From d3e667e88dca634700d8f2185a492dd06965dd5b Mon Sep 17 00:00:00 2001 From: John Gilmore Date: Thu, 17 Dec 1992 08:42:31 +0000 Subject: [PATCH] * bfd.c: Use right name for tekhex tdata struct. * tekhex.c: Insert leading_char (0) into bfd_target struct. Style. * libcoff.h: Updated to get spacing change from coffcode.h. * trad-core.c: leading_char is 0 (no symbols!), not '_'. --- bfd/ChangeLog | 7 + bfd/bfd.c | 72 ++--- bfd/tekhex.c | 990 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 3 files changed, 1020 insertions(+), 49 deletions(-) create mode 100644 bfd/tekhex.c diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 183c968..c2cd8f6 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,10 @@ +Thu Dec 17 00:36:24 1992 John Gilmore (gnu@cygnus.com) + + * bfd.c: Use right name for tekhex tdata struct. + * tekhex.c: Insert leading_char (0) into bfd_target struct. Style. + * libcoff.h: Updated to get spacing change from coffcode.h. + * trad-core.c: leading_char is 0 (no symbols!), not '_'. + Tue Dec 15 15:40:30 1992 Per Bothner (bothner@cygnus.com) * archive.c (do_slurp_bsd_armap, do_slurp_coff_armap): New diff --git a/bfd/bfd.c b/bfd/bfd.c index 1b880e5..8dbf96e 100644 --- a/bfd/bfd.c +++ b/bfd/bfd.c @@ -18,8 +18,6 @@ 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. */ -/* $Id$ */ - /* SECTION <> @@ -30,7 +28,7 @@ SECTION functionality. Here is the struct used to define the type <>. This - contains he major data about the file, and contains pointers + contains the major data about the file, and contains pointers to the rest of the data. CODE_FRAGMENT @@ -44,7 +42,7 @@ CODE_FRAGMENT . struct bfd_target *xvec; . . {* To avoid dragging too many header files into every file that -. includes @file{bfd.h}, IOSTREAM has been declared as a "char +. includes `<>', IOSTREAM has been declared as a "char . *", and MTIME as a "long". Their correct types, to which they . are cast when used, are "FILE *" and "time_t". The iostream . is the result of an fopen on the filename. *} @@ -151,11 +149,12 @@ CODE_FRAGMENT . struct ieee_data_struct *ieee_data; . struct ieee_ar_data_struct *ieee_ar_data; . struct srec_data_struct *srec_data; -. struct elf_obj_tdata_struct *elf_obj_data; -. struct elf_core_tdata_struct *elf_core_data; +. struct tekhex_data_struct *tekhex_data; +. struct elf_obj_tdata *elf_obj_data; . struct bout_data_struct *bout_data; . struct sun_core_struct *sun_core_data; . struct trad_core_struct *trad_core_data; +. struct hppa_data_struct *hppa_data; . PTR any; . } tdata; . @@ -165,6 +164,7 @@ CODE_FRAGMENT . {* Where all the allocated stuff under this BFD goes *} . struct obstack memory; . +. {* Is this really needed in addition to usrdata? *} . asymbol **ld_symbols; .}; . @@ -194,7 +194,7 @@ CONST short _bfd_host_big_endian = 0x0100; bfd_ec bfd_error = no_error; -char *bfd_errmsgs[] = { "No error", +CONST char *CONST bfd_errmsgs[] = { "No error", "System call error", "Invalid target", "File in wrong format", @@ -210,6 +210,7 @@ char *bfd_errmsgs[] = { "No error", "Section has no contents", "Nonrepresentable section on output", "Symbol needs debug section which does not exist", + "Bad value", "#" }; @@ -226,34 +227,35 @@ DEFUN(bfd_nonrepresentable_section,(abfd, name), exit(1); } +/*ARGSUSED*/ static void DEFUN(bfd_undefined_symbol,(relent, seclet), CONST arelent *relent AND - CONST struct bfd_seclet_struct *seclet) + CONST struct bfd_seclet *seclet) { asymbol *symbol = *(relent->sym_ptr_ptr); printf("bfd error relocating, symbol %s is undefined\n", symbol->name); exit(1); } +/*ARGSUSED*/ static void DEFUN(bfd_reloc_value_truncated,(relent, seclet), CONST arelent *relent AND - struct bfd_seclet_struct *seclet) + struct bfd_seclet *seclet) { - asymbol *symbol = *(relent->sym_ptr_ptr); printf("bfd error relocating, value truncated\n"); exit(1); } +/*ARGSUSED*/ static void DEFUN(bfd_reloc_is_dangerous,(relent, seclet), CONST arelent *relent AND - CONST struct bfd_seclet_struct *seclet) + CONST struct bfd_seclet *seclet) { - asymbol *symbol = *(relent->sym_ptr_ptr); printf("bfd error relocating, dangerous\n"); exit(1); } @@ -267,7 +269,7 @@ bfd_error_vector_type bfd_error_vector = }; -char * +CONST char * bfd_errmsg (error_tag) bfd_ec error_tag; { @@ -377,7 +379,7 @@ DEFUN(bfd_canonicalize_reloc,(abfd, asect, location, symbols), } return BFD_SEND (abfd, _bfd_canonicalize_reloc, (abfd, asect, location, symbols)); -} + } /* @@ -416,12 +418,12 @@ bfd_set_file_flags (abfd, flags) return false; } + bfd_get_file_flags (abfd) = flags; if ((flags & bfd_applicable_file_flags (abfd)) != flags) { bfd_error = invalid_operation; return false; } - bfd_get_file_flags (abfd) = flags; return true; } @@ -438,7 +440,7 @@ DESCRIPTION section to the supplied values. */ - +/*ARGSUSED*/ void bfd_set_reloc (ignore_abfd, asect, location, count) bfd *ignore_abfd; @@ -527,6 +529,7 @@ DESCRIPTION .#define bfd_find_nearest_line(abfd, sec, syms, off, file, func, line) \ . BFD_SEND (abfd, _bfd_find_nearest_line, (abfd, sec, syms, off, file, func, line)) . +. {* Do these three do anything useful at all, for any back end? *} .#define bfd_debug_info_start(abfd) \ . BFD_SEND (abfd, _bfd_debug_info_start, (abfd)) . @@ -536,45 +539,16 @@ DESCRIPTION .#define bfd_debug_info_accumulate(abfd, section) \ . BFD_SEND (abfd, _bfd_debug_info_accumulate, (abfd, section)) . +. .#define bfd_stat_arch_elt(abfd, stat) \ . BFD_SEND (abfd, _bfd_stat_arch_elt,(abfd, stat)) . -.#define bfd_coff_swap_aux_in(a,e,t,c,i) \ -. BFD_SEND (a, _bfd_coff_swap_aux_in, (a,e,t,c,i)) -. -.#define bfd_coff_swap_sym_in(a,e,i) \ -. BFD_SEND (a, _bfd_coff_swap_sym_in, (a,e,i)) -. -.#define bfd_coff_swap_lineno_in(a,e,i) \ -. BFD_SEND ( a, _bfd_coff_swap_lineno_in, (a,e,i)) -. .#define bfd_set_arch_mach(abfd, arch, mach)\ . BFD_SEND ( abfd, _bfd_set_arch_mach, (abfd, arch, mach)) . -.#define bfd_coff_swap_reloc_out(abfd, i, o) \ -. BFD_SEND (abfd, _bfd_coff_swap_reloc_out, (abfd, i, o)) -. -.#define bfd_coff_swap_lineno_out(abfd, i, o) \ -. BFD_SEND (abfd, _bfd_coff_swap_lineno_out, (abfd, i, o)) -. -.#define bfd_coff_swap_aux_out(abfd, i, t,c,o) \ -. BFD_SEND (abfd, _bfd_coff_swap_aux_out, (abfd, i,t,c, o)) -. -.#define bfd_coff_swap_sym_out(abfd, i,o) \ -. BFD_SEND (abfd, _bfd_coff_swap_sym_out, (abfd, i, o)) -. -.#define bfd_coff_swap_scnhdr_out(abfd, i,o) \ -. BFD_SEND (abfd, _bfd_coff_swap_scnhdr_out, (abfd, i, o)) -. -.#define bfd_coff_swap_filehdr_out(abfd, i,o) \ -. BFD_SEND (abfd, _bfd_coff_swap_filehdr_out, (abfd, i, o)) -. -.#define bfd_coff_swap_aouthdr_out(abfd, i,o) \ -. BFD_SEND (abfd, _bfd_coff_swap_aouthdr_out, (abfd, i, o)) -. -.#define bfd_get_relocated_section_contents(abfd, seclet) \ -. BFD_SEND (abfd, _bfd_get_relocated_section_contents, (abfd, seclet)) -. +.#define bfd_get_relocated_section_contents(abfd, seclet, data) \ +. BFD_SEND (abfd, _bfd_get_relocated_section_contents, (abfd, seclet, data)) +. .#define bfd_relax_section(abfd, section, symbols) \ . BFD_SEND (abfd, _bfd_relax_section, (abfd, section, symbols)) diff --git a/bfd/tekhex.c b/bfd/tekhex.c new file mode 100644 index 0000000..5c3d470 --- /dev/null +++ b/bfd/tekhex.c @@ -0,0 +1,990 @@ +/* BFD backend for Extended Tektronix Hex Format objects. + Copyright (C) 1992 Free Software Foundation, Inc. + + Written by Steve Chamberlain of Cygnus Support . + +This file is part of BFD, the Binary File Descriptor library. + +This program is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2 of the License, or +(at your option) any later version. + +This