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author | David Henkel-Wallace <gumby@cygnus> | 1991-04-04 02:12:28 +0000 |
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committer | David Henkel-Wallace <gumby@cygnus> | 1991-04-04 02:12:28 +0000 |
commit | 87f86b4ec66450e49987cc9cbc1b21e5fde8070c (patch) | |
tree | 661fb9ede4de8d1053a6c6b47d255f60cd8e5c04 /bfd/ieee.c | |
parent | 8922ff76e39b06f63229f60db8c790d57f249b80 (diff) | |
download | gdb-87f86b4ec66450e49987cc9cbc1b21e5fde8070c.zip gdb-87f86b4ec66450e49987cc9cbc1b21e5fde8070c.tar.gz gdb-87f86b4ec66450e49987cc9cbc1b21e5fde8070c.tar.bz2 |
Initial revision
Diffstat (limited to 'bfd/ieee.c')
-rw-r--r-- | bfd/ieee.c | 1919 |
1 files changed, 1919 insertions, 0 deletions
diff --git a/bfd/ieee.c b/bfd/ieee.c new file mode 100644 index 0000000..f69adbd --- /dev/null +++ b/bfd/ieee.c @@ -0,0 +1,1919 @@ +/* + + bfd backend for ieee objects. + + IEEE format is a stream of records, which we parse using a simple one + token (which is one byte in this lexicon) lookahead recursive decent + parser. + + On output, this module creates files with the parts in this order: + header + external_part, + data_part, + section_part, + + + + */ + + +#include "sysdep.h" +#include "bfd.h" +#include "libbfd.h" +#include "obstack.h" +#include "ieee.h" +#include "libieee.h" + + +#define obstack_chunk_alloc malloc +#define obstack_chunk_free free + +typedef void generic_symbol_type; +static bfd_byte current_c; + +/*************************************************************************** + Functions for writing to ieee files in the strange way that the + standard requires: +*/ + + +static void +ieee_write_byte(abfd, byte) +bfd *abfd; +bfd_byte byte; +{ + bfd_write(&byte, 1, 1, abfd); +} + + +static void +ieee_write_2bytes(abfd, bytes) +bfd *abfd; +int bytes; +{ + bfd_byte buffer[2]; + buffer[0] = bytes >> 8; + buffer[1] = bytes & 0xff; + + bfd_write(buffer, 1, 2, abfd); +} + +static void +ieee_write_int(abfd, value) +bfd *abfd; +bfd_vma value; +{ + if (value >= 0 && value <= 127) { + ieee_write_byte(abfd, value); + } + else { + unsigned int length; + /* How many significant bytes ? */ + /* FIXME FOR LONGER INTS */ + if (value & 0xff000000) { + length = 4; + } + else if (value & 0x00ff0000) { + length = 3; + } + else if (value & 0x0000ff00) { + length = 2; + } + else length = 1; + + ieee_write_byte(abfd, ieee_number_repeat_start_enum + length); + switch (length) { + case 4: + ieee_write_byte(abfd, value >> 24); + case 3: + ieee_write_byte(abfd, value >> 16); + case 2: + ieee_write_byte(abfd, value >> 8); + case 1: + ieee_write_byte(abfd, value); + } + } +} + +static void +ieee_write_id(abfd, id) +bfd *abfd; +char *id; +{ + size_t length = strlen(id); + if (length >= 0 && length <= 127) { + ieee_write_byte(abfd, length); + } + else if (length < 255) { + ieee_write_byte(abfd, ieee_extension_length_1_enum); + ieee_write_byte(abfd, length); + } + else if (length < 65535) { + ieee_write_byte(abfd, ieee_extension_length_2_enum); + ieee_write_byte(abfd, length >> 8); + ieee_write_byte(abfd, length & 0xff); + } + else { + BFD_FAIL(); + } + bfd_write((bfd_byte *)id, 1, length, abfd); +} +/*************************************************************************** +Functions for reading from ieee files in the strange way that the +standard requires: +*/ +static bfd_byte +this_byte(abfd) +bfd *abfd; +{ + return current_c; +} + +static void +next_byte(abfd) +bfd *abfd; +{ + if ( bfd_read(¤t_c, 1, 1, abfd) != 1) { + BFD_FAIL(); + } + +} + + +static bfd_byte this_byte_and_next(abfd) +bfd *abfd; +{ + bfd_byte r = this_byte(abfd); + next_byte(abfd); + return r; +} + + + +static unsigned short read_2bytes(abfd) +bfd *abfd; +{ + unsigned char c1 = this_byte_and_next(abfd); + unsigned char c2 = this_byte_and_next(abfd); + return (c1<<8 ) | c2; + +} + +static void +bfd_get_string(abfd, string, length) +bfd *abfd; +char *string; +size_t length; +{ + size_t i; + for (i= 0; i < length; i++) { + string[i] = this_byte_and_next(abfd); + } +} + +static char *read_id(abfd) +bfd *abfd; +{ + size_t length; + char *string; + length = this_byte_and_next(abfd); + if (length >= 0x00 && length <= 0x7f) { + /* Simple string of length 0 to 127 */ + } + else if (length == 0xde) { + /* Length is next byte, allowing 0..255 */ + length = this_byte_and_next(abfd); + } + else if (length == 0xdf) { + /* Length is next two bytes, allowing 0..65535 */ + length = this_byte_and_next(abfd) ; + length = (length * 256) + this_byte_and_next(abfd); + } + /* Buy memory and read string */ + string = malloc(length+1); + bfd_get_string(abfd, string, length); + string[length] = 0; + return string; +} + +static void +ieee_write_expression(abfd, value, section, symbol) +bfd*abfd; +bfd_vma value; +asection *section; +asymbol *symbol; +{ + unsigned int plus_count = 0; + ieee_write_int(abfd, value); + if (section != (asection *)NULL) { + plus_count++; + ieee_write_byte(abfd, ieee_variable_L_enum); + ieee_write_byte(abfd, section->index +IEEE_SECTION_NUMBER_BASE); + } + + if (symbol != (asymbol *)NULL) { + plus_count++; + if ((symbol->flags & BSF_UNDEFINED ) || + (symbol->flags & BSF_FORT_COMM)) { + ieee_write_byte(abfd, ieee_variable_X_enum); + ieee_write_int(abfd, symbol->value); + } + else if (symbol->flags & BSF_GLOBAL) { + ieee_write_byte(abfd, ieee_variable_I_enum); + ieee_write_int(abfd, symbol->value); + } + else { + BFD_FAIL(); + } + } + + while (plus_count != 0) { + ieee_write_byte(abfd, ieee_function_plus_enum); + plus_count--; + } + +} + + + + + + + + + +/*****************************************************************************/ + +/* +writes any integer into the buffer supplied and always takes 5 bytes +*/ +static void +ieee_write_int5(buffer, value) +bfd_byte*buffer; +bfd_vma value; +{ + buffer[0] = ieee_number_repeat_4_enum; + buffer[1] = (value >> 24 ) & 0xff; + buffer[2] = (value >> 16 ) & 0xff; + buffer[3] = (value >> 8 ) & 0xff; + buffer[4] = (value >> 4 ) & 0xff; +} + + + +static boolean +parse_int(abfd, value_ptr) +bfd *abfd; +bfd_vma *value_ptr; +{ + int value = this_byte(abfd); + int result; + if (value >= 0 && value <= 127) { + *value_ptr = value; + next_byte(abfd); + return true; + } + else if (value >= 0x80 && value <= 0x88) { + unsigned int count = value & 0xf; + result = 0; + next_byte(abfd); + while (count) { + result =(result << 8) | this_byte_and_next(abfd); + count--; + } + *value_ptr = result; + return true; + } + return false; +} +static int parse_i(abfd, ok) +bfd *abfd; +boolean *ok; +{ + bfd_vma x; + *ok = parse_int(abfd, &x); + return x; +} + +static bfd_vma must_parse_int(abfd) +bfd *abfd; +{ + bfd_vma result; + BFD_ASSERT(parse_int(abfd, &result) == true); + return result; +} + +typedef struct +{ + bfd_vma value; + asection *section; + ieee_symbol_index_type symbol; +} ieee_value_type; + + +static +reloc_howto_type abs32_howto + = {1,0,2,32,0,0,0,true,0,"abs32",false,0xffffffff}; +static +reloc_howto_type abs16_howto + = {1,0,1,16,0,0,0,true,0,"abs16",false,0x0000ffff}; + +static ieee_symbol_index_type NOSYMBOL = { 0, 0}; + + +void +frob(abfd, value, section, symbol, pcrel, extra) +bfd *abfd; +bfd_vma *value; +asection **section; +ieee_symbol_index_type *symbol; +boolean *pcrel; +unsigned int *extra; +{ +#define POS sp[1] +#define TOS sp[0] +#define NOS sp[-1] +#define INC sp++; +#define DEC sp--; + + boolean loop = true; + ieee_value_type stack[10]; + + /* The stack pointer always points to the next unused location */ +#define PUSH(x,y,z) TOS.symbol=x;TOS.section=y;TOS.value=z;INC; +#define POP(x,y,z) DEC;x=TOS.symbol;y=TOS.section;z=TOS.value; + ieee_value_type *sp = stack; + + while (loop) { + switch (this_byte(abfd)) + { + case ieee_variable_P_enum: + /* P variable, current program counter for section n */ + { + int section_n ; + next_byte(abfd); + section_n = must_parse_int(abfd); + PUSH(NOSYMBOL, 0, + TOS.value = ieee_data(abfd)->section_table[section_n]->vma + + ieee_per_section(ieee_data(abfd)->section_table[section_n])->pc); + break; + } + case ieee_variable_L_enum: + /* L variable address of section N */ + next_byte(abfd); + PUSH(NOSYMBOL,ieee_data(abfd)->section_table[must_parse_int(abfd)],0); + break; + case ieee_variable_R_enum: + /* R variable, logical address of section module */ + /* FIXME, this should be different to L */ + next_byte(abfd); + PUSH(NOSYMBOL,ieee_data(abfd)->section_table[must_parse_int(abfd)],0); + break; + case ieee_variable_S_enum: + /* S variable, size in MAUS of section module */ + next_byte(abfd); + PUSH(NOSYMBOL, + 0, + ieee_data(abfd)->section_table[must_parse_int(abfd)]->size); + break; + + case ieee_variable_X_enum: + /* Push the address of external variable n */ + { + ieee_symbol_index_type sy; + next_byte(abfd); + sy.index = (int)(must_parse_int(abfd)) ; + sy.letter = 'X'; + + PUSH(sy, 0, 0); + } + break; + case ieee_function_minus_enum: + { + bfd_vma value1, value2; + asection *section; + ieee_symbol_index_type sy; + next_byte(abfd); + + POP(sy, section, value1); + POP(sy, section, value2); + PUSH(NOSYMBOL, 0, value1-value2); + } + break; + case ieee_function_plus_enum: + { + bfd_vma value1, value2; + asection *section1; + asection *section2; + ieee_symbol_index_type sy; + next_byte(abfd); + + POP(sy, section1, value1); + POP(sy, section2, value2); + PUSH(NOSYMBOL, section1 ? section1: section2, value1+value2); + } + break; + default: + { + bfd_vma va; + BFD_ASSERT(this_byte(abfd) < ieee_variable_A_enum + || this_byte(abfd) > ieee_variable_Z_enum); + if (parse_int(abfd, &va)) + { + PUSH(NOSYMBOL,0, va); + } + else { + /* + Thats all that we can understand. As far as I can see + there is a bug in the Microtec IEEE output which I'm + using to scan, whereby the comma operator is ommited + sometimes in an expression, giving expressions with too + many terms. We can tell if that's the case by ensuring + that sp == stack here. If not, then we've pushed + something too far. - + */ + + POP(*symbol, *section, *value); + if (sp != stack) { + BFD_ASSERT(*section == 0); + *extra = *value; + /* Get what should be returned */ + POP(*symbol, *section, *value); + } + else { + *extra = 0; + } + loop = false; + } + } + + } + } +} + +static void +ieee_seek(abfd, offset, rel) +bfd *abfd; +file_ptr offset; +boolean rel; +{ + (void) bfd_seek(abfd, offset, rel); + /* Prime look ahead token */ + next_byte(abfd); +} + +static void +ieee_slurp_external_symbols(abfd) +bfd *abfd; +{ + ieee_data_type *ieee = ieee_data(abfd); + file_ptr offset = ieee->w.r.external_part; + + ieee_symbol_type **prev_symbols_ptr = &ieee->external_symbols; + ieee_symbol_type **prev_reference_ptr = &ieee->external_reference; + ieee_symbol_type *symbol; + unsigned int symbol_count = 0; + boolean loop = true; + + ieee->symbol_table_full = true; + + ieee_seek(abfd, offset ,false); + + while (loop) { + switch (this_byte(abfd)) { + case ieee_external_symbol_enum: + next_byte(abfd); + symbol = (ieee_symbol_type *)malloc(sizeof(ieee_symbol_type)); + + *prev_symbols_ptr = symbol; + prev_symbols_ptr= &symbol->next; + symbol->index = must_parse_int(abfd); + if (symbol->index > ieee->external_symbol_max_index) { + ieee->external_symbol_max_index = symbol->index; + } + BFD_ASSERT (symbol->index >= ieee->external_symbol_min_index); + symbol_count++; + symbol->symbol.the_bfd = abfd; + symbol->symbol.name = read_id(abfd); + symbol->symbol.udata = (void *)NULL; + symbol->symbol.flags = BSF_NO_FLAGS; + break; + case