X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=bfd%2Ftekhex.c;h=b94f843b8a7db15619c513b0e8249f7835769780;hb=2168b2688ae343a61c467450068503295a5e3deb;hp=32c3d97e0448f6d21ca8dadd5ae628e186aeaa16;hpb=0f867abe4ab1bf1b680a54d930736b5180ecb7ab;p=deliverable%2Fbinutils-gdb.git diff --git a/bfd/tekhex.c b/bfd/tekhex.c index 32c3d97e04..b94f843b8a 100644 --- a/bfd/tekhex.c +++ b/bfd/tekhex.c @@ -1,35 +1,35 @@ /* BFD backend for Extended Tektronix Hex Format objects. - Copyright 1992, 1993, 1994, 1995, 1996, 1998, 1999, 2000, 2001, 2002, 2003 - Free Software Foundation, Inc. + Copyright (C) 1992-2016 Free Software Foundation, Inc. Written by Steve Chamberlain of Cygnus Support . -This file is part of BFD, the Binary File Descriptor library. + 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 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 3 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. + 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + 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., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ -/* -SUBSECTION + +/* SUBSECTION Tektronix Hex Format handling -DESCRIPTION + 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, + It seems that the sections are described 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. @@ -50,10 +50,10 @@ DESCRIPTION up and output them when it's time to close the bfd. A TekHex record looks like: -EXAMPLE + EXAMPLE % -DESCRIPTION + DESCRIPTION Where o length is the number of bytes in the record not including the % sign. @@ -63,180 +63,145 @@ DESCRIPTION 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 -*/ + 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 "bfd.h" #include "libbfd.h" #include "libiberty.h" typedef struct - { - bfd_vma low; - bfd_vma high; - } addr_range_type; +{ + bfd_vma low; + bfd_vma high; +} addr_range_type; typedef struct tekhex_symbol_struct - { - - asymbol symbol; - struct tekhex_symbol_struct *prev; - - } tekhex_symbol_type; +{ + asymbol symbol; + struct tekhex_symbol_struct *prev; +} tekhex_symbol_type; static const char digs[] = "0123456789ABCDEF"; static char sum_block[256]; -#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_p(x) - -static void tekhex_init PARAMS ((void)); -static bfd_vma getvalue PARAMS ((char **)); -static void tekhex_print_symbol - PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type)); -static void tekhex_get_symbol_info PARAMS ((bfd *, asymbol *, symbol_info *)); -static asymbol *tekhex_make_empty_symbol PARAMS ((bfd *)); -static int tekhex_sizeof_headers PARAMS ((bfd *, bfd_boolean)); -static bfd_boolean tekhex_write_object_contents PARAMS ((bfd *)); -static void out PARAMS ((bfd *, int, char *, char *)); -static void writesym PARAMS ((char **, const char *)); -static void writevalue PARAMS ((char **, bfd_vma)); -static bfd_boolean tekhex_set_section_contents - PARAMS ((bfd*, sec_ptr, const PTR, file_ptr, bfd_size_type)); -static bfd_boolean tekhex_set_arch_mach - PARAMS ((bfd *, enum bfd_architecture, unsigned long)); -static bfd_boolean tekhex_get_section_contents - PARAMS ((bfd *, asection *, PTR, file_ptr, bfd_size_type)); -static void move_section_contents - PARAMS ((bfd *, asection *, const PTR, file_ptr, bfd_size_type, bfd_boolean)); -static const bfd_target *tekhex_object_p PARAMS ((bfd *)); -static bfd_boolean tekhex_mkobject PARAMS ((bfd *)); -static long tekhex_get_symtab_upper_bound PARAMS ((bfd *)); -static long tekhex_canonicalize_symtab PARAMS ((bfd *, asymbol **)); -static void pass_over PARAMS ((bfd *, void (*) (bfd*, int, char *))); -static