program is distributed in the hope that it will be useful, +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. */ + +/* +SUBSECTION + Tektronix Hex Format handling + +DESCRIPTION + + Tek Hex records can hold symbols and data, but not + relocations. Their main application is communication with + devices like PROM programmers and ICE equipment. + + It seems that the sections are descibed as being really big, + the example I have says that the text section is 0..ffffffff. + BFD would barf with this, many apps would try to alloc 4GB to + read in the file. + + Tex Hex may contain many sections, but the data which comes in + has no tag saying which section it belongs to, so we create + one section for each block of data, called "blknnnn" which we + stick all the data into. + + TekHex may come out of order and there is no header, so an + initial scan is required to discover the minimum and maximum + addresses used to create the vma and size of the sections we + create. + We read in the data into pages of CHUNK_MASK+1 size and read + them out from that whenever we need to. + + Any number of sections may be created for output, we save them + up and output them when it's time to close the bfd. + + + A TekHex record looks like: +EXAMPLE + % + +DESCRIPTION + Where + o length + is the number of bytes in the record not including the % sign. + o type + is one of: + 3) symbol record + 6) data record + 8) termination record + + +The data can come out of order, and may be discontigous. This is a +serial protocol, so big files are unlikely, so we keep a list of 8k chunks +*/ + +#include "bfd.h" +#include "sysdep.h" +#include "libbfd.h" + +typedef struct { +bfd_vma low; +bfd_vma high; +} addr_range_type; + +typedef struct tekhex_symbol_struct { + + asymbol symbol; +struct tekhex_symbol_struct *prev; + +} tekhex_symbol_type; + +static char digs[] = "0123456789ABCDEF"; + +static char sum_block[256]; +/* Horrible ascii dependent macros for converting between hex and + binary */ + +#define CHARS_IN_SET 256 +static char hex_value[CHARS_IN_SET]; +#define NOT_HEX 20 +#define NIBBLE(x) hex_value[x] +#define HEX(buffer) ((NIBBLE((buffer)[0])<<4) + NIBBLE((buffer)[1])) +#define TOHEX(d,x) \ +(d)[1] = digs[(x) & 0xf]; \ +(d)[0] = digs[((x)>>4)&0xf]; +#define ISHEX(x) (hex_value[x] != NOT_HEX) + +/* +Here's an example +%3A6C6480004E56FFFC4E717063B0AEFFFC6D0652AEFFFC60F24E5E4E75 +%1B3709T_SEGMENT1108FFFFFFFF +%2B3AB9T_SEGMENT7Dgcc_compiled$1087hello$c10 +%373829T_SEGMENT80int$t1$r1$$214741080char$t2$r2$0$12710 +%373769T_SEGMENT80long$int$t3$r1$$1080unsigned$int$t4$10 +%373CA9T_SEGMENT80long$unsigned$in1080short$int$t6$r1$10 +%373049T_SEGMENT80long$long$int$t71080short$unsigned$i10 +%373A29T_SEGMENT80long$long$unsign1080signed$char$t10$10 +%373D69T_SEGMENT80unsigned$char$t11080float$t12$r1$4$010 +%373D19T_SEGMENT80double$t13$r1$8$1080long$double$t14$10 +%2734D9T_SEGMENT8Bvoid$t15$151035_main10 +%2F3CA9T_SEGMENT81$1081$1681$1E81$21487main$F110 +%2832F9T_SEGMENT83i$18FFFFFFFC81$1481$214 +%07 8 10 10 + +explanation: +%3A6C6480004E56FFFC4E717063B0AEFFFC6D0652AEFFFC60F24E5E4E75 + ^ ^^ ^ ^-data + | || +------ 4 char integer 0x8000 + | |+-------- checksum + | +--------- type 6 (data record) + +----------- length 3a chars + <---------------------- 3a (58 chars) -------------------> + +%1B3709T_SEGMENT1108FFFFFFFF + ^ ^^ ^- 8 character integer 0xffffffff + | |+- 1 character integer 0 + | +-- type 1 symbol (section definition) + +------------ 9 char symbol T_SEGMENT + +%2B3AB9T_SEGMENT7Dgcc_compiled$1087hello$c10 +%373829T_SEGMENT80int$t1$r1$$214741080char$t2$r2$0$12710 +%373769T_SEGMENT80long$int$t3$r1$$1080unsigned$int$t4$10 +%373CA9T_SEGMENT80long$unsigned$in1080short$int$t6$r1$10 +%373049T_SEGMENT80long$long$int$t71080short$unsigned$i10 +%373A29T_SEGMENT80long$long$unsign1080signed$char$t10$10 +%373D69T_SEGMENT80unsigned$char$t11080float$t12$r1$4$010 +%373D19T_SEGMENT80double$t13$r1$8$1080long$double$t14$10 +%2734D9T_SEGMENT8Bvoid$t15$151035_main10 +%2F3CA9T_SEGMENT81$1081$1681$1E81$21487main$F110 +%2832F9T_SEGMENT83i$18FFFFFFFC81$1481$214 +%0781010 + +Turns into +sac@thepub$ ./objdump -dx -m m68k f + +f: file format tekhex +-----x--- 9/55728 -134219416 Sep 29 15:13 1995 f +architecture: UNKNOWN!, flags 0x00000010: +HAS_SYMS +start address 0x00000000 +SECTION 0 [D00000000] : size 00020000 vma 00000000 align 2**0 + ALLOC, LOAD +SECTION 1 [D00008000] : size 00002001 vma 00008000 align 2**0 + +SECTION 2 [T_SEGMENT] : size ffffffff vma 00000000 align 2**0 + +SYMBOL TABLE: +00000000 g T_SEGMENT gcc_compiled$ +00000000 g T_SEGMENT hello$c +00000000 g T_SEGMENT int$t1$r1$$21474 +00000000 g T_SEGMENT char$t2$r2$0$127 +00000000 g T_SEGMENT long$int$t3$r1$$ +00000000 g T_SEGMENT unsigned$int$t4$ +00000000 g T_SEGMENT long$unsigned$in +00000000 g T_SEGMENT short$int$t6$r1$ +00000000 g T_SEGMENT long$long$int$t7 +00000000 g T_SEGMENT short$unsigned$i +00000000 g T_SEGMENT long$long$unsign +00000000 g T_SEGMENT signed$char$t10$ +00000000 g T_SEGMENT unsigned$char$t1 +00000000 g T_SEGMENT float$t12$r1$4$0 +00000000 g T_SEGMENT double$t13$r1$8$ +00000000 g T_SEGMENT long$double$t14$ +00000000 g T_SEGMENT void$t15$15 +00000000 g T_SEGMENT _main +00000000 g T_SEGMENT $ +00000000 g T_SEGMENT $ +00000000 g T_SEGMENT $ +00000010 g T_SEGMENT $ +00000000 g T_SEGMENT main$F1 +fcffffff g T_SEGMENT i$1 +00000000 g T_SEGMENT $ +00000010 g T_SEGMENT $ + + +RELOCATION RECORDS FOR [D00000000]: (none) + +RELOCATION RECORDS FOR [D00008000]: (none) + +RELOCATION RECORDS FOR [T_SEGMENT]: (none) + +Disassembly of section D00000000: +... +00008000 ($+)7ff0 linkw fp,#-4 +00008004 ($+)7ff4 nop +00008006 ($+)7ff6 movel #99,d0 +00008008 ($+)7ff8 cmpl fp@(-4),d0 +0000800c ($+)7ffc blts 00008014 ($+)8004 +0000800e ($+)7ffe addql #1,fp@(-4) +00008012 ($+)8002 bras 00008006 ($+)7ff6 +00008014 ($+)8004 unlk fp +00008016 ($+)8006 rts +... + +*/ + +static void +DEFUN_VOID(tekhex_init) +{ + unsigned int i; + static boolean inited = false; + int val; + if (inited == false) + { + + inited = true; + + for (i = 0; i < CHARS_IN_SET; i++) + { + hex_value[i] = NOT_HEX; + } + + for (i = 0; i < 10; i++) + { + hex_value[i + '0'] = i; + + } + for (i = 0; i < 6; i++) + { + hex_value[i + 'a'] = i+10; + hex_value[i + 'A'] = i+10; + } + val = 0; + for (i = 0; i < 10; i++) { + sum_block[i + '0'] = val++; + } + for (i = 'A'; i <= 'Z'; i++) { + sum_block[i] = val++; + } + sum_block['$'] = val++; + sum_block['%'] = val++; + sum_block['.'] = val++; + sum_block['_'] = val++; + for (i = 'a'; i <= 'z'; i++) { + sum_block[i] = val++; + } + } +} + + +/* The maximum number of bytes on a line is FF */ +#define MAXCHUNK 0xff +/* The number of bytes we fit onto a line on output */ +#define CHUNK 21 + +/* We cannot output our tekhexords as we see them, we have to glue them + together, this is done in this structure : */ + +struct tekhex_data_list_struct +{ + unsigned char *data; + bfd_vma where; + bfd_size_type size; + struct tekhex_data_list_struct *next; + +} ; +typedef struct tekhex_data_list_struct tekhex_data_list_type; + + + +#define CHUNK_MASK 0x1fff + +struct data_struct { + char chunk_data[CHUNK_MASK+1]; + char chunk_init[CHUNK_MASK+1]; + bfd_vma vma; + struct data_struct *next; +} ; + +typedef struct tekhex_data_struct +{ + tekhex_data_list_type *head; + unsigned int type; + struct tekhex_symbol_struct *symbols; + struct data_struct *data; +} tdata_type; + + + +#define enda(x) (x->vma + x->size) + + +static bfd_vma +DEFUN(getvalue,(srcp), + char **srcp) +{ + char *src = *srcp; + bfd_vma value = 0; + unsigned int len = hex_value[*src++]; + if (len == 0) len=16; + while (len --) { + value = value << 4 | hex_value[*src++]; + } + *srcp = src; + return value; +} + +static unsigned int +DEFUN(getsym,(dstp,srcp), + char *dstp AND + char **srcp) +{ + char *src = *srcp; + unsigned int i; + unsigned int len = hex_value[*src++]; + if (len == 0) len=16; + for (i = 0; i < len; i++) + dstp[i] = src[i]; + dstp[i] = 0; + *srcp = src + i; + return len; +} + +struct data_struct * +DEFUN(find_chunk,(abfd, vma), + bfd *abfd AND + bfd_vma vma) +{ + struct data_struct *d = abfd->tdata.tekhex_data->data; + vma &= ~CHUNK_MASK; + while (d && (d->vma) != vma) + { + d = d->next; + } + if (!d) { + char *sname = bfd_alloc(abfd, 12); + asection *s; + + /* No chunk for this address, so make one up */ + d =(struct data_struct *) + bfd_alloc(abfd, sizeof(struct data_struct)); + memset(d->chunk_init, 0, CHUNK_MASK+1); + memset(d->chunk_data, 0, CHUNK_MASK+1); + d->next = abfd->tdata.tekhex_data->data ; + d->vma = vma; + abfd->tdata.tekhex_data->data = d; + } + return d; +} + +DEFUN(insert_byte,(abfd, value, addr), + bfd *abfd AND + int value AND + bfd_vma addr) +{ + /* Find the chunk that this byte needs and put it in */ + struct data_struct *d = find_chunk(abfd, addr); + d->chunk_data[addr &CHUNK_MASK] = value; + d->chunk_init[addr &CHUNK_MASK] = 1; + +} +/* The first pass is to find the names of all the sections, and see + how big the data is */ +static void +DEFUN(first_phase,(abfd, type, src), + bfd *abfd AND + char type AND + char *src) +{ + asection *section = &bfd_abs_section; + int len; + char sym[17]; /* A symbol can only be 16chars long */ + switch (type) + { + case '6': + /* Data record - read it and store it */ + { + bfd_vma addr = getvalue(&src); + while (*src) { + insert_byte(abfd, HEX(src), addr); + src+=2; + addr++; + } + } + + return; + case '3': + /* Symbol record, read the segment */ + len = getsym(sym, &src); + section = bfd_get_section_by_name(abfd, sym); + if (section == (asection *)NULL) + { + char *n = bfd_alloc(abfd, len+1); + memcpy(n, sym, len+1); + section = bfd_make_section(abfd, n); + } + while (*src) + { + switch (*src) { + asection *s; + case '1': /* section range */ + src++; + section->vma = getvalue(&src); + section->_raw_size = getvalue(&src) - section->vma; + section->flags = SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC; + break; + + case '2': + case '3': + case '4': + case '6': + case '7': + case '8': + /* Symbols, add to section */ + { + tekhex_symbol_type *new = + (tekhex_symbol_type *)bfd_alloc(abfd, + sizeof(tekhex_symbol_type)); + char type=(*src); + new->symbol.the_bfd = abfd; + src++; + abfd->symcount++; + abfd->flags |= HAS_SYMS; + new->prev = abfd->tdata.tekhex_data->symbols; + abfd->tdata.tekhex_data->symbols = new; + len = getsym(sym, &src); + new->symbol.name = bfd_alloc(abfd,len+1); + memcpy((char *)(new->symbol.name), sym, len+1); + new->symbol.section = section ; + if (type <= '4') + new->symbol.flags = (BSF_GLOBAL|BSF_EXPORT); + else + new->symbol.flags = BSF_LOCAL; + new->symbol.value = getvalue(&src) - section->vma; + } + } + } + } +} + + +/* Pass over an tekhex, calling one of the above functions on each + record. */ + +static void + DEFUN(pass_over,(abfd, func), + bfd *abfd AND + void (*func) PARAMS ((bfd *, char, char *))) +{ + unsigned int chars_on_line; + boolean eof = false; + + /* To the front of the file */ + bfd_seek(abfd, (file_ptr)0, SEEK_SET); + while (eof == false) + { + char buffer[MAXCHUNK]; + char *src = buffer; + char type; + bfd_vma address = 0; + + /* Find first '%' */ + eof = (boolean)(bfd_read(src, 1, 1, abfd) != 1); + while (*src!