ieee_attribute_record_enum >> 8: + { + unsigned int symbol_name_index; + unsigned int symbol_type_index; + unsigned int symbol_attribute_def; + bfd_vma value; + next_byte(abfd); /* Skip prefix */ + next_byte(abfd); + symbol_name_index = must_parse_int(abfd); + symbol_type_index = must_parse_int(abfd); + symbol_attribute_def = must_parse_int(abfd); + + parse_int(abfd,&value); + + } + break; + case ieee_value_record_enum >> 8: + { + unsigned int symbol_name_index; + ieee_symbol_index_type symbol_ignore; + boolean *pcrel_ignore; + unsigned int extra_ignore; + next_byte(abfd); + next_byte(abfd); + + symbol_name_index = must_parse_int(abfd); + frob(abfd, + &symbol->symbol.value, + &symbol->symbol.section, + &symbol_ignore, + &pcrel_ignore, + &extra_ignore); + if (symbol->symbol.section != (asection *)NULL) { + symbol->symbol.flags = BSF_GLOBAL | BSF_EXPORT; + } + else { + symbol->symbol.flags = BSF_GLOBAL | BSF_EXPORT | BSF_ABSOLUTE; + } + } + break; + case ieee_weak_external_reference_enum: + { bfd_vma size; + bfd_vma value ; + next_byte(abfd); + /* Throw away the external reference index */ + (void)must_parse_int(abfd); + /* Fetch the default size if not resolved */ + size = must_parse_int(abfd); + /* Fetch the defautlt value if available */ + if ( parse_int(abfd, &value) == false) { + value = 0; + } + /* This turns into a common */ + symbol->symbol.flags = BSF_FORT_COMM; + symbol->symbol.value = size; + } + break; + + case ieee_external_reference_enum: + next_byte(abfd); + symbol = (ieee_symbol_type *)malloc(sizeof(ieee_symbol_type)); + symbol_count++; + *prev_reference_ptr = symbol; + prev_reference_ptr = &symbol->next; + symbol->index = must_parse_int(abfd); + symbol->symbol.the_bfd = abfd; + symbol->symbol.name = read_id(abfd); + symbol->symbol.udata = (void *)NULL; + symbol->symbol.section = (asection *)NULL; + symbol->symbol.value = (bfd_vma)0; + symbol->symbol.flags = BSF_UNDEFINED; + if (symbol->index > ieee->external_reference_max_index) { + ieee->external_reference_max_index = symbol->index; + } + BFD_ASSERT (symbol->index >= ieee->external_reference_min_index); + break; + + default: + loop = false; + } + } + + if (ieee->external_symbol_max_index != 0) { + ieee->external_symbol_count = + ieee->external_symbol_max_index - + ieee->external_symbol_min_index + 1 ; + } + else { + ieee->external_symbol_count = 0; + } + + + if(ieee->external_reference_max_index != 0) { + ieee->external_reference_count = + ieee->external_reference_max_index - + ieee->external_reference_min_index + 1; + } + else { + ieee->external_reference_count = 0; + } + + abfd->symcount = + ieee->external_reference_count + ieee->external_symbol_count; + + if (symbol_count != abfd->symcount) { + /* There are gaps in the table -- */ + ieee->symbol_table_full = false; + } + *prev_symbols_ptr = (ieee_symbol_type *)NULL; + *prev_reference_ptr = (ieee_symbol_type *)NULL; +} + +static void +ieee_slurp_symbol_table(abfd) +bfd *abfd; +{ + if (ieee_data(abfd)->read_symbols == false) { + ieee_slurp_external_symbols(abfd); + ieee_data(abfd)->read_symbols= true; + } +} + +size_t +ieee_get_symtab_upper_bound (abfd) +bfd *abfd; +{ + ieee_slurp_symbol_table (abfd); + + return (abfd->symcount != 0) ? + (abfd->symcount+1) * (sizeof (ieee_symbol_type *)) : 0; +} + +/* +Move from our internal lists to the canon table, and insert in +symbol index order +*/ + +extern bfd_target ieee_vec; +unsigned int +ieee_get_symtab (abfd, location) +bfd *abfd; +asymbol **location; +{ + ieee_symbol_type *symp; + static bfd dummy_bfd; + static asymbol empty_symbol = + { &dummy_bfd," ieee empty",(symvalue)0,BSF_DEBUGGING | BSF_FAKE}; + + ieee_data_type *ieee = ieee_data(abfd); + dummy_bfd.xvec= &ieee_vec; + ieee_slurp_symbol_table(abfd); + + if (ieee->symbol_table_full == false) { + /* Arrgh - there are gaps in the table, run through and fill them */ + /* up with pointers to a null place */ + unsigned int i; + for (i= 0; i < abfd->symcount; i++) { + location[i] = &empty_symbol; + } + } + + + ieee->external_symbol_base_offset= - ieee->external_symbol_min_index; + for (symp = ieee_data(abfd)->external_symbols; + symp != (ieee_symbol_type *)NULL; + symp = symp->next) { + /* Place into table at correct index locations */ + location[symp->index + ieee->external_symbol_base_offset] = &symp->symbol; + + } + + /* The external refs are indexed in a bit */ + ieee->external_reference_base_offset = + - ieee->external_reference_min_index +ieee->external_symbol_count ; + + for (symp = ieee_data(abfd)->external_reference; + symp != (ieee_symbol_type *)NULL; + symp = symp->next) { + location[symp->index + ieee->external_reference_base_offset] = + &symp->symbol; + + } + + + + location[abfd->symcount] = (asymbol *)NULL; + + return abfd->symcount; +} + + +static void +ieee_slurp_sections(abfd) +bfd *abfd; +{ + ieee_data_type *ieee = ieee_data(abfd); + file_ptr offset = ieee->w.r.section_part; + + asection *section = (asection *)NULL; + + if (offset != 0) { + bfd_byte section_type[3]; + ieee_seek(abfd, offset, false); + while (true) { + switch (this_byte(abfd)) { + case ieee_section_type_enum: + { + unsigned int section_index ; + next_byte(abfd); + section_index = must_parse_int(abfd); + /* Fixme to be nice about a silly number of sections */ + BFD_ASSERT(section_index < NSECTIONS); + + section = bfd_make_section(abfd, " tempname"); + ieee->section_table[section_index] = section; + section->flags = SEC_NO_FLAGS; + section->target_index = section_index; + section_type[0] = this_byte_and_next(abfd); + switch (section_type[0]) { + case 0xC3: + section_type[1] = this_byte(abfd); + section->flags = SEC_LOAD; + switch (section_type[1]) { + case 0xD0: + /* Normal code */ + next_byte(abfd); + section->flags |= SEC_LOAD | SEC_CODE; + break; + case 0xC4: + next_byte(abfd); + section->flags |= SEC_LOAD | SEC_DATA; + /* Normal data */ + break; + case 0xD2: + next_byte(abfd); + /* Normal rom data */ + section->flags |= SEC_LOAD | SEC_ROM | SEC_DATA; + break; + default: + break; + } + } + section->name = read_id(abfd); + { bfd_vma parent, brother, context; + parse_int(abfd, &parent); + parse_int(abfd, &brother); + parse_int(abfd, &context); + } + + + } + break; + case ieee_section_alignment_enum: + { + unsigned int section_index; + bfd_vma value; + next_byte(abfd); + section_index = must_parse_int(abfd); + if (section_index > ieee->section_count) { + ieee->section_count = section_index; + } + ieee->section_table[section_index]->alignment_power = + bfd_log2(must_parse_int(abfd)); + (void)parse_int(abfd, & value); + } + break; + case ieee_e2_first_byte_enum: + { + ieee_record_enum_type t = read_2bytes(abfd); + switch (t) { + case ieee_section_size_enum: + section = ieee->section_table[must_parse_int(abfd)]; + section->size = must_parse_int(abfd); + break; + case ieee_physical_region_size_enum: + section = ieee->section_table[must_parse_int(abfd)]; + section->size = must_parse_int(abfd); + break; + case ieee_region_base_address_enum: + section = ieee->section_table[must_parse_int(abfd)]; + section->vma = must_parse_int(abfd); + break; + case ieee_mau_size_enum: + must_parse_int(abfd); + must_parse_int(abfd); + break; + case ieee_m_value_enum: + must_parse_int(abfd); + must_parse_int(abfd); + break; + case ieee_section_base_address_enum: + section = ieee->section_table[must_parse_int(abfd)]; + section->vma = must_parse_int(abfd); + break; + case ieee_section_offset_enum: + (void) must_parse_int(abfd); + (void) must_parse_int(abfd); + break; + default: + return; + } + } + break; + default: + return; + } + } + } +} + +/*********************************************************************** +* archive stuff +*/ +bfd_target * +ieee_archive_p(abfd) +bfd *abfd; +{ + char *library; + boolean loop; + ieee_ar_data_type *ar; + unsigned int i; + ieee_seek(abfd, (file_ptr) 0, false); + if (this_byte(abfd) != Module_Beginning) return (bfd_target*)NULL; + next_byte(abfd); + library= read_id(abfd); + if (strcmp(library , "LIBRARY") != 0) { + free(library); + return (bfd_target *)NULL; + } + /* Throw away the filename */ + free( read_id(abfd)); + /* This must be an IEEE archive, so we'll buy some space to do + things */ + ar = (ieee_ar_data_type *) malloc(sizeof(ieee_ar_data_type)); + ieee_ar_data(abfd) = ar; + ar->element_count = 0; + ar->element_index = 0; + obstack_init(&ar->element_obstack); + + next_byte(abfd); /* Drop the ad part */ + must_parse_int(abfd); /* And the two dummy numbers */ + must_parse_int(abfd); + + loop = true; + /* Read the index of the BB table */ + while (loop) { + ieee_ar_obstack_type t; + int rec =read_2bytes(abfd); + if (rec ==ieee_assign_value_to_variable_enum) { + int record_number = must_parse_int(abfd); + t.file_offset = must_parse_int(abfd); + t.abfd = (bfd *)NULL; + ar->element_count++; + obstack_grow(&ar->element_obstack, &t, sizeof(t)); + } + else loop = false; + } + ar->elements = (ieee_ar_obstack_type *)obstack_base(&ar->element_obstack); + + /* Now scan the area again, and replace BB offsets with file */ + /* offsets */ + + + for (i = 2; i < ar->element_count; i++) { + ieee_seek(abfd, ar->elements[i].file_offset, false); + next_byte(abfd); /* Drop F8 */ + next_byte(abfd); /* Drop 14 */ + must_parse_int(abfd); /* Drop size of block */ + if (must_parse_int(abfd) != 0) { + /* This object has been deleted */ + ar->elements[i].file_offset = 0; + } + else { + ar->elements[i].file_offset = must_parse_int(abfd); + } + } + + obstack_finish(&ar->element_obstack); + return abfd->xvec; +} + +bfd_target * +ieee_object_p (abfd) +bfd *abfd; +{ + char *processor; + unsigned int part; + ieee_data_type ieee; + ieee_seek(abfd, (file_ptr)0, false); + + + if (this_byte(abfd) != Module_Beginning) return (bfd_target*)NULL; + + next_byte(abfd); + + ieee.read_symbols= false; + ieee.read_data= false; + ieee.section_count = 0; + ieee.external_symbol_max_index = 0; + ieee.external_symbol_min_index = IEEE_PUBLIC_BASE; + ieee.external_reference_min_index =IEEE_REFERENCE_BASE; + ieee.external_reference_max_index = 0; + memset((PTR)ieee.section_table, 0, sizeof(ieee.section_table)); + + processor = ieee.mb.processor = read_id(abfd); + if (strcmp(processor,"LIBRARY") == 0) return (bfd_target *)NULL; + ieee.mb.module_name = read_id(abfd); + if (abfd->filename == (char *)NULL) { + abfd->filename = ieee.mb.module_name; + } + /* Determine the architecture and machine type of the object file. */ + bfd_scan_arch_mach(processor, &abfd->obj_arch, &abfd->obj_machine); + + if (this_byte(abfd) != ieee_address_descriptor_enum) { + return (bfd_target *)NULL; + } + next_byte(abfd); + + if (parse_int(abfd, &ieee.ad.number_of_bits_mau) == false) { + return (bfd_target *)NULL; + } + if(parse_int(abfd, &ieee.ad.number_of_maus_in_address) == false) { + return (bfd_target *)NULL; + } + + /* If there is a byte order info, take it */ + if (this_byte(abfd) == ieee_variable_L_enum || + this_byte(abfd) == ieee_variable_M_enum) + next_byte(abfd); + + + for (part = 0; part < N_W_VARIABLES; part++) { + boolean ok; + if (read_2bytes(abfd) != ieee_assign_value_to_variable_enum) { + return (bfd_target *)NULL; + } + if (this_byte_and_next(abfd) != part) { + return (bfd_target *)NULL; + } + + + ieee.w.offset[part] = parse_i(abfd, &ok); + if (ok==false) { + return (bfd_target *)NULL; + } + + } + abfd->flags = HAS_SYMS; + + /* Read in the section info */ + ieee_data(abfd) = (ieee_data_type *)(malloc(sizeof(ieee_data_type))); + memcpy(ieee_data(abfd), &ieee, sizeof(ieee)); + ieee_slurp_sections(abfd); + return abfd->xvec; +} + + +void +ieee_print_symbol(ignore_abfd, file, symbol, how) +bfd *ignore_abfd; +FILE *file; +asymbol *symbol; +bfd_print_symbol_enum_type how; +{ + + switch (how) { + case bfd_print_symbol_name_enum: + fprintf(file,"%s", symbol->name); + break; + case bfd_print_symbol_type_enum: +#if 0 + fprintf(file,"%4x %2x",aout_symbol(symbol)->desc & 0xffff, + aout_symbol(symbol)->other & 0xff); +#endif + BFD_FAIL(); + break; + case bfd_print_symbol_all_enum: + { + char *section_name = symbol->section == (asection *)NULL ? + "*abs" : symbol->section->name; + + bfd_print_symbol_vandf((void *)file,symbol); + + fprintf(file," %-5s %04x %02x %s", + section_name, + (unsigned) ieee_symbol(symbol)->index, + (unsigned) 0, /* + aout_symbol(symbol)->desc & 0xffff, + aout_symbol(symbol)->other & 0xff,*/ + symbol->name); + } + break; + } +} + + + +/* Read in all the section data and relocation stuff too */ +static boolean ieee_slurp_section_data(abfd) +bfd *abfd; +{ + bfd_byte *location_ptr ; + ieee_data_type *ieee = ieee_data(abfd); + unsigned int section_number ; + + ieee_per_section_type *current_map; + asection *s; + /* Seek to the start of the data area */ + if (ieee->read_data== true) return true; + ieee->read_data = true; + ieee_seek(abfd, ieee->w.r.data_part, false); + + /* Allocate enough space for all the section contents */ + + + for (s = abfd->sections; s != (asection *)NULL; s = s->next) { + ieee_per_section_type *per = s->used_by_bfd; + per->data = (bfd_byte *) malloc(s->size); + /*SUPPRESS 68*/ + obstack_init( &per->reloc_obstack); + per->reloc_tail_ptr = + (ieee_reloc_type **)&(s->relocation); + } + + + + while (true) { + switch (this_byte(abfd)) + { + /* IF we see anything strange then quit */ + default: + return true; + + case ieee_set_current_section_enum: + next_byte(abfd); + section_number = must_parse_int(abfd); + s = ieee->section_table[section_number]; + current_map = s->used_by_bfd; + location_ptr = current_map->data - s->vma; + /* The document I have says that Microtec's compilers reset */ + /* this after a sec section, even though the standard says not */ + /* to. SO .. */ + current_map->pc =s->vma; + break; + + case ieee_load_constant_bytes_enum: + { + unsigned int number_of_maus; + unsigned int i; + next_byte(abfd); + number_of_maus = must_parse_int(abfd); + + for (i = 0; i < number_of_maus; i++) { + location_ptr[current_map->pc++]= this_byte(abfd); + next_byte(abfd); + } + } + break; + + case ieee_e2_first_byte_enum: + next_byte(abfd); + switch (this_byte(abfd)) + { + case ieee_set_current_pc_enum & 0xff: + { + bfd_vma value; + asection *dsection; + ieee_symbol_index_type symbol; + unsigned int extra; + boolean pcrel; + next_byte(abfd); + must_parse_int(abfd); /* Thow away section #*/ + frob(abfd, &value, &dsection, &symbol, &pcrel, &extra); + current_map->pc = value; + BFD_ASSERT((unsigned)(value - s->vma) < s->size); + } + break; + + case ieee_value_starting_address_enum & 0xff: + /* We've got to the end of the data now - */ + return true; + break; + default: + BFD_FAIL(); + return true; + } + break; + case ieee_load_with_relocation_enum: + { + boolean loop = true; + next_byte(abfd); + while (loop) + { + switch (this_byte(abfd)) + { + case ieee_variable_R_enum: + + case ieee_function_signed_open_b_enum: + case ieee_function_unsigned_open_b_enum: + case ieee_function_either_open_b_enum: + { + unsigned int extra; + boolean pcrel; + + ieee_reloc_type *r = + (ieee_reloc_type *) + obstack_alloc( ¤t_map->reloc_obstack, + sizeof(ieee_reloc_type)); + + *(current_map->reloc_tail_ptr) = r; + current_map->reloc_tail_ptr= &r->next; + r->next = (ieee_reloc_type *)NULL; + next_byte(abfd); + frob(abfd, + &r->relent.addend, + &r->relent.section, + &r->symbol, + &pcrel, + &extra); + r->relent.address = current_map->pc; + s->reloc_count++; + switch (this_byte(abfd)) { + case ieee_function_signed_close_b_enum: + next_byte(abfd); + break; + case ieee_function_unsigned_close_b_enum: + next_byte(abfd); + break; + case ieee_function_either_close_b_enum: + next_byte(abfd); + break; + default: + break; + } + /* Build a relocation entry for this type */ + if (this_byte(abfd) == ieee_comma) { + + next_byte(abfd); + /* Fetch number of bytes to pad */ + extra = must_parse_int(abfd); + BFD_FAIL(); + } + switch (extra) { + case 0: + case 4: + location_ptr[current_map->pc++] = 0; + location_ptr[current_map->pc++] = 0; + location_ptr[current_map->pc++] = 0; + location_ptr[current_map->pc++] = 0; + r->relent.howto = &abs32_howto; + break; + case 2: + location_ptr[current_map->pc++] = 0; + location_ptr[current_map->pc++] = 0; + r->relent.howto = &abs16_howto; + break; + + default: + BFD_FAIL(); + break; + } + } + break; + default: + { + bfd_vma this_size ; + if (parse_int(abfd, &this_size) == true) { + unsigned int i; + for (i = 0; i < this_size; i++) { + location_ptr[current_map->pc ++] = this_byte(abfd); + next_byte(abfd); + } + } + else { + loop = false; + } + } + } + } + } + } + } +} + + + +boolean +ieee_new_section_hook (abfd, newsect) +bfd *abfd; +asection *newsect; +{ + newsect->used_by_bfd = (ieee_per_section_type *) + malloc(sizeof(ieee_per_section_type)); + ieee_per_section( newsect)->data = (bfd_byte *)NULL; + ieee_per_section(newsect)->section = newsect; + return true; +} + + +unsigned int +ieee_get_reloc_upper_bound (abfd, asect) +bfd *abfd; +sec_ptr asect; +{ + ieee_slurp_section_data(abfd); + return (asect->reloc_count+1) * sizeof(arelent *); +} + +static boolean +ieee_get_section_contents (abfd, section, location, offset, count) +bfd *abfd; +sec_ptr section; +void *location; +file_ptr offset; +unsigned int count; +{ + ieee_per_section_type *p = section->used_by_bfd; + ieee_slurp_section_data(abfd); + (void) memcpy(location, p->data + offset, count); + return true; +} + + +unsigned int +ieee_canonicalize_reloc (abfd, section, relptr, symbols) +bfd *abfd; +sec_ptr section; +arelent **relptr; +asymbol **symbols; +{ + ieee_per_section_type *p = section->used_by_bfd; + ieee_reloc_type *src = (ieee_reloc_type *)(section->relocation); + ieee_data_type *ieee = ieee_data(abfd); + + while (src != (ieee_reloc_type *)NULL) { + /* Work out which symbol to attatch it this reloc to */ + switch (src->symbol.letter) { + case 'X': + src->relent.sym_ptr_ptr = + symbols + src->symbol.index + ieee->external_reference_base_offset; + break; + case 0: + src->relent.sym_ptr_ptr = (asymbol **)NULL; + break; + default: + + BFD_FAIL(); + } + *relptr++ = &src->relent; + src = src->next; + } + *relptr = (arelent *)NULL; + return section->reloc_count; +} + +boolean +ieee_set_arch_mach (abfd, arch, machine) +bfd *abfd; +enum bfd_architecture arch; +unsigned long machine; +{ + abfd->obj_arch = arch; + abfd->obj_machine = machine; + return true; +} + +boolean +ieee_mkobject(abfd) +bfd *abfd; +{ + ieee_data_type *ieee = (ieee_data_type *) malloc(sizeof(ieee_data_type)); + ieee_data(abfd) = ieee; + if (ieee == (ieee_data_type *)NULL) { + bfd_error = no_memory; + return false; + } + + return true; +} + + +static int comp(ap, bp) +arelent **ap; +arelent **bp; +{ + arelent *a = *ap; + arelent *b = *bp; + return a->address - b->address; +} +/* +Write the section headers +*/ + +static void +ieee_write_section_part(abfd) +bfd *abfd; +{ + ieee_data_type *ieee = ieee_data(abfd); + asection *s; + ieee->w.r.section_part = bfd_tell(abfd); + for (s = abfd->sections; s != (asection *)NULL; s=s->next) { + ieee_write_byte(abfd, ieee_section_type_enum); + ieee_write_byte(abfd, s->index + IEEE_SECTION_NUMBER_BASE); + + switch (s->flags & (SEC_LOAD | SEC_CODE | SEC_DATA | SEC_ROM)) { + case SEC_LOAD | SEC_CODE: + /* Normal named section, code */ + ieee_write_byte(abfd, ieee_variable_C_enum); + ieee_write_byte(abfd, ieee_variable_P_enum); + break; + case SEC_LOAD | SEC_DATA: + /* Normal named section, data */ + ieee_write_byte(abfd, ieee_variable_C_enum); + ieee_write_byte(abfd, ieee_variable_D_enum); + break; + case SEC_LOAD | SEC_DATA | SEC_ROM: + /* Normal named section, data rom */ + ieee_write_byte(abfd, ieee_variable_C_enum); + ieee_write_byte(abfd, ieee_variable_R_enum); + break; + default: + ieee_write_byte(abfd, ieee_variable_C_enum); + break; + } + + ieee_write_id(abfd, s->name); + ieee_write_int(abfd, 0); /* Parent */ + ieee_write_int(abfd, 0); /* Brother */ + ieee_write_int(abfd, 0); /* Context */ + + /* Alignment */ + ieee_write_byte(abfd, ieee_section_alignment_enum); + ieee_write_byte(abfd, s->index + IEEE_SECTION_NUMBER_BASE); + ieee_write_int(abfd, 1 << s->alignment_power); + + /* Size */ + ieee_write_2bytes(abfd, ieee_section_size_enum); + ieee_write_byte(abfd, s->index + IEEE_SECTION_NUMBER_BASE); + ieee_write_int(abfd, s->size); + + /* Vma */ + ieee_write_2bytes(abfd, ieee_region_base_address_enum); + ieee_write_byte(abfd, s->index + IEEE_SECTION_NUMBER_BASE); + ieee_write_int(abfd, s->vma); + + } +} + + + +/* write the data in an ieee way */ +static void +ieee_write_data_part(abfd) +bfd *abfd; +{ + asection *s; + ieee_data_type *ieee = ieee_data(abfd); + ieee->w.r.data_part = bfd_tell(abfd); + for (s = abfd->sections; s != (asection *)NULL; s = s->next) + { + bfd_byte header[11]; + bfd_byte *stream = ieee_per_section(s)->data; + arelent **p = s->orelocation; + size_t current_byte_index = 0; + /* Sort the reloc records so we can insert them in the correct places */ + if (s->reloc_count != 0) { + qsort(s->orelocation, + s->reloc_count, + sizeof(arelent **), + comp); + } + + + /* Output the section preheader */ + header[0] =ieee_set_current_section_enum; + header[1] = s->index + IEEE_SECTION_NUMBER_BASE; + + header[2] = ieee_set_current_pc_enum >> 8; + header[3]= ieee_set_current_pc_enum & 0xff; + header[4] = s->index + IEEE_SECTION_NUMBER_BASE; + ieee_write_int5(header+5, s->vma ); + header[10] = ieee_load_with_relocation_enum; + bfd_write(header, 1, sizeof(header), abfd); + + /* Output the data stream as the longest sequence of bytes possible, */ + /* allowing for the a reasonable packet size and relocation stuffs */ + if (stream == (void *)NULL) { + stream = (bfd_byte *)"UNINITIALIZED AREA! "; + s->size = strlen(stream); + } + while (current_byte_index < s->size) { + size_t run; + unsigned int MAXRUN = 32; + if (p && *p) { + run = (*p)->address - current_byte_index; + } + else { + run = MAXRUN; + } + if (run > s->size - current_byte_index) { + run = s->size - current_byte_index; + } + + if (run != 0) { + /* Output a stream of bytes */ + bfd_byte header[1] ; + header[0]= run; + bfd_write(header, 1, sizeof(header), abfd); + bfd_write(stream + current_byte_index, + 1, + run, + abfd); + current_byte_index += run; + } + /* Output any relocations here */ + if (p && (*p) && (*p)->address == current_byte_index) { + while ((*p) && (*p)->address == current_byte_index) { + + arelent *r = *p; + ieee_write_byte(abfd, ieee_function_either_open_b_enum); + if (r->sym_ptr_ptr != (asymbol **)NULL) { + ieee_write_expression(abfd, r->addend, + r->section, + *(r->sym_ptr_ptr)); + } + else { + ieee_write_expression(abfd, r->addend, + r->section, + (asymbol *)NULL); + } + ieee_write_byte(abfd, ieee_function_either_close_b_enum); + p++; + } + /* FIXME !! Are all relocations 4 bytes ? */ + current_byte_index += 4; + } + } + } +} + + + + + + +static void +init_for_output(abfd) +bfd *abfd; +{ + asection *s; + for (s = abfd->sections; s != (asection *)NULL; s = s->next) { + if (s->size != 0) { + ieee_per_section(s)->data = (bfd_byte *)(malloc(s->size)); + } + } +} + +/** exec and core file sections */ + +/* set section contents is complicated with IEEE since the format is +* not a byte image, but a record stream. +*/ +boolean +ieee_set_section_contents (abfd, section, location, offset, count) +bfd *abfd; +sec_ptr section; +unsigned char *location; +file_ptr offset; +int count; +{ + if (ieee_per_section(section)->data == (bfd_byte *)NULL) { + init_for_output(abfd); + } + (void) memcpy(ieee_per_section(section)->data + offset, location, count); + return true; +} + +/* +write the external symbols of a file, IEEE considers two sorts of +external symbols, public, and referenced. It uses to internal forms +to index them as well. When we write them out we turn their symbol +values into indexes from the right base. +*/ +static void +ieee_write_external_part(abfd) +bfd *abfd; +{ + asymbol **q; + ieee_data_type *ieee = ieee_data(abfd); + + unsigned int reference_index = IEEE_REFERENCE_BASE; + unsigned int public_index = IEEE_PUBLIC_BASE; + ieee->w.r.external_part = bfd_tell(abfd); + if (abfd->outsymbols != (asymbol **)NULL) { + for (q = abfd->outsymbols; *q != (asymbol *)NULL; q++) { + asymbol *p = *q; + if (p->flags & BSF_UNDEFINED) { + /* This must be a symbol reference .. */ + ieee_write_byte(abfd, ieee_external_reference_enum); + ieee_write_int(abfd, reference_index); + ieee_write_id(abfd, p->name); + p->value = reference_index; + reference_index++; + } + else if(p->flags & BSF_FORT_COMM) { + /* This is a weak reference */ + ieee_write_byte(abfd, ieee_external_reference_enum); + ieee_write_int(abfd, reference_index); + ieee_write_id(abfd, p->name); + ieee_write_byte(abfd, ieee_weak_external_reference_enum); + ieee_write_int(abfd, reference_index); + ieee_write_int(abfd, p->value); + ieee_write_int(abfd, BFD_FORT_COMM_DEFAULT_VALUE); + p->value = reference_index; + reference_index++; + } + else if(p->flags & BSF_GLOBAL) { + /* This must be a symbol definition */ + + ieee_write_byte(abfd, ieee_external_symbol_enum); + ieee_write_int(abfd, public_index ); + ieee_write_id(abfd, p->name); + + /* Write out the value */ + ieee_write_2bytes(abfd, ieee_value_record_enum); + ieee_write_int(abfd, public_index); + if (p->section != (asection *)NULL) + { + ieee_write_expression(abfd, + p->value + p->section->output_offset, + p->section->output_section, + (asymbol *)NULL); + } + else + { + ieee_write_expression(abfd, + p->value, + (asection *)NULL, + (asymbol *)NULL); + } + p->value = public_index; + public_index++; + } + else { + /* This can happen - when there are gaps in the symbols read */ + /* from an input ieee file */ + } + } + } + +} + +static +void ieee_write_me_part(abfd) +bfd *abfd; +{ + ieee_data_type *ieee= ieee_data(abfd); + ieee->w.r.me_record = bfd_tell(abfd); + + ieee_write_2bytes(abfd, ieee_value_starting_address_enum); + ieee_write_int(abfd, abfd->start_address); + ieee_write_byte(abfd, ieee_module_end_enum); + +} +boolean +ieee_write_object_contents (abfd) +bfd *abfd; +{ + ieee_data_type *ieee = ieee_data(abfd); + unsigned int i; + + /* Make a guess about the size of the header */ + bfd_seek(abfd, 100, false); + /* + First write the symbols, this changes their values into table + indeces so we cant use it after this point + */ + ieee_write_external_part(abfd); + ieee_write_byte(abfd, ieee_record_seperator_enum); + + ieee_write_section_part(abfd); + ieee_write_byte(abfd, ieee_record_seperator_enum); + /* + Can only write the data once the symbols have been written since + the data contains relocation information which points to the + symbols + */ + ieee_write_data_part(abfd); + ieee_write_byte(abfd, ieee_record_seperator_enum); + + /* + At the end we put the end ! + */ + ieee_write_me_part(abfd); + /* Now write the header */ + /* Generate the header */ + bfd_seek(abfd, (file_ptr)0, false); + + + ieee_write_byte(abfd, ieee_module_beginning_enum); + + ieee_write_id(abfd, bfd_printable_arch_mach(abfd->obj_arch, + abfd->obj_machine)); + ieee_write_id(abfd, abfd->filename); + ieee_write_byte(abfd, ieee_address_descriptor_enum); + ieee_write_byte(abfd, 8); /* Bits per MAU */ + ieee_write_byte(abfd, 4); /* MAU's per address */ + + + for (i= 0; i < N_W_VARIABLES; i++) { + ieee_write_2bytes(abfd,ieee_assign_value_to_variable_enum); + ieee_write_byte(abfd, i); + ieee_write_int(abfd, ieee->w.offset[i]); + } + return true; +} + + + + +/* Native-level interface to symbols. */ + +/* We read the symbols into a buffer, which is discarded when this +function exits. We read the strings into a buffer large enough to +hold them all plus all the cached symbol entries. */ + +asymbol * +ieee_make_empty_symbol (abfd) +bfd *abfd; +{ + + ieee_symbol_type *new = + (ieee_symbol_type *)zalloc (sizeof (ieee_symbol_type)); + new->symbol.the_bfd = abfd; + return &new->symbol; + +} + +void +ieee_reclaim_symbol_table (abfd) +bfd *abfd; +{ +#if 0 + asection *section; + + if (!bfd_get_symcount (abfd)) return; + + for (section = abfd->sections; section != NULL; section = section->next) + if (section->relocation) { + free ((void *)section->relocation); + section->relocation = NULL; + section->reloc_count = 0; + } + + bfd_get_symcount (abfd) = 0; + free ((void *)obj_aout_symbols (abfd)); + obj_aout_symbols (abfd) = (aout_symbol_type *)NULL; +#endif +} + + + + +/* Obsolete procedural interface; better to look at the cache directly */ + +/* User should have checked the file flags; perhaps we should return +BFD_NO_MORE_SYMBOLS if there are none? */ + +int +ieee_get_symcount_upper_bound (abfd) +bfd *abfd; +{ +#if 0 + /* In case we're doing an output file or something...? */ + if (bfd_get_symcount (abfd)) return