|
@ -1090,17 +997,27 @@ nlm_slurp_symbol_table (abfd)
|
|||
}
|
||||
sym -> symbol.flags = BSF_GLOBAL | BSF_EXPORT;
|
||||
sym -> symbol.value = get_word (abfd, temp);
|
||||
if (sym -> symbol.value & NLM_HIBIT)
|
||||
if (set_public_section_func)
|
||||
{
|
||||
sym -> symbol.value &= ~NLM_HIBIT;
|
||||
sym -> symbol.flags |= BSF_FUNCTION;
|
||||
sym -> symbol.section =
|
||||
bfd_get_section_by_name (abfd, NLM_CODE_NAME);
|
||||
/* Most backends can use the code below, but unfortunately
|
||||
some use a different scheme. */
|
||||
if ((*set_public_section_func) (abfd, sym) == false)
|
||||
return false;
|
||||
}
|
||||
else
|
||||
{
|
||||
sym -> symbol.section =
|
||||
bfd_get_section_by_name (abfd, NLM_INITIALIZED_DATA_NAME);
|
||||
if (sym -> symbol.value & NLM_HIBIT)
|
||||
{
|
||||
sym -> symbol.value &= ~NLM_HIBIT;
|
||||
sym -> symbol.flags |= BSF_FUNCTION;
|
||||
sym -> symbol.section =
|
||||
bfd_get_section_by_name (abfd, NLM_CODE_NAME);
|
||||
}
|
||||
else
|
||||
{
|
||||
sym -> symbol.section =
|
||||
bfd_get_section_by_name (abfd, NLM_INITIALIZED_DATA_NAME);
|
||||
}
|
||||
}
|
||||
sym -> rcnt = 0;
|
||||
abfd -> symcount++;
|
||||
|
@ -1137,6 +1054,8 @@ nlm_slurp_symbol_table (abfd)
|
|||
bfd_error = system_call_error;
|
||||
return (false);
|
||||
}
|
||||
/* Cast away const. */
|
||||
((char *) (sym -> symbol.name))[symlength] = '\0';
|
||||
sym -> symbol.flags = BSF_LOCAL;
|
||||
sym -> symbol.value = get_word (abfd, temp);
|
||||
if (symtype == 0)
|
||||
|
@ -1163,8 +1082,8 @@ nlm_slurp_symbol_table (abfd)
|
|||
/* Read in the import records. We can only do this if we know how
|
||||
to read relocs for this target. */
|
||||
|
||||
read_reloc_func = nlm_read_reloc_func (abfd);
|
||||
if (read_reloc_func != NULL)
|
||||
read_import_func = nlm_read_import_func (abfd);
|
||||
if (read_import_func != NULL)
|
||||
{
|
||||
if (bfd_seek (abfd, i_fxdhdrp -> externalReferencesOffset, SEEK_SET)
|
||||
== -1)
|
||||
|
@ -1176,50 +1095,10 @@ nlm_slurp_symbol_table (abfd)
|
|||
symcount += i_fxdhdrp -> numberOfExternalReferences;
|
||||
while (abfd -> symcount < symcount)
|
||||
{
|
||||
struct nlm_relent *nlm_relocs;
|
||||
|
||||
if (bfd_read ((PTR) &symlength, sizeof (symlength), 1, abfd)
|
||||
!= sizeof (symlength))
|
||||
{
|
||||
bfd_error = system_call_error;
|
||||
return (false);
|
||||
}
|
||||
sym -> symbol.the_bfd = abfd;
|
||||
sym -> symbol.name = bfd_alloc (abfd, symlength + 1);
|
||||
if (bfd_read ((PTR) sym -> symbol.name, symlength, 1, abfd)
|
||||
!= symlength)
|
||||
{
|
||||
bfd_error = system_call_error;
|
||||
return (false);
|
||||
}
|
||||
sym -> symbol.flags = 0;
|
||||
sym -> symbol.value = 0;
|
||||
sym -> symbol.section = &bfd_und_section;
|
||||
if (bfd_read ((PTR) temp, sizeof (temp), 1, abfd) != sizeof (temp))
|
||||
{
|
||||
bfd_error = system_call_error;
|
||||
return (false);
|
||||
}
|
||||
rcount = get_word (abfd, temp);
|
||||
nlm_relocs = ((struct nlm_relent *)
|
||||
bfd_alloc (abfd, rcount * sizeof (struct nlm_relent)));
|
||||
sym -> relocs = nlm_relocs;
