X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=ld%2Fdeffilep.y;h=51cb1d7fcde6d38160a9b8698b4324153fa50869;hb=refs%2Fheads%2Fconcurrent-displaced-stepping-2020-04-01;hp=80efb789f02afbaa9a72658ffd8c8d48f30a8d59;hpb=3db64b009284dda3a1ce10a91beb1297475e60a7;p=deliverable%2Fbinutils-gdb.git diff --git a/ld/deffilep.y b/ld/deffilep.y index 80efb789f0..51cb1d7fcd 100644 --- a/ld/deffilep.y +++ b/ld/deffilep.y @@ -1,13 +1,12 @@ %{ /* deffilep.y - parser for .def files */ -/* Copyright 1995, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2005, 2007 - Free Software Foundation, Inc. +/* Copyright (C) 1995-2020 Free Software Foundation, Inc. This file is part of GNU Binutils. 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 + 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, @@ -17,12 +16,14 @@ 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. */ + Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, + MA 02110-1301, USA. */ #include "sysdep.h" #include "libiberty.h" #include "safe-ctype.h" #include "bfd.h" +#include "bfdlink.h" #include "ld.h" #include "ldmisc.h" #include "deffile.h" @@ -45,13 +46,13 @@ #define yylval def_lval #define yychar def_char #define yydebug def_debug -#define yypact def_pact -#define yyr1 def_r1 -#define yyr2 def_r2 -#define yydef def_def -#define yychk def_chk -#define yypgo def_pgo -#define yyact def_act +#define yypact def_pact +#define yyr1 def_r1 +#define yyr2 def_r2 +#define yydef def_def +#define yychk def_chk +#define yypgo def_pgo +#define yyact def_act #define yyexca def_exca #define yyerrflag def_errflag #define yynerrs def_nerrs @@ -77,17 +78,29 @@ #define yytable def_yytable #define yycheck def_yycheck +typedef struct def_pool_str { + struct def_pool_str *next; + char data[1]; +} def_pool_str; + +static def_pool_str *pool_strs = NULL; + +static char *def_pool_alloc (size_t sz); +static char *def_pool_strdup (const char *str); +static void def_pool_free (void); + static void def_description (const char *); -static void def_exports (const char *, const char *, int, int); +static void def_exports (const char *, const char *, int, int, const char *); static void def_heapsize (int, int); static void def_import (const char *, const char *, const char *, const char *, - int); -static void def_image_name (const char *, int, int); + int, const char *); +static void def_image_name (const char *, bfd_vma, int); static void def_section (const char *, int); static void def_section_alt (const char *, const char *); static void def_stacksize (int, int); static void def_version (int, int); static void def_directive (char *); +static void def_aligncomm (char *str, int align); static int def_parse (void); static int def_error (const char *); static int def_lex (void); @@ -100,18 +113,26 @@ static const char *lex_parse_string_end = 0; %union { char *id; + const char *id_const; int number; + bfd_vma vma; + char *digits; }; -%token NAME LIBRARY DESCRIPTION STACKSIZE HEAPSIZE CODE DATAU DATAL +%token NAME LIBRARY DESCRIPTION STACKSIZE_K HEAPSIZE CODE DATAU DATAL %token SECTIONS EXPORTS IMPORTS VERSIONK BASE CONSTANTU CONSTANTL -%token PRIVATEU PRIVATEL -%token READ WRITE EXECUTE SHARED NONAMEU NONAMEL DIRECTIVE +%token PRIVATEU PRIVATEL ALIGNCOMM +%token READ WRITE EXECUTE SHARED NONAMEU NONAMEL DIRECTIVE EQUAL %token ID -%token NUMBER -%type