bfd_get_symcount (abfd); + + return (exec_hdr (abfd)->a_syms) / (sizeof (struct nlist)); +#endif +return 0; +} + +symindex +ieee_get_first_symbol (ignore_abfd) +bfd * ignore_abfd; +{ + return 0; +} + +symindex +ieee_get_next_symbol (abfd, oidx) +bfd *abfd; +symindex oidx; +{ +#if 0 + if (oidx == BFD_NO_MORE_SYMBOLS) return BFD_NO_MORE_SYMBOLS; + return ++oidx >= bfd_get_symcount (abfd) ? BFD_NO_MORE_SYMBOLS : + oidx; +#endif +return 0; +} + +char * +ieee_symbol_name (abfd, idx) +bfd *abfd; +symindex idx; +{ +#if 0 + return (obj_aout_symbols (abfd) + idx)->symbol.name; +#endif +return 0; +} + +long +ieee_symbol_value (abfd, idx) +bfd *abfd; +symindex idx; +{ +#if 0 + return (obj_aout_symbols (abfd) + idx)->symbol.value; +#endif +return 0; +} + +symclass +ieee_classify_symbol (abfd, idx) +bfd *abfd; +symindex idx; +{ +#if 0 + aout_symbol_type *sym = obj_aout_symbols (abfd) + idx; + + if ((sym->symbol.flags & BSF_FORT_COMM) != 0) return bfd_symclass_fcommon; + if ((sym->symbol.flags & BSF_GLOBAL) != 0) return bfd_symclass_global; + if ((sym->symbol.flags & BSF_DEBUGGING) != 0) return bfd_symclass_debugger; + if ((sym->symbol.flags & BSF_UNDEFINED) != 0) return bfd_symclass_undefined; +#endif + return bfd_symclass_unknown; +} + +boolean +ieee_symbol_hasclass (abfd, idx, class) +bfd *abfd; +symindex idx; +symclass class; +{ +#if 0 + aout_symbol_type *sym = obj_aout_symbols (abfd) + idx; + switch (class) { + case bfd_symclass_fcommon: + return (sym->symbol.flags & BSF_FORT_COMM) ? true :false; + case bfd_symclass_global: + return (sym->symbol.flags & BSF_GLOBAL) ? true:false; + case bfd_symclass_debugger: + return (sym->symbol.flags & BSF_DEBUGGING) ? true:false;; + case bfd_symclass_undefined: + return (sym->symbol.flags & BSF_UNDEFINED) ? true:false;; + default: return false; + } +#endif +return 0; +} + + +void +ieee_reclaim_reloc (ignore_abfd, section) +bfd *ignore_abfd; +sec_ptr section; +{ +#if 0 + if (section->relocation) { + free (section->relocation); + section->relocation = NULL; + section->reloc_count = 0; + } +#endif +} + +boolean +ieee_close_and_cleanup (abfd) +bfd *abfd; +{ + if (bfd_read_p (abfd) == false) + switch (abfd->format) { + case bfd_archive: + if (!_bfd_write_archive_contents (abfd)) { + return false; + } + break; + case bfd_object: + if (!ieee_write_object_contents (abfd)) { + return false; + } + break; + default: + bfd_error = invalid_operation; + return false; + } + + + if (ieee_data(abfd) != (ieee_data_type *)NULL) { + /* FIXME MORE LEAKS */ + + } + + return true; +} + +static bfd * +ieee_openr_next_archived_file(arch, prev) +bfd *arch; +bfd *prev; +{ + ieee_ar_data_type *ar = ieee_ar_data(arch); + /* take the next one from the arch state, or reset */ + if (prev == (bfd *)NULL) { + /* Reset the index - the first two entries are bogus*/ + ar->element_index = 2; + } + while (true) { + ieee_ar_obstack_type *p = ar->elements + ar->element_index; + ar->element_index++; + if (ar->element_index <= ar->element_count) { + if (p->file_offset != (file_ptr)0) { + if (p->abfd == (bfd *)NULL) { + p->abfd = _bfd_create_empty_archive_element_shell(arch); + p->abfd->origin = p->file_offset; + } + return p->abfd; + } + } + else { + return (bfd *)NULL; + } + + } +} + +static boolean +ieee_find_nearest_line(abfd, + section, + symbols, + offset, + filename_ptr, + functionname_ptr, + line_ptr) +bfd *abfd; +asection *section; +asymbol **symbols; +bfd_vma offset; +char **filename_ptr; +char **functionname_ptr; +unsigned int *line_ptr; +{ + return false; + +} +/*SUPPRESS 460 */ +bfd_target ieee_vec = +{ + "ieee", /* name */ + bfd_target_ieee_flavour_enum, + true, /* target byte order */ + true, /* target headers byte order */ + (HAS_RELOC | EXEC_P | /* object flags */ + HAS_LINENO | HAS_DEBUG | + HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED), + (SEC_CODE|SEC_DATA|SEC_ROM + |SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ + 0, /* valid reloc types */ + ' ', /* ar_pad_char */ + 16, /* ar_max_namelen */ + ieee_close_and_cleanup, /* _close_and_cleanup */ + ieee_set_section_contents, /* bfd_set_section_contents */ + ieee_get_section_contents, + ieee_new_section_hook, /* new_section_hook */ + 0, /* _core_file_failing_command */ + 0, /* _core_file_failing_signal */ + 0, /* _core_file_matches_ex...p */ + + 0, /* bfd_slurp_bsd_armap, bfd_slurp_armap */ + bfd_true, /* bfd_slurp_extended_name_table */ + bfd_bsd_truncate_arname, /* bfd_truncate_arname */ + + ieee_get_symtab_upper_bound, /* get_symtab_upper_bound */ + ieee_get_symtab, /* canonicalize_symtab */ + 0, /* ieee_reclaim_symbol_table, bfd_reclaim_symbol_table */ + ieee_get_reloc_upper_bound, /* get_reloc_upper_bound */ + ieee_canonicalize_reloc, /* bfd_canonicalize_reloc */ + 0, /* ieee_reclaim_reloc, bfd_reclaim_reloc */ + 0, /* ieee_get_symcount_upper_bound, bfd_get_symcount_upper_bound */ + 0, /* ieee_get_first_symbol, bfd_get_first_symbol */ + 0, /* ieee_get_next_symbol, bfd_get_next_symbol */ + 0, /* ieee_classify_symbol, bfd_classify_symbol */ + 0, /* ieee_symbol_hasclass, bfd_symbol_hasclass */ + 0, /* ieee_symbol_name, bfd_symbol_name */ + 0, /* ieee_symbol_value, bfd_symbol_value */ + + _do_getblong, _do_putblong, _do_getbshort, _do_putbshort, /* data */ + _do_getblong, _do_putblong, _do_getbshort, _do_putbshort, /* hdrs */ + + {_bfd_dummy_target, + ieee_object_p, /* bfd_check_format */ + ieee_archive_p, + bfd_false + }, + { + bfd_false, + ieee_mkobject, + _bfd_generic_mkarchive, + bfd_false + }, + ieee_make_empty_symbol, + ieee_print_symbol, + bfd_false, /* ieee_get_lineno,*/ + ieee_set_arch_mach, /* bfd_set_arch_mach,*/ + bfd_false, + ieee_openr_next_archived_file, + ieee_find_nearest_line, /* bfd_find_nearest_line */ +}; |