|
||||
sym -> rcnt = 0;
|
||||
while (sym -> rcnt < rcount)
|
||||
{
|
||||
asection *section;
|
||||
|
||||
if ((*read_reloc_func) (abfd, sym, §ion,
|
||||
&nlm_relocs -> reloc)
|
||||
== false)
|
||||
return false;
|
||||
nlm_relocs -> section = section;
|
||||
nlm_relocs++;
|
||||
sym -> rcnt++;
|
||||
}
|
||||
|
||||
abfd -> symcount++;
|
||||
if ((*read_import_func) (abfd, sym) == false)
|
||||
return false;
|
||||
sym++;
|
||||
abfd->symcount++;
|
||||
}
|
||||
}
|
||||
|
||||
|
@ -1444,7 +1323,7 @@ nlm_compute_section_file_positions (abfd)
|
|||
abfd->output_has_begun = true;
|
||||
|
||||
/* The fixed header. */
|
||||
sofar = sizeof (Nlm_External_Fixed_Header);
|
||||
sofar = nlm_optional_prefix_size (abfd) + nlm_fixed_header_size (abfd);
|
||||
|
||||
/* The variable header. */
|
||||
sofar += (sizeof (nlm_variable_header (abfd)->descriptionLength)
|
||||
|
@ -1644,12 +1523,6 @@ nlm_set_section_contents (abfd, section, location, offset, count)
|
|||
/* We need to sort a list of relocs associated with sections when we
|
||||
write out the external relocs. */
|
||||
|
||||
struct reloc_and_sec
|
||||
{
|
||||
arelent *rel;
|
||||
asection *sec;
|
||||
};
|
||||
|
||||
static int
|
||||
nlm_external_reloc_compare (p1, p2)
|
||||
const void *p1;
|
||||
|
@ -1694,20 +1567,23 @@ boolean
|
|||
nlm_write_object_contents (abfd)
|
||||
bfd *abfd;
|
||||
{
|
||||
Nlm_External_Fixed_Header fixed_header;
|
||||
asection *sec;
|
||||
boolean (*write_reloc_func) PARAMS ((bfd *, asection *, arelent *));
|
||||
boolean (*write_import_func) PARAMS ((bfd *, asection *, arelent *));
|
||||
bfd_size_type external_reloc_count, internal_reloc_count, i, c;
|
||||
struct reloc_and_sec *external_relocs;
|
||||
asymbol **sym_ptr_ptr;
|
||||
file_ptr last;
|
||||
boolean (*write_prefix_func) PARAMS ((bfd *));
|
||||
unsigned char *fixed_header = alloca (nlm_fixed_header_size (abfd));
|
||||
|
||||
if (abfd->output_has_begun == false
|
||||
&& nlm_compute_section_file_positions (abfd) == false)
|
||||
return false;
|
||||
|
||||
/* Write out the variable length headers. */
|
||||
if (bfd_seek (abfd, sizeof (Nlm_External_Fixed_Header), SEEK_SET) != 0)
|
||||
if (bfd_seek (abfd,
|
||||
nlm_optional_prefix_size (abfd) + nlm_fixed_header_size (abfd),
|
||||
SEEK_SET) != 0)
|
||||
{
|
||||
bfd_error = system_call_error;
|
||||
return false;
|
||||
|
@ -1738,7 +1614,7 @@ nlm_write_object_contents (abfd)
|
|||
/* The format of the relocation entries is dependent upon the
|
||||
particular target. We use an external routine to write the reloc
|
||||
out. */
|
||||
write_reloc_func = nlm_write_reloc_func (abfd);
|
||||
write_import_func = nlm_write_import_func (abfd);
|
||||
|
||||
/* Write out the internal relocation fixups. While we're looping
|
||||
over the relocs, we also count the external relocs, which is
|
||||
|
@ -1753,15 +1629,12 @@ nlm_write_object_contents (abfd)
|
|||
continue;
|
||||
|
||||
/* We can only represent relocs within a code or data
|
||||
section. */
|
||||
section. We ignore them for a debugging section. */