= '%' && !eof) { + eof = (boolean)(bfd_read(src, 1, 1, abfd) != 1); + } + if (eof) break; + src++; + + + /* Fetch the type and the length and the checksum */ + bfd_read(src, 1, 5, abfd); + + type = src[2]; + + if (!ISHEX (src[0]) || !ISHEX (src[1])) + break; + + chars_on_line = HEX(src) - 5; /* Already read five char */ + + bfd_read(src, 1 , chars_on_line , abfd); + src[chars_on_line] = 0; /* put a null at the end */ + + + + func(abfd, type, src); + } + +} + + + + +unsigned int +DEFUN(tekhex_get_symtab,(abfd, table), + bfd *abfd AND + asymbol **table) +{ + tekhex_symbol_type *p = abfd->tdata.tekhex_data->symbols; + unsigned int c = bfd_get_symcount(abfd) ; + table[c]= 0; + while (p) { + table[--c] = &(p->symbol); + p = p->prev; + } + + return bfd_get_symcount(abfd); +} + +unsigned int +DEFUN(tekhex_get_symtab_upper_bound,(abfd), + bfd *abfd) +{ + return (abfd->symcount+1) * (sizeof(struct tekhex_asymbol_struct *)); + +} + +static boolean +DEFUN(tekhex_mkobject, (abfd), + bfd *abfd) +{ + tdata_type *tdata = (tdata_type *)bfd_alloc(abfd, sizeof(tdata_type)); + abfd->tdata.tekhex_data = tdata; + tdata->type = 1; + tdata->head = (tekhex_data_list_type *)NULL; + tdata->symbols = (struct tekhex_symbol_struct *)NULL; +tdata->data = (struct data_struct *)NULL; + return true; + +} + +/* + Return true if the file looks like it's in TekHex format. Just look + for a percent sign and some hex digits */ + + +static bfd_target * +DEFUN(tekhex_object_p, (abfd), + bfd *abfd) +{ + char b[4]; + asection *section; + tekhex_init(); + + bfd_seek(abfd, (file_ptr)0, SEEK_SET); + bfd_read(b, 1, 4, abfd); + + if (b[0] != '%' || !ISHEX(b[1]) || !ISHEX(b[2]) || !ISHEX(b[3])) + return (bfd_target*) NULL; + + tekhex_mkobject(abfd); + + pass_over(abfd, first_phase); + return abfd->xvec; +} + + +static boolean +DEFUN(move_section_contents,(abfd, section, locationp, offset,count, + get), + + bfd *abfd AND + asection *section AND + PTR locationp AND + file_ptr offset AND + bfd_size_type count AND + boolean get) +{ + bfd_vma addr; + char *location = (char *)locationp; + bfd_vma prev_number = 1; /* Nothing can have this as a high bit*/ + struct data_struct *d = (struct data_struct *)NULL; + for (addr = section->vma; count != 0; count --, addr++) + { + + bfd_vma chunk_number = addr & ~ CHUNK_MASK; /* Get high bits of address */ + bfd_vma low_bits = addr & CHUNK_MASK; + if (chunk_number != prev_number) + { + /* Different chunk, so move pointer */ + d = find_chunk(abfd, chunk_number); + } + + if (get) { + if (d->chunk_init[low_bits]) + { + *location = d->chunk_data[low_bits]; + } + else + { + *location = 0; + } + } + else { + d->chunk_data[low_bits] = *location ; + d->chunk_init[low_bits] = (*location != 0); + } + + + location ++; + + } + +} +static boolean +DEFUN(tekhex_get_section_contents,(abfd, section, locationp, offset, count), + bfd *abfd AND + asection *section AND + PTR locationp AND + file_ptr offset AND + bfd_size_type count) +{ + if (section->flags & (SEC_LOAD | SEC_ALLOC)) + { + move_section_contents(abfd, section, locationp, offset, count, true); + return true; + } + else return false; +} + + + +boolean +DEFUN(tekhex_set_arch_mach,(abfd, arch, machine), + bfd *abfd AND + enum bfd_architecture arch AND + unsigned long machine) +{ + return bfd_default_set_arch_mach(abfd, arch, machine); +} + + +/* we have to save up all the Tekhexords for a splurge before output, + */ + +static boolean +DEFUN(tekhex_set_section_contents,(abfd, section, locationp, offset, bytes_to_do), + bfd *abfd AND + sec_ptr section AND + PTR locationp AND + file_ptr offset AND + bfd_size_type bytes_to_do) +{ + + if (abfd->output_has_begun == false) { + /* The first time around, allocate enough sections to hold all the chunks */ + asection *s = abfd->sections; + bfd_vma vma; + for (s = abfd->sections; s ; s = s->next) { + if (s->flags & SEC_LOAD) { + for (vma = s->vma & ~CHUNK_MASK; + vma < s->vma + s->_raw_size; + vma += CHUNK_MASK) + find_chunk(abfd, vma); + } + } + + } + if (section->flags & (SEC_LOAD | SEC_ALLOC)) + { + move_section_contents(abfd, section, locationp, offset, bytes_to_do, false); + return true; + } + else return false; + +} + + +static void +DEFUN(writevalue,(dst, value), + char **dst AND + bfd_vma value) +{ + char *p = *dst; + int len ; + int shift; + for (len = 8, shift = 28; shift ; shift-=4, len--) + { + if ((value>>shift) & 0xf) { + *p ++ = len + '0'; + while (len) { + *p ++ = digs[(value>>shift) &0xf]; + shift-=4; + len --; + } + *dst = p; + return; + + } + } + *p++ = '1'; + *p++ = '0'; + *dst = p; +} + +static void +DEFUN(writesym,(dst, sym), + char **dst AND + CONST char *sym) +{ + char *p = *dst; + int len = (sym?strlen(sym):0); + if (len >= 16) { + *p++ = '0'; + len = 16; + } + + else { + if (len == 0) { + *p++ = '1'; + sym = "$"; + len=1; + } + else + { + *p++ = digs[len]; + } + } + + while (len--) { + *p++ = *sym++; + } + *dst = p; +} + +static void +DEFUN(out,(abfd, type, start, end), + bfd *abfd AND + char type AND + char *start AND + char *end) +{ + int sum = 0; + char *s; + char front[6]; + front[0] = '%'; + TOHEX(front+1, end - start + 5); + front[3] = type; + + for (s = start; s < end; s++) { + sum += sum_block[*s]; + } + + + sum += sum_block[front[1]];/* length */ + sum += sum_block[front[2]]; + sum += sum_block[front[3]];/* type */ + TOHEX(front+4, sum); + bfd_write(front, 1, 6,abfd); + end[0] = '\n'; + bfd_write(start, 1,end-start+1,abfd); + +} +static boolean +DEFUN(tekhex_write_object_contents,(abfd), + bfd *abfd) +{ + int bytes_written; + char buffer[100]; + asymbol **p; + tdata_type *tdata = abfd->tdata.tekhex_data; + tekhex_data_list_type *list; + asection *s; + struct data_struct *d; + bytes_written = 0; + + /* And the raw data */ + for (d = abfd->tdata.tekhex_data->data; + d != (struct data_struct *)NULL; + d = d->next) + { + int low; + + CONST int span=32; + int addr; + /* Write it in blocks of 32 bytes */ + + for (addr = 0; addr < CHUNK_MASK + 1; addr+=span) + { + int need = 0; + /* Check to see if necessary */ + for (low = 0; !need && low < span; low++) { + if (d->chunk_init[addr + low]) need = 1; + } + if (need){ + char * dst = buffer; + writevalue(&dst, addr + d->vma); + for (low = 0; low chunk_data[addr + low]); + dst+=2; + } + out(abfd, '6', buffer, dst); + } + } + } + /* write all the section headers for the sections */ + for (s = abfd->sections ; s != (asection *)NULL ; s = s->next) + { + char *dst = buffer; + writesym(&dst, s->name); + *dst++ = '1'; + writevalue(&dst, s->vma); + writevalue(&dst, s->vma + s->_raw_size); + out(abfd, '3',buffer, dst); + } + + /* And the symbols */ + for (p = abfd->outsymbols; *p; p++) { + int section_code = bfd_decode_symclass (*p); + if (section_code != '?') { /* do not include debug symbols */ + asymbol *s = *p; + char *dst = buffer; + writesym(&dst, s->section->name); + + switch(section_code) { + case 'A': + *dst++ = '2'; + break; + case 'a': + *dst++ = '6'; + break; + case 'D': + case 'B': + case 'O': + *dst++ = '4'; + break; + case 'd': + case 'b': + case 'o': + *dst++ = '8'; + break; + case 'T': + *dst++ = '3'; + break; + case 't': + *dst++ = '7'; + break; + case 'C': + case 'U': + bfd_error=wrong_format; + return false; + } + + writesym(&dst, s->name); + writevalue(&dst, s->value + s->section->vma); + out(abfd, '3', buffer, dst); + } + } + + + /* And the terminator */ + bfd_write("%7081010\n", 1,9 , abfd); +return true; +} + + +static int +DEFUN(tekhex_sizeof_headers,(abfd, exec), + bfd *abfd AND + boolean exec) +{ +return 0; +} + +static asymbol * +DEFUN(tekhex_make_empty_symbol, (abfd), + bfd*abfd) +{ + tekhex_symbol_type *new= + (tekhex_symbol_type *)bfd_zalloc (abfd, sizeof (struct tekhex_symbol_struct)); + new->symbol.the_bfd = abfd; + new->prev = (struct tekhex_symbol_struct *)NULL; + return &(new->symbol); +} + +static void +DEFUN(tekhex_print_symbol,(ignore_abfd, filep, symbol, how), + bfd *ignore_abfd AND + PTR filep AND + asymbol *symbol AND + bfd_print_symbol_type how) +{ + FILE *file = (FILE *)filep; + switch (how) { + case bfd_print_symbol_name: + fprintf(file, "%s", symbol->name); + break; + case bfd_print_symbol_more: + break; + case bfd_print_symbol_nm: + { + int section_code = bfd_decode_symclass (symbol); + + if (section_code == 'U') + fprintf(file, " "); + fprintf_vma(file, symbol->value+symbol->section->vma); + if (section_code == '?') + { + fprintf(file," ?"); + } + else + fprintf(file," %c", section_code); + if (symbol->name) + fprintf(file," %s", symbol->name); + } + break; + case bfd_print_symbol_all: + { + CONST char *section_name = symbol->section->name; + bfd_print_symbol_vandf((PTR) file, symbol); + + + fprintf(file, " %-5s %s", + section_name, + symbol->name); + } + } +} + +#define FOO PROTO +#define tekhex_new_section_hook (FOO(boolean, (*), (bfd *, asection *)))bfd_true +#define tekhex_get_reloc_upper_bound (FOO(unsigned int, (*),(bfd*, asection *)))bfd_false +#define tekhex_canonicalize_reloc (FOO(unsigned int, (*),(bfd*,asection *, arelent **, asymbol **))) bfd_0 + + +#define tekhex_openr_next_archived_file (FOO(bfd *, (*), (bfd*,bfd*))) bfd_nullvoidptr +#define tekhex_find_nearest_line (FOO(boolean, (*),(bfd*,asection*,asymbol**,bfd_vma, CONST char**, CONST char**, unsigned int *))) bfd_false +#define tekhex_generic_stat_arch_elt (FOO(int, (*), (bfd *,struct stat *))) bfd_0 + + +#define tekhex_core_file_failing_command (char *(*)())(bfd_nullvoidptr) +#define tekhex_core_file_failing_signal (int (*)())bfd_0 +#define tekhex_core_file_matches_executable_p (FOO(boolean, (*),(bfd*, bfd*)))bfd_false +#define tekhex_slurp_armap bfd_true +#define tekhex_slurp_extended_name_table bfd_true +#define tekhex_truncate_arname (void (*)())bfd_nullvoidptr +#define tekhex_write_armap (FOO( boolean, (*),(bfd *, unsigned int, struct orl *, unsigned int, int))) bfd_nullvoidptr +#define tekhex_get_lineno (struct lineno_cache_entry *(*)())bfd_nullvoidptr +#define tekhex_close_and_cleanup bfd_generic_close_and_cleanup +#define tekhex_bfd_debug_info_start bfd_void +#define tekhex_bfd_debug_info_end bfd_void +#define tekhex_bfd_debug_info_accumulate (FOO(void, (*), (bfd *, asection *))) bfd_void +#define tekhex_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents +#define tekhex_bfd_relax_section bfd_generic_relax_section +bfd_target tekhex_vec = +{ + "tekhex", /* name */ + bfd_target_tekhex_flavour, + true, /* target byte order */ + true, /* target headers byte order */ + ( EXEC_P | /* object flags */ + HAS_SYMS | HAS_LOCALS | DYNAMIC | WP_TEXT | D_PAGED), + (SEC_CODE|SEC_DATA|SEC_ROM|SEC_HAS_CONTENTS + |SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* section flags */ + 0, /* leading underscore */ + ' ', /* ar_pad_char */ + 16, /* ar_max_namelen */ + 1, /* minimum alignment */ + _do_getb64, _do_putb64, _do_getb32, + _do_putb32, _do_getb16, _do_putb16, /* data */ + _do_getb64, _do_putb64, _do_getb32, + _do_putb32, _do_getb16, _do_putb16, /* hdrs */ + + { + _bfd_dummy_target, + tekhex_object_p, /* bfd_check_format */ + (struct bfd_target *(*)()) bfd_nullvoidptr, + (struct bfd_target *(*)()) bfd_nullvoidptr, + }, + { + bfd_false, + tekhex_mkobject, + _bfd_generic_mkarchive, + bfd_false, + }, + { /* bfd_write_contents */ + bfd_false, + tekhex_write_object_contents, + _bfd_write_archive_contents, + bfd_false, + }, + JUMP_TABLE(tekhex) + }; + -- 2.7.4