void first_phase PARAMS ((bfd *, int, char *)); -static void insert_byte PARAMS ((bfd *, int, bfd_vma)); -static struct data_struct *find_chunk PARAMS ((bfd *, bfd_vma)); -static unsigned int getsym PARAMS ((char *, char **)); - -/* -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 -... - -*/ +#define NOT_HEX 20 +#define NIBBLE(x) hex_value(x) +#define HEX(buffer) ((NIBBLE ((buffer)[0]) << 4) + NIBBLE ((buffer)[1])) +#define ISHEX(x) hex_p(x) +#define TOHEX(d, x) \ + (d)[1] = digs[(x) & 0xf]; \ + (d)[0] = digs[((x)>>4)&0xf]; + +/* 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 ($+)8006 rts + ... */ static void -tekhex_init () +tekhex_init (void) { unsigned int i; static bfd_boolean inited = FALSE; @@ -248,27 +213,23 @@ tekhex_init () hex_init (); val = 0; for (i = 0; i < 10; i++) - { - sum_block[i + '0'] = val++; - } + sum_block[i + '0'] = val++; + for (i = 'A'; i <= 'Z'; i++) - { - sum_block[i] = val++; - } + sum_block[i] = val++; + sum_block['$'] = val++; sum_block['%'] = val++; sum_block['.'] = val++; sum_block['_'] = val++; for (i = 'a'; i <= 'z'; i++) - { - sum_block[i] = val++; - } + sum_block[i] = val++; } } -/* The maximum number of bytes on a line is FF */ +/* The maximum number of bytes on a line is FF. */ #define MAXCHUNK 0xff -/* The number of bytes we fit onto a line on output */ +/* 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 @@ -285,14 +246,15 @@ struct tekhex_data_list_struct typedef struct tekhex_data_list_struct tekhex_data_list_type; #define CHUNK_MASK 0x1fff +#define CHUNK_SPAN 32 struct data_struct - { - char chunk_data[CHUNK_MASK + 1]; - char chunk_init[CHUNK_MASK + 1]; - bfd_vma vma; - struct data_struct *next; - }; +{ + unsigned char chunk_data[CHUNK_MASK + 1]; + unsigned char chunk_init[(CHUNK_MASK + 1 + CHUNK_SPAN - 1) / CHUNK_SPAN]; + bfd_vma vma; + struct data_struct *next; +}; typedef struct tekhex_data_struct { @@ -304,59 +266,66 @@ typedef struct tekhex_data_struct #define enda(x) (x->vma + x->size) -static bfd_vma -getvalue (srcp) - char **srcp; +static bfd_boolean +getvalue (char **srcp, bfd_vma *valuep, char * endp) { char *src = *srcp; bfd_vma value = 0; - unsigned int len = hex_value(*src++); + unsigned int len; + + if (!ISHEX (*src)) + return FALSE; + len = hex_value (*src++); if (len == 0) len = 16; - while (len--) + while (len-- && src < endp) { - value = value << 4 | hex_value(*src++); + if (!ISHEX (*src)) + return FALSE; + value = value << 4 | hex_value (*src++); } + *srcp = src; - return value; + *valuep = value; + return len == -1U; } -static unsigned int -getsym (dstp, srcp) - char *dstp; - char **srcp; +static bfd_boolean +getsym (char *dstp, char **srcp, unsigned int *lenp, char * endp) { char *src = *srcp; unsigned int i; - unsigned int len = hex_value(*src++); + unsigned int len; + + if (!ISHEX (*src)) + return FALSE; + len = hex_value (*src++); if (len == 0) len = 16; - for (i = 0; i < len; i++) + for (i = 0; i < len && src < endp; i++) dstp[i] = src[i]; dstp[i] = 0; *srcp = src + i; - return len; + *lenp = len; + return i == len; } static struct data_struct * -find_chunk (abfd, vma) - bfd *abfd; - bfd_vma vma; +find_chunk (bfd *abfd, bfd_vma vma, bfd_boolean create) { struct data_struct *d = abfd->tdata.tekhex_data->data; vma &= ~CHUNK_MASK; while (d && (d->vma) != vma) + d = d->next; + + if (!d && create) { - d = d->next; - } - if (!d) - { - /* No chunk for this address, so make one up */ - d = ((struct data_struct *) - bfd_zalloc (abfd, (bfd_size_type) sizeof (struct data_struct))); + /* No chunk for this address, so make one up. */ + d = (struct data_struct *) + bfd_zalloc (abfd, (bfd_size_type) sizeof (struct data_struct)); if (!d) return NULL; @@ -369,67 +338,82 @@ find_chunk (abfd, vma) } static void -insert_byte (abfd, value, addr) - bfd *abfd; - int value; - bfd_vma addr; +insert_byte (bfd *abfd, int value, bfd_vma addr) { - /* Find the chunk that this byte needs and put it in */ - struct data_struct *d = find_chunk (abfd, addr); + if (value != 0) + { + /* Find the chunk that this byte needs and put it in. */ + struct data_struct *d = find_chunk (abfd, addr, TRUE); - d->chunk_data[addr & CHUNK_MASK] = value; - d->chunk_init[addr & CHUNK_MASK] = 1; + d->chunk_data[addr & CHUNK_MASK] = value; + d->chunk_init[(addr & CHUNK_MASK) / CHUNK_SPAN] = 1; + } } /* The first pass is to find the names of all the sections, and see - how big the data is */ -static void -first_phase (abfd, type, src) - bfd *abfd; - int type; - char *src; + how big the data is. */ + +static bfd_boolean +first_phase (bfd *abfd, int type, char *src, char * src_end) { - asection *section = bfd_abs_section_ptr; + asection *section, *alt_section; unsigned int len; - char sym[17]; /* A symbol can only be 16chars long */ + bfd_vma val; + char sym[17]; /* A symbol can only be 16chars long. */ switch (type) { case '6': - /* Data record - read it and store it */ + /* Data record - read it and store it. */ { - bfd_vma addr = getvalue (&src); + bfd_vma addr; + + if (!getvalue (&src, &addr, src_end)) + return FALSE; - while (*src) + while (*src && src < src_end - 1) { insert_byte (abfd, HEX (src), addr); src += 2; addr++; } + return TRUE; } - return; case '3': - /* Symbol record, read the segment */ - len = getsym (sym, &src); + /* Symbol record, read the segment. */ + if (!getsym (sym, &src, &len, src_end)) + return FALSE; section = bfd_get_section_by_name (abfd, sym); - if (section == (asection *) NULL) + if (section == NULL) { - char *n = bfd_alloc (abfd, (bfd_size_type) len + 1); + char *n = (char *) bfd_alloc (abfd, (bfd_size_type) len + 1); if (!n) - abort (); /* FIXME */ + return FALSE; memcpy (n, sym, len + 1); section = bfd_make_section (abfd, n); + if (section == NULL) + return FALSE; } - while (*src) + alt_section = NULL; + while (src < src_end && *src) { switch (*src) { - case '1': /* section range */ + case '1': /* Section range. */ src++; - section->vma = getvalue (&src); - section->_raw_size = getvalue (&src) - section->vma; + if (!getvalue (&src, §ion->vma, src_end)) + return FALSE; + if (!getvalue (&src, &val, src_end)) + return FALSE; + if (val < section->vma) + val = section->vma; + section->size = val - section->vma; + /* PR 17512: file: objdump-s-endless-loop.tekhex. + Check for overlarge section sizes. */ + if (section->size & 0x80000000) + return FALSE; section->flags = SEC_HAS_CONTENTS | SEC_LOAD | SEC_ALLOC; break; case '0': @@ -439,92 +423,139 @@ first_phase (abfd, type, src) case '6': case '7': case '8': - /* Symbols, add to section */ + /* Symbols, add to section. */ { bfd_size_type amt = sizeof (tekhex_symbol_type); - tekhex_symbol_type *new = - (tekhex_symbol_type *) bfd_alloc (abfd, amt); + tekhex_symbol_type *new_symbol = (tekhex_symbol_type *) + bfd_alloc (abfd, amt); char stype = (*src); - if (!new) - abort (); /* FIXME */ - new->symbol.the_bfd = abfd; + if (!new_symbol) + return FALSE; + new_symbol->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, (bfd_size_type) len + 1); - if (!new->symbol.name) - abort (); /* FIXME */ - memcpy ((char *) (new->symbol.name), sym, len + 1); - new->symbol.section = section; + new_symbol->prev = abfd->tdata.tekhex_data->symbols; + abfd->tdata.tekhex_data->symbols = new_symbol; + if (!getsym (sym, &src, &len, src_end)) + return FALSE; + new_symbol->symbol.name = (const char *) + bfd_alloc (abfd, (bfd_size_type) len + 1); + if (!new_symbol->symbol.name) + return FALSE; + memcpy ((char *) (new_symbol->symbol.name), sym, len + 1); + new_symbol->symbol.section = section; if (stype <= '4') - new->symbol.flags = (BSF_GLOBAL | BSF_EXPORT); + new_symbol->symbol.flags = (BSF_GLOBAL | BSF_EXPORT); else - new->symbol.flags = BSF_LOCAL; - new->symbol.value = getvalue (&src) - section->vma; + new_symbol->symbol.flags = BSF_LOCAL; + if (stype == '2' || stype == '6') + new_symbol->symbol.section = bfd_abs_section_ptr; + else if (stype == '3' || stype == '7') + { + if ((section->flags & SEC_DATA) == 0) + section->flags |= SEC_CODE; + else + { + if (alt_section == NULL) + alt_section + = bfd_get_next_section_by_name (NULL, section); + if (alt_section == NULL) + alt_section = bfd_make_section_anyway_with_flags + (abfd, section->name, + (section->flags & ~SEC_DATA) | SEC_CODE); + if (alt_section == NULL) + return FALSE; + new_symbol->symbol.section = alt_section; + } + } + else if (stype == '4' || stype == '8') + { + if ((section->flags & SEC_CODE) == 0) + section->flags |= SEC_DATA; + else + { + if (alt_section == NULL) + alt_section + = bfd_get_next_section_by_name (NULL, section); + if (alt_section == NULL) + alt_section = bfd_make_section_anyway_with_flags + (abfd, section->name, + (section->flags & ~SEC_CODE) | SEC_DATA); + if (alt_section == NULL) + return FALSE; + new_symbol->symbol.section = alt_section; + } + } + if (!getvalue (&src, &val, src_end)) + return FALSE; + new_symbol->symbol.value = val - section->vma; + break; } + default: + return FALSE; } } } + + return TRUE; } /* Pass over a tekhex, calling one of the above functions on each record. */ -static void -pass_over (abfd, func) - bfd *abfd; - void (*func) PARAMS ((bfd *, int, char *)); +static bfd_boolean +pass_over (bfd *abfd, bfd_boolean (*func) (bfd *, int, char *, char *)) { unsigned int chars_on_line; - bfd_boolean eof = FALSE; + bfd_boolean is_eof = FALSE; - /* To the front of the file */ + /* To the front of the file. */ if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0) - abort (); - while (! eof) + return FALSE; + while (! is_eof) { - char buffer[MAXCHUNK]; - char *src = buffer; + char src[MAXCHUNK]; char type; - /* Find first '%' */ - eof = (bfd_boolean) (bfd_bread (src, (bfd_size_type) 1, abfd) != 1); - while (*src != '%' && !eof) - { - eof = (bfd_boolean) (bfd_bread (src, (bfd_size_type) 1, abfd) != 1); - } - if (eof) + /* Find first '%'. */ + is_eof = (bfd_boolean) (bfd_bread (src, (bfd_size_type) 1, abfd) != 1); + while (*src != '%' && !is_eof) + is_eof = (bfd_boolean) (bfd_bread (src, (bfd_size_type) 1, abfd) != 1); + + if (is_eof) break; - src++; - /* Fetch the type and the length and the checksum */ + /* Fetch the type and the length and the checksum. */ if (bfd_bread (src, (bfd_size_type) 5, abfd) != 5) - abort (); /* FIXME */ + return FALSE; type = src[2]; if (!ISHEX (src[0]) || !ISHEX (src[1])) break; - chars_on_line = HEX (src) - 5; /* Already read five char */ + /* Already read five chars. */ + chars_on_line = HEX (src) - 5; + + if (chars_on_line >= MAXCHUNK) + return FALSE; if (bfd_bread (src, (bfd_size_type) chars_on_line, abfd) != chars_on_line) - abort (); /* FIXME */ - src[chars_on_line] = 0; /* put a null at the end */ + return FALSE; - func (abfd, type, src); + /* Put a null at the end. */ + src[chars_on_line] = 0; + if (!func (abfd, type, src, src + chars_on_line)) + return FALSE; } + return TRUE; } static