|
||||
if ((bfd_get_section_flags (abfd, sec) & (SEC_CODE | SEC_DATA)) == 0)
|
||||
{
|
||||
bfd_error = invalid_operation;
|
||||
return false;
|
||||
}
|
||||
continue;
|
||||
|
||||
/* We need to know how to write out relocs. */
|
||||
if (write_reloc_func == NULL)
|
||||
/* We need to know how to write out imports */
|
||||
if (write_import_func == NULL)
|
||||
{
|
||||
bfd_error = invalid_operation;
|
||||
return false;
|
||||
|
@ -1780,7 +1653,7 @@ nlm_write_object_contents (abfd)
|
|||
if (bfd_get_section (sym) != &bfd_und_section)
|
||||
{
|
||||
++internal_reloc_count;
|
||||
if ((*write_reloc_func) (abfd, sec, rel) == false)
|
||||
if ((*write_import_func) (abfd, sec, rel) == false)
|
||||
return false;
|
||||
}
|
||||
else
|
||||
|
@ -1843,24 +1716,13 @@ nlm_write_object_contents (abfd)
|
|||
{
|
||||
arelent *rel;
|
||||
asymbol *sym;
|
||||
bfd_byte len;
|
||||
bfd_size_type j, cnt;
|
||||
bfd_byte temp[NLM_TARGET_LONG_SIZE];
|
||||
|
||||
++c;
|
||||
|
||||
rel = external_relocs[i].rel;
|
||||
sym = *rel->sym_ptr_ptr;
|
||||
|
||||
len = strlen (sym->name);
|
||||
if ((bfd_write (&len, sizeof (bfd_byte), 1, abfd)
|
||||
!= sizeof (bfd_byte))
|
||||
|| bfd_write (sym->name, len, 1, abfd) != len)
|
||||
{
|
||||
bfd_error = system_call_error;
|
||||
return false;
|
||||
}
|
||||
|
||||
cnt = 0;
|
||||
for (j = i;
|
||||
(j < external_reloc_count
|
||||
|
@ -1868,30 +1730,25 @@ nlm_write_object_contents (abfd)
|
|||
j++)
|
||||
++cnt;
|
||||
|
||||
put_word (abfd, (bfd_vma) cnt, temp);
|
||||
if (bfd_write (temp, sizeof (temp), 1, abfd) != sizeof (temp))
|
||||
{
|
||||
bfd_error = system_call_error;
|
||||
return false;
|
||||
}
|
||||
if ((*nlm_write_external_func (abfd)) (abfd, cnt, sym,
|
||||
&external_relocs[i])
|
||||
== false)
|
||||
return false;
|
||||
|
||||
while (cnt-- != 0)
|
||||
{
|
||||
if ((*write_reloc_func) (abfd, external_relocs[i].sec,
|
||||
external_relocs[i].rel) == false)
|
||||
return false;
|
||||
++i;
|
||||
}
|
||||
i += cnt;
|
||||
}
|
||||
|
||||
nlm_fixed_header (abfd)->numberOfExternalReferences = c;
|
||||
|
||||
/* Write out the public symbols (exports). */
|
||||
sym_ptr_ptr = bfd_get_outsymbols (abfd);
|
||||
if (sym_ptr_ptr != (asymbol **) NULL)
|
||||
{
|
||||
bfd_vma (*get_public_offset_func) PARAMS ((bfd *, asymbol *));
|
||||
asymbol **sym_end;
|
||||
|
||||
nlm_fixed_header (abfd)->publicsOffset = bfd_tell (abfd);
|
||||
get_public_offset_func = nlm_get_public_offset_func (abfd);
|
||||
c = 0;
|
||||
sym_end = sym_ptr_ptr + bfd_get_symcount (abfd);
|
||||
for (; sym_ptr_ptr < sym_end; sym_ptr_ptr++)
|
||||
|
@ -1918,24 +1775,33 @@ nlm_write_object_contents (abfd)
|
|||
return false;
|
||||
}
|
||||
|
||||
offset = bfd_asymbol_value (sym);
|
||||
sec = sym->section;
|
||||
if (sec->flags & SEC_CODE)
|
||||
if (get_public_offset_func)
|
||||
{
|
||||
offset -= nlm_get_text_low (abfd);
|
||||
offset |= NLM_HIBIT;
|
||||
}
|
||||
else if (sec->flags & (SEC_DATA | SEC_ALLOC))
|
||||
{
|
||||
/* SEC_ALLOC is for the .bss section. */
|
||||
offset -= nlm_get_data_low (abfd);
