diff options
Diffstat (limited to 'bfd/coffcode.h')
| -rw-r--r-- | bfd/coffcode.h | 30 |
1 files changed, 23 insertions, 7 deletions
diff --git a/bfd/coffcode.h b/bfd/coffcode.h index 1f39394..b87e814 100644 --- a/bfd/coffcode.h +++ b/bfd/coffcode.h @@ -131,7 +131,7 @@ SUBSUBSECTION moment. To port BFD, that person will have to add more @code{#defines}. Three of the bit twiddling routines are exported to @code{gdb}; @code{coff_swap_aux_in}, @code{coff_swap_sym_in} - and @code{coff_swap_linno_in}. @code{GDB} reads the symbol + and @code{coff_swap_lineno_in}. @code{GDB} reads the symbol table on its own, but uses BFD to fix things up. More of the bit twiddlers are exported for @code{gas}; @code{coff_swap_aux_out}, @code{coff_swap_sym_out}, @@ -2749,7 +2749,7 @@ coff_write_object_contents (abfd) #ifdef COFF_LONG_SECTION_NAMES /* Handle long section names as in PE. This must be compatible - with the code in coff_write_symbols. */ + with the code in coff_write_symbols and _bfd_coff_final_link. */ { size_t len; @@ -2844,10 +2844,11 @@ coff_write_object_contents (abfd) #endif #ifdef COFF_IMAGE_WITH_PE - /* suppress output of the sections if they are null. ld includes - the bss and data sections even if there is no size assigned - to them. NT loader doesn't like it if these section headers are - included if the sections themselves are not needed */ + /* Suppress output of the sections if they are null. ld + includes the bss and data sections even if there is no size + assigned to them. NT loader doesn't like it if these section + headers are included if the sections themselves are not + needed. See also coff_compute_section_file_positions. */ if (section.s_size == 0) internal_f.f_nscns--; else @@ -3472,6 +3473,9 @@ SUBSUBSECTION base of the line number information for the table is stored in the symbol associated with the function. + Note: The PE format uses line number 0 for a flag indicating a + new source file. + The information is copied from the external to the internal table, and each symbol which marks a function is marked by pointing its... @@ -3561,6 +3565,10 @@ coff_slurp_line_table (abfd, asect) return true; } +/* Slurp in the symbol table, converting it to generic form. Note + that if coff_relocate_section is defined, the linker will read + symbols via coff_link_add_symbols, rather than via this routine. */ + static boolean coff_slurp_symbol_table (abfd) bfd * abfd; @@ -3726,7 +3734,7 @@ coff_slurp_symbol_table (abfd) case C_THUMBSTATFUNC:/* Thumb static function */ #endif case C_LABEL: /* label */ - if (src->u.syment.n_scnum == -2) + if (src->u.syment.n_scnum == N_DEBUG) dst->symbol.flags = BSF_DEBUGGING; else dst->symbol.flags = BSF_LOCAL; @@ -3854,6 +3862,13 @@ coff_slurp_symbol_table (abfd) break; case C_NULL: + /* PE DLLs sometimes have zeroed out symbols for some + reason. Just ignore them without a warning. */ + if (src->u.syment.n_type == 0 + && src->u.syment.n_value == 0 + && src->u.syment.n_scnum == 0) + break; + /* Fall through. */ case C_EXTDEF: /* external definition */ case C_ULABEL: /* undefined label */ case C_USTATIC: /* undefined static */ @@ -4269,6 +4284,7 @@ dummy_reloc16_estimate (abfd, input_section, reloc, shrink, link_info) struct bfd_link_info *link_info ATTRIBUTE_UNUSED; { abort (); + return 0; } #endif |