long -tekhex_canonicalize_symtab (abfd, table) - bfd *abfd; - asymbol **table; +tekhex_canonicalize_symtab (bfd *abfd, asymbol **table) { tekhex_symbol_type *p = abfd->tdata.tekhex_data->symbols; unsigned int c = bfd_get_symcount (abfd); @@ -540,16 +571,14 @@ tekhex_canonicalize_symtab (abfd, table) } static long -tekhex_get_symtab_upper_bound (abfd) - bfd *abfd; +tekhex_get_symtab_upper_bound (bfd *abfd) { return (abfd->symcount + 1) * (sizeof (struct tekhex_asymbol_struct *)); } static bfd_boolean -tekhex_mkobject (abfd) - bfd *abfd; +tekhex_mkobject (bfd *abfd) { tdata_type *tdata; @@ -558,19 +587,17 @@ tekhex_mkobject (abfd) return FALSE; 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; + tdata->head = NULL; + tdata->symbols = NULL; + tdata->data = 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 */ +/* Return TRUE if the file looks like it's in TekHex format. Just look + for a percent sign and some hex digits. */ static const bfd_target * -tekhex_object_p (abfd) - bfd *abfd; +tekhex_object_p (bfd *abfd) { char b[4]; @@ -581,27 +608,28 @@ tekhex_object_p (abfd) return NULL; if (b[0] != '%' || !ISHEX (b[1]) || !ISHEX (b[2]) || !ISHEX (b[3])) - return (const bfd_target *) NULL; + return NULL; tekhex_mkobject (abfd); - pass_over (abfd, first_phase); + if (!pass_over (abfd, first_phase)) + return NULL; + return abfd->xvec; } static void -move_section_contents (abfd, section, locationp, offset, count, get) - bfd *abfd; - asection *section; - const PTR locationp; - file_ptr offset; - bfd_size_type count; - bfd_boolean get; +move_section_contents (bfd *abfd, + asection *section, + const void * locationp, + file_ptr offset, + bfd_size_type count, + bfd_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; + bfd_vma prev_number = 1; /* Nothing can have this as a high bit. */ + struct data_struct *d = NULL; BFD_ASSERT (offset == 0); for (addr = section->vma; count != 0; count--, addr++) @@ -609,107 +637,79 @@ move_section_contents (abfd, section, locationp, offset, count, get) /* Get high bits of address. */ bfd_vma chunk_number = addr & ~(bfd_vma) CHUNK_MASK; bfd_vma low_bits = addr & CHUNK_MASK; + bfd_boolean must_write = !get && *location != 0; - if (chunk_number != prev_number) + if (chunk_number != prev_number || (!d && must_write)) { - /* Different chunk, so move pointer */ - d = find_chunk (abfd, chunk_number); + /* Different chunk, so move pointer. */ + d = find_chunk (abfd, chunk_number, must_write); + prev_number = chunk_number; } if (get) { - if (d->chunk_init[low_bits]) - { - *location = d->chunk_data[low_bits]; - } + if (d) + *location = d->chunk_data[low_bits]; else - { - *location = 0; - } + *location = 0; } - else + else if (must_write) { d->chunk_data[low_bits] = *location; - d->chunk_init[low_bits] = (*location != 0); + d->chunk_init[low_bits / CHUNK_SPAN] = 1; } location++; - } - } static bfd_boolean -tekhex_get_section_contents (abfd, section, locationp, offset, count) - bfd *abfd; - asection *section; - PTR locationp; - file_ptr offset; - bfd_size_type count; +tekhex_get_section_contents (bfd *abfd, + asection *section, + void * locationp, + file_ptr offset, + 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; + + return FALSE; } static bfd_boolean -tekhex_set_arch_mach (abfd, arch, machine) - bfd *abfd; - enum bfd_architecture arch; - unsigned long machine; +tekhex_set_arch_mach (bfd *abfd, + enum bfd_architecture arch, + unsigned long machine) { - return bfd_default_set_arch_mach (abfd, arch, machine); + /* Ignore errors about unknown architecture. */ + return (bfd_default_set_arch_mach (abfd, arch, machine) + || arch == bfd_arch_unknown); } -/* we have to save up all the Tekhexords for a splurge before output, - */ +/* We have to save up all the Tekhexords for a splurge before output. */ static bfd_boolean -tekhex_set_section_contents (abfd, section, locationp, offset, bytes_to_do) - bfd *abfd; - sec_ptr section; - const PTR locationp; - file_ptr offset; - bfd_size_type bytes_to_do; +tekhex_set_section_contents (bfd *abfd, + sec_ptr section, + const void * locationp, + file_ptr offset, + bfd_size_type bytes_to_do) { - - if (! abfd->output_has_begun) - { - /* 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 & ~(bfd_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; + return FALSE; } static void -writevalue (dst, value) - char **dst; - bfd_vma value; +writevalue (char **dst, bfd_vma value) { char *p = *dst; int len; @@ -737,9 +737,7 @@ writevalue (dst, value) } static void -writesym (dst, sym) - char **dst; - const char *sym; +writesym (char **dst, const char *sym) { char *p = *dst; int len = (sym ? strlen (sym) : 0); @@ -749,7 +747,6 @@ writesym (dst, sym) *p++ = '0'; len = 16; } - else { if (len == 0) @@ -759,24 +756,17 @@ writesym (dst, sym) len = 1; } else - { - *p++ = digs[len]; - } + *p++ = digs[len]; } while (len--) - { - *p++ = *sym++; - } + *p++ = *sym++; + *dst = p; } static void -out (abfd, type, start, end) - bfd *abfd; - int type; - char *start; - char *end; +out (bfd *abfd, int type, char *start, char *end) { int sum = 0; char *s; @@ -788,13 +778,11 @@ out (abfd, type, start, end) front[3] = type; for (s = start; s < end; s++) - { - sum += sum_block[(unsigned char) *s]; - } + sum += sum_block[(unsigned char) *s]; - sum += sum_block[(unsigned char) front[1]]; /* length */ + sum += sum_block[(unsigned char) front[1]]; /* Length. */ sum += sum_block[(unsigned char) front[2]]; - sum += sum_block[(unsigned char) front[3]]; /* type */ + sum += sum_block[(unsigned char) front[3]]; /* Type. */ TOHEX (front + 4, sum); if (bfd_bwrite (front, (bfd_size_type) 6, abfd) != 6) abort (); @@ -805,10 +793,8 @@ out (abfd, type, start, end) } static bfd_boolean -tekhex_write_object_contents (abfd) - bfd *abfd; +tekhex_write_object_contents (bfd *abfd) { - int bytes_written; char buffer[100]; asymbol **p; asection *s; @@ -816,36 +802,23 @@ tekhex_write_object_contents (abfd) tekhex_init (); - bytes_written = 0; - - /* And the raw data */ + /* And the raw data. */ for (d = abfd->tdata.tekhex_data->data; - d != (struct data_struct *) NULL; + d != 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) + /* Write it in blocks of 32 bytes. */ + for (addr = 0; addr < CHUNK_MASK + 1; addr += CHUNK_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) + if (d->chunk_init[addr / CHUNK_SPAN]) { char *dst = buffer; writevalue (&dst, addr + d->vma); - for (low = 0; low < span; low++) + for (low = 0; low < CHUNK_SPAN; low++) { TOHEX (dst, d->chunk_data[addr + low]); dst += 2; @@ -854,19 +827,20 @@ tekhex_write_object_contents (abfd) } } } - /* write all the section headers for the sections */ - for (s = abfd->sections; s != (asection *) NULL; s = s->next) + + /* Write all the section headers for the sections. */ + for (s = abfd->sections; s != NULL; s = s->next) { char *dst = buffer; writesym (&dst, s->name); *dst++ = '1'; writevalue (&dst, s->vma); - writevalue (&dst, s->vma + s->_raw_size); + writevalue (&dst, s->vma + s->size); out (abfd, '3', buffer, dst); } - /* And the symbols */ + /* And the symbols. */ if (abfd->outsymbols) { for (p = abfd->outsymbols; *p; p++) @@ -874,7 +848,8 @@ tekhex_write_object_contents (abfd) int section_code = bfd_decode_symclass (*p); if (section_code != '?') - { /* do not include debug symbols */ + { + /* Do not include debug symbols. */ asymbol *sym = *p; char *dst = buffer; @@ -917,50 +892,46 @@ tekhex_write_object_contents (abfd) } } - /* And the terminator */ + /* And the terminator. */ if (bfd_bwrite ("%0781010\n", (bfd_size_type) 9, abfd) != 9) abort (); return TRUE; } static int -tekhex_sizeof_headers (abfd, exec) - bfd *abfd ATTRIBUTE_UNUSED; - bfd_boolean exec ATTRIBUTE_UNUSED; - +tekhex_sizeof_headers (bfd *abfd ATTRIBUTE_UNUSED, + struct bfd_link_info *info ATTRIBUTE_UNUSED) { return 0; } static asymbol * -tekhex_make_empty_symbol (abfd) - bfd *abfd; +tekhex_make_empty_symbol (bfd *abfd) { bfd_size_type amt = sizeof (struct tekhex_symbol_struct); - tekhex_symbol_type *new = (tekhex_symbol_type *) bfd_zalloc (abfd, amt); + tekhex_symbol_type *new_symbol = (tekhex_symbol_type *) bfd_zalloc (abfd, + amt); - if (!new) + if (!new_symbol) return NULL; - new->symbol.the_bfd = abfd; - new->prev = (struct tekhex_symbol_struct *) NULL; - return &(new->symbol); + new_symbol->symbol.the_bfd = abfd; + new_symbol->prev = NULL; + return &(new_symbol->symbol); } static void -tekhex_get_symbol_info (ignore_abfd, symbol, ret) - bfd *ignore_abfd ATTRIBUTE_UNUSED; - asymbol *symbol; - symbol_info *ret; +tekhex_get_symbol_info (bfd *abfd ATTRIBUTE_UNUSED, + asymbol *symbol, + symbol_info *ret) { bfd_symbol_info (symbol, ret); } static void -tekhex_print_symbol (abfd, filep, symbol, how) - bfd *abfd; - PTR filep; - asymbol *symbol; - bfd_print_symbol_type how; +tekhex_print_symbol (bfd *abfd, + void * filep, + asymbol *symbol, + bfd_print_symbol_type how) { FILE *file = (FILE *) filep; @@ -976,66 +947,70 @@ tekhex_print_symbol (abfd, filep, symbol, how) { const char *section_name = symbol->section->name; - bfd_print_symbol_vandf (abfd, (PTR) file, symbol); + bfd_print_symbol_vandf (abfd, (void *) file, symbol); fprintf (file, " %-5s %s", - section_name, - symbol->name); + section_name, symbol->name); } } } -#define tekhex_close_and_cleanup _bfd_generic_close_and_cleanup -#define tekhex_bfd_free_cached_info _bfd_generic_bfd_free_cached_info -#define tekhex_new_section_hook _bfd_generic_new_section_hook - -#define tekhex_bfd_is_local_label_name bfd_generic_is_local_label_name -#define tekhex_get_lineno _bfd_nosymbols_get_lineno -#define tekhex_find_nearest_line _bfd_nosymbols_find_nearest_line -#define tekhex_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol -#define tekhex_read_minisymbols _bfd_generic_read_minisymbols -#define tekhex_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol - -#define tekhex_bfd_get_relocated_section_contents \ - bfd_generic_get_relocated_section_contents -#define tekhex_bfd_relax_section bfd_generic_relax_section -#define tekhex_bfd_gc_sections bfd_generic_gc_sections -#define tekhex_bfd_merge_sections bfd_generic_merge_sections -#define tekhex_bfd_discard_group bfd_generic_discard_group -#define tekhex_bfd_link_hash_table_create _bfd_generic_link_hash_table_create -#define tekhex_bfd_link_hash_table_free _bfd_generic_link_hash_table_free -#define tekhex_bfd_link_add_symbols _bfd_generic_link_add_symbols -#define tekhex_bfd_link_just_syms _bfd_generic_link_just_syms -#define tekhex_bfd_final_link _bfd_generic_final_link -#define tekhex_bfd_link_split_section _bfd_generic_link_split_section - -#define tekhex_get_section_contents_in_window \ - _bfd_generic_get_section_contents_in_window +#define tekhex_close_and_cleanup _bfd_generic_close_and_cleanup +#define tekhex_bfd_free_cached_info _bfd_generic_bfd_free_cached_info +#define tekhex_new_section_hook _bfd_generic_new_section_hook +#define tekhex_bfd_is_target_special_symbol ((bfd_boolean (*) (bfd *, asymbol *)) bfd_false) +#define tekhex_bfd_is_local_label_name bfd_generic_is_local_label_name +#define tekhex_get_lineno _bfd_nosymbols_get_lineno +#define tekhex_find_nearest_line _bfd_nosymbols_find_nearest_line +#define tekhex_find_line _bfd_nosymbols_find_line +#define tekhex_find_inliner_info _bfd_nosymbols_find_inliner_info +#define tekhex_get_symbol_version_string _bfd_nosymbols_get_symbol_version_string +#define tekhex_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol +#define tekhex_read_minisymbols _bfd_generic_read_minisymbols +#define tekhex_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol +#define tekhex_bfd_get_relocated_section_contents bfd_generic_get_relocated_section_contents +#define tekhex_bfd_relax_section bfd_generic_relax_section +#define tekhex_bfd_gc_sections bfd_generic_gc_sections +#define tekhex_bfd_lookup_section_flags bfd_generic_lookup_section_flags +#define tekhex_bfd_merge_sections bfd_generic_merge_sections +#define tekhex_bfd_is_group_section bfd_generic_is_group_section +#define tekhex_bfd_discard_group bfd_generic_discard_group +#define tekhex_section_already_linked _bfd_generic_section_already_linked +#define tekhex_bfd_define_common_symbol bfd_generic_define_common_symbol +#define tekhex_bfd_link_hash_table_create _bfd_generic_link_hash_table_create +#define tekhex_bfd_link_add_symbols _bfd_generic_link_add_symbols +#define tekhex_bfd_link_just_syms _bfd_generic_link_just_syms +#define tekhex_bfd_copy_link_hash_symbol_type _bfd_generic_copy_link_hash_symbol_type +#define tekhex_bfd_final_link _bfd_generic_final_link +#define tekhex_bfd_link_split_section _bfd_generic_link_split_section +#define tekhex_get_section_contents_in_window _bfd_generic_get_section_contents_in_window +#define tekhex_bfd_link_check_relocs _bfd_generic_link_check_relocs const bfd_target tekhex_vec = { - "tekhex", /* name */ + "tekhex", /* Name. */ bfd_target_tekhex_flavour, - BFD_ENDIAN_UNKNOWN, /* target byte order */ - BFD_ENDIAN_UNKNOWN, /* target headers byte order */ - (EXEC_P | /* object flags */ - HAS_SYMS | HAS_LINENO | HAS_DEBUG | HAS_RELOC | HAS_LOCALS | - WP_TEXT | D_PAGED), + BFD_ENDIAN_UNKNOWN, /* Target byte order. */ + BFD_ENDIAN_UNKNOWN, /* Target headers byte order. */ + (EXEC_P | /* Object flags. */ + HAS_SYMS | HAS_LINENO | HAS_DEBUG | + HAS_RELOC | HAS_LOCALS | 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 */ + | SEC_ALLOC | SEC_LOAD | SEC_RELOC), /* Section flags. */ + 0, /* Leading underscore. */ + ' ', /* AR_pad_char. */ + 16, /* AR_max_namelen. */ + 0, /* match priority. */ bfd_getb64, bfd_getb_signed_64, bfd_putb64, bfd_getb32, bfd_getb_signed_32, bfd_putb32, - bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* data */ + bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Data. */ bfd_getb64, bfd_getb_signed_64, bfd_putb64, bfd_getb32, bfd_getb_signed_32, bfd_putb32, - bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* hdrs */ + bfd_getb16, bfd_getb_signed_16, bfd_putb16, /* Headers. */ { _bfd_dummy_target, - tekhex_object_p, /* bfd_check_format */ + tekhex_object_p, /* bfd_check_format. */ _bfd_dummy_target, _bfd_dummy_target, }, @@ -1045,7 +1020,7 @@ const bfd_target tekhex_vec = _bfd_generic_mkarchive, bfd_false, }, - { /* bfd_write_contents */ + { /* bfd_write_contents. */ bfd_false, tekhex_write_object_contents, _bfd_write_archive_contents, @@ -1064,5 +1039,5 @@ const bfd_target tekhex_vec = NULL, - (PTR) 0 + NULL };