|
||||
/* Most backends can use the code below, but
|
||||
unfortunately some use a different scheme. */
|
||||
offset = (*get_public_offset_func) (abfd, sym);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* We can't handle an exported symbol that is not in the
|
||||
code or data segment. */
|
||||
bfd_error = invalid_operation;
|
||||
return false;
|
||||
offset = bfd_asymbol_value (sym);
|
||||
sec = sym->section;
|
||||
if (sec->flags & SEC_CODE)
|
||||
{
|
||||
offset -= nlm_get_text_low (abfd);
|
||||
offset |= NLM_HIBIT;
|
||||
}
|
||||
else if (sec->flags & (SEC_DATA | SEC_ALLOC))
|
||||
{
|
||||
/* SEC_ALLOC is for the .bss section. */
|
||||
offset -= nlm_get_data_low (abfd);
|
||||
}
|
||||
else
|
||||
{
|
||||
/* We can't handle an exported symbol that is not in
|
||||
the code or data segment. */
|
||||
bfd_error = invalid_operation;
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
put_word (abfd, offset, temp);
|
||||
|
@ -1983,17 +1849,16 @@ nlm_write_object_contents (abfd)
|
|||
|
||||
++c;
|
||||
|
||||
offset = bfd_asymbol_value (sym);
|
||||
offset = sym->value;
|
||||
sec = sym->section;
|
||||
if (sec->flags & SEC_CODE)
|
||||
type = 1;
|
||||
else if (sec->flags & SEC_DATA)
|
||||
type = 0;
|
||||
else if (sec->flags & SEC_ALLOC)
|
||||
{
|
||||
offset -= nlm_get_text_low (abfd);
|
||||
type = 1;
|
||||
}
|
||||
else if (sec->flags & (SEC_DATA | SEC_ALLOC))
|
||||
{
|
||||
offset -= nlm_get_data_low (abfd);
|
||||
type = 0;
|
||||
offset += nlm_fixed_header (abfd)->dataImageSize;
|
||||
}
|
||||
else
|
||||
type = 2;
|
||||
|
@ -2048,7 +1913,7 @@ nlm_write_object_contents (abfd)
|
|||
|
||||
/* At this point everything has been written out except the fixed
|
||||
header. */
|
||||
memcpy (nlm_fixed_header (abfd)->signature, NLM_SIGNATURE,
|
||||
memcpy (nlm_fixed_header (abfd)->signature, nlm_signature (abfd),
|
||||
NLM_SIGNATURE_SIZE);
|
||||
nlm_fixed_header (abfd)->version = NLM_HEADER_VERSION;
|
||||
nlm_fixed_header (abfd)->codeStartOffset =
|
||||
|
@ -2063,10 +1928,21 @@ nlm_write_object_contents (abfd)
|
|||
nlm_fixed_header (abfd)->checkUnloadProcedureOffset -=
|
||||
nlm_get_text_low (abfd);
|
||||
|
||||
nlm_swap_fixed_header_out (abfd, nlm_fixed_header (abfd), &fixed_header);
|
||||
if (bfd_seek (abfd, 0, SEEK_SET) != 0
|
||||
|| (bfd_write (&fixed_header, sizeof fixed_header, 1, abfd)
|
||||
!= sizeof fixed_header))
|
||||
if (bfd_seek (abfd, 0, SEEK_SET) != 0)
|
||||
return false;
|
||||
|
||||
write_prefix_func = nlm_write_prefix_func (abfd);
|
||||
if (write_prefix_func)
|
||||
{
|
||||
if ((*write_prefix_func) (abfd) == false)
|
||||
return false;
|
||||
}
|
||||
|
||||
BFD_ASSERT (bfd_tell (abfd) == nlm_optional_prefix_size (abfd));
|
||||
|
||||
nlm_swap_fixed_header_out (abfd, nlm_fixed_header (abfd), fixed_header);
|
||||
if (bfd_write (fixed_header, nlm_fixed_header_size (abfd), 1, abfd)
|
||||
!= nlm_fixed_header_size (abfd))
|
||||
{
|
||||
bfd_error = system_call_error;
|
||||
return false;
|
||||
|
|
Loading…
Reference in New Issue