opt_base opt_ordinal +%token DIGITS +%type NUMBER +%type VMA opt_base +%type opt_digits +%type opt_ordinal %type attr attr_list opt_number exp_opt_list exp_opt -%type opt_name opt_equal_name dot_name +%type opt_name opt_name2 opt_equal_name anylang_id opt_id +%type opt_equalequal_name +%type keyword_as_name %% @@ -119,20 +140,21 @@ start: start command | command ; -command: +command: NAME opt_name opt_base { def_image_name ($2, $3, 0); } | LIBRARY opt_name opt_base { def_image_name ($2, $3, 1); } | DESCRIPTION ID { def_description ($2);} - | STACKSIZE NUMBER opt_number { def_stacksize ($2, $3);} + | STACKSIZE_K NUMBER opt_number { def_stacksize ($2, $3);} | HEAPSIZE NUMBER opt_number { def_heapsize ($2, $3);} | CODE attr_list { def_section ("CODE", $2);} | DATAU attr_list { def_section ("DATA", $2);} | SECTIONS seclist - | EXPORTS explist + | EXPORTS explist | IMPORTS implist | VERSIONK NUMBER { def_version ($2, 0);} | VERSIONK NUMBER '.' NUMBER { def_version ($2, $4);} | DIRECTIVE ID { def_directive ($2);} + | ALIGNCOMM anylang_id ',' NUMBER { def_aligncomm ($2, $4);} ; @@ -146,8 +168,8 @@ expline: /* The opt_comma is necessary to support both the usual DEF file syntax as well as .drectve syntax which mandates ,. */ - dot_name opt_equal_name opt_ordinal opt_comma exp_opt_list - { def_exports ($1, $2, $3, $5); } + opt_name2 opt_equal_name opt_ordinal opt_comma exp_opt_list opt_comma opt_equalequal_name + { def_exports ($1, $2, $3, $5, $7); } ; exp_opt_list: /* The opt_comma is necessary to support both the usual @@ -166,18 +188,24 @@ exp_opt: | PRIVATEU { $$ = 8; } | PRIVATEL { $$ = 8; } ; -implist: +implist: implist impline | impline ; impline: - ID '=' ID '.' ID '.' ID { def_import ($1, $3, $5, $7, -1); } - | ID '=' ID '.' ID '.' NUMBER { def_import ($1, $3, $5, 0, $7); } - | ID '=' ID '.' ID { def_import ($1, $3, 0, $5, -1); } - | ID '=' ID '.' NUMBER { def_import ($1, $3, 0, 0, $5); } - | ID '.' ID '.' ID { def_import ( 0, $1, $3, $5, -1); } - | ID '.' ID { def_import ( 0, $1, 0, $3, -1); } + ID '=' ID '.' ID '.' ID opt_equalequal_name + { def_import ($1, $3, $5, $7, -1, $8); } + | ID '=' ID '.' ID '.' NUMBER opt_equalequal_name + { def_import ($1, $3, $5, 0, $7, $8); } + | ID '=' ID '.' ID opt_equalequal_name + { def_import ($1, $3, 0, $5, -1, $6); } + | ID '=' ID '.' NUMBER opt_equalequal_name + { def_import ($1, $3, 0, 0, $5, $6); } + | ID '.' ID '.' ID opt_equalequal_name + { def_import( 0, $1, $3, $5, -1, $6); } + | ID '.' ID opt_equalequal_name + { def_import ( 0, $1, 0, $3, -1, $4); } ; seclist: @@ -197,52 +225,125 @@ attr_list: opt_comma: ',' - | + | ; opt_number: ',' NUMBER { $$=$2;} | { $$=-1;} ; - + attr: READ { $$ = 1;} - | WRITE { $$ = 2;} + | WRITE { $$ = 2;} | EXECUTE { $$=4;} | SHARED { $$=8;} ; -opt_name: ID { $$ = $1; } - | ID '.' ID - { - char *name = xmalloc (strlen ($1) + 1 + strlen ($3) + 1); + +keyword_as_name: BASE { $$ = "BASE"; } + | CODE { $$ = "CODE"; } + | CONSTANTU { $$ = "CONSTANT"; } + | CONSTANTL { $$ = "constant"; } + | DATAU { $$ = "DATA"; } + | DATAL { $$ = "data"; } + | DESCRIPTION { $$ = "DESCRIPTION"; } + | DIRECTIVE { $$ = "DIRECTIVE"; } + | EXECUTE { $$ = "EXECUTE"; } + | EXPORTS { $$ = "EXPORTS"; } + | HEAPSIZE { $$ = "HEAPSIZE"; } + | IMPORTS { $$ = "IMPORTS"; } +/* Disable LIBRARY keyword as valid symbol-name. This is necessary + for libtool, which places this command after EXPORTS command. + This behavior is illegal by specification, but sadly required by + by compatibility reasons. + See PR binutils/13710 + | LIBRARY { $$ = "LIBRARY"; } */ + | NAME { $$ = "NAME"; } + | NONAMEU { $$ = "NONAME"; } + | NONAMEL { $$ = "noname"; } + | PRIVATEU { $$ = "PRIVATE"; } + | PRIVATEL { $$ = "private"; } + | READ { $$ = "READ"; } + | SHARED { $$ = "SHARED"; } + | STACKSIZE_K { $$ = "STACKSIZE"; } + | VERSIONK { $$ = "VERSION"; } + | WRITE { $$ = "WRITE"; } + ; + +opt_name2: ID { $$ = $1; } + | '.' keyword_as_name + { + char *name = xmalloc (strlen ($2) + 2); + sprintf (name, ".%s", $2); + $$ = name; + } + | '.' opt_name2 + { + char *name = def_pool_alloc (strlen ($2) + 2); + sprintf (name, ".%s", $2); + $$ = name; + } + | keyword_as_name '.' opt_name2 + { + char *name = def_pool_alloc (strlen ($1) + 1 + strlen ($3) + 1); + sprintf (name, "%s.%s", $1, $3); + $$ = name; + } + | ID '.' opt_name2 + { + char *name = def_pool_alloc (strlen ($1) + 1 + strlen ($3) + 1); sprintf (name, "%s.%s", $1, $3); $$ = name; } + ; + +opt_name: opt_name2 { $$ = $1; } | { $$ = ""; } ; -opt_ordinal: +opt_equalequal_name: EQUAL ID { $$ = $2; } + | { $$ = 0; } + ; + +opt_ordinal: '@' NUMBER { $$ = $2;} | { $$ = -1;} ; opt_equal_name: - '=' dot_name { $$ = $2; } - | { $$ = 0; } + '=' opt_name2 { $$ = $2; } + | { $$ = 0; } ; -opt_base: BASE '=' NUMBER { $$ = $3;} - | { $$ = -1;} +opt_base: BASE '=' VMA { $$ = $3;} + | { $$ = (bfd_vma) -1;} ; -dot_name: ID { $$ = $1; } - | dot_name '.' ID - { - char *name = xmalloc (strlen ($1) + 1 + strlen ($3) + 1); - sprintf (name, "%s.%s", $1, $3); - $$ = name; +anylang_id: ID { $$ = $1; } + | '.' ID + { + char *id = def_pool_alloc (strlen ($2) + 2); + sprintf (id, ".%s", $2); + $$ = id; } + | anylang_id '.' opt_digits opt_id + { + char *id = def_pool_alloc (strlen ($1) + 1 + strlen ($3) + strlen ($4) + 1); + sprintf (id, "%s.%s%s", $1, $3, $4); + $$ = id; + } + ; + +opt_digits: DIGITS { $$ = $1; } + | { $$ = ""; } + ; + +opt_id: ID { $$ = $1; } + | { $$ = ""; } + ; + +NUMBER: DIGITS { $$ = strtoul ($1, 0, 0); } ; - +VMA: DIGITS { $$ = (bfd_vma) strtoull ($1, 0, 0); } %% @@ -305,205 +406,316 @@ def_file_parse (const char *filename, def_file *add_to) { def_file_free (def); fclose (the_file); + def_pool_free (); return 0; } fclose (the_file); - for (d = directives; d; d = d->next) + while ((d = directives) != NULL) { #if TRACE printf ("Adding directive %08x `%s'\n", d->name, d->name); #endif def_file_add_directive (def, d->name, d->len); + directives = d->next; + free (d->name); + free (d); } + def_pool_free (); return def; } void -def_file_free (def_file *def) +def_file_free (def_file *fdef) { int i; - if (!def) + if (!fdef) return; - if (def->name) - free (def->name); - if (def->description) - free (def->description); + free (fdef->name); + free (fdef->description); - if (def->section_defs) + if (fdef->section_defs) { - for (i = 0; i < def->num_section_defs; i++) + for (i = 0; i < fdef->num_section_defs; i++) { - if (def->section_defs[i].name) - free (def->section_defs[i].name); - if (def->section_defs[i].class) - free (def->section_defs[i].class); + free (fdef->section_defs[i].name); + free (fdef->section_defs[i].class); } - free (def->section_defs); + free (fdef->section_defs); } - if (def->exports) + if (fdef->exports) { - for (i = 0; i < def->num_exports; i++) + for (i = 0; i < fdef->num_exports; i++) { - if (def->exports[i].internal_name - && def->exports[i].internal_name != def->exports[i].name) - free (def->exports[i].internal_name); - if (def->exports[i].name) - free (def->exports[i].name); + if (fdef->exports[i].internal_name != fdef->exports[i].name) + free (fdef->exports[i].internal_name); + free (fdef->exports[i].name); + free (fdef->exports[i].its_name); } - free (def->exports); + free (fdef->exports); } - if (def->imports) + if (fdef->imports) { - for (i = 0; i < def->num_imports; i++) + for (i = 0; i < fdef->num_imports; i++) { - if (def->imports[i].internal_name - && def->imports[i].internal_name != def->imports[i].name) - free (def->imports[i].internal_name); - if (def->imports[i].name) - free (def->imports[i].name); + if (fdef->imports[i].internal_name != fdef->imports[i].name) + free (fdef->imports[i].internal_name); + free (fdef->imports[i].name); + free (fdef->imports[i].its_name); } - free (def->imports); + free (fdef->imports); } - while (def->modules) + while (fdef->modules) { - def_file_module *m = def->modules; - def->modules = def->modules->next; + def_file_module *m = fdef->modules; + + fdef->modules = fdef->modules->next; free (m); } - free (def); + while (fdef->aligncomms) + { + def_file_aligncomm *c = fdef->aligncomms; + + fdef->aligncomms = fdef->aligncomms->next; + free (c->symbol_name); + free (c); + } + + free (fdef); } #ifdef DEF_FILE_PRINT void -def_file_print (FILE *file, def_file *def) +def_file_print (FILE *file, def_file *fdef) { int i; - fprintf (file, ">>>> def_file at 0x%08x\n", def); - if (def->name) - fprintf (file, " name: %s\n", def->name ? def->name : "(unspecified)"); - if (def->is_dll != -1) - fprintf (file, " is dll: %s\n", def->is_dll ? "yes" : "no"); - if (def->base_address != (bfd_vma) -1) - fprintf (file, " base address: 0x%08x\n", def->base_address); - if (def->description) - fprintf (file, " description: `%s'\n", def->description); - if (def->stack_reserve != -1) - fprintf (file, " stack reserve: 0x%08x\n", def->stack_reserve); - if (def->stack_commit != -1) - fprintf (file, " stack commit: 0x%08x\n", def->stack_commit); - if (def->heap_reserve != -1) - fprintf (file, " heap reserve: 0x%08x\n", def->heap_reserve); - if (def->heap_commit != -1) - fprintf (file, " heap commit: 0x%08x\n", def->heap_commit); - - if (def->num_section_defs > 0) + fprintf (file, ">>>> def_file at 0x%08x\n", fdef); + if (fdef->name) + fprintf (file, " name: %s\n", fdef->name ? fdef->name : "(unspecified)"); + if (fdef->is_dll != -1) + fprintf (file, " is dll: %s\n", fdef->is_dll ? "yes" : "no"); + if (fdef->base_address != (bfd_vma) -1) + { + fprintf (file, " base address: 0x"); + fprintf_vma (file, fdef->base_address); + fprintf (file, "\n"); + } + if (fdef->description) + fprintf (file, " description: `%s'\n", fdef->description); + if (fdef->stack_reserve != -1) + fprintf (file, " stack reserve: 0x%08x\n", fdef->stack_reserve); + if (fdef->stack_commit != -1) + fprintf (file, " stack commit: 0x%08x\n", fdef->stack_commit); + if (fdef->heap_reserve != -1) + fprintf (file, " heap reserve: 0x%08x\n", fdef->heap_reserve); + if (fdef->heap_commit != -1) + fprintf (file, " heap commit: 0x%08x\n", fdef->heap_commit); + + if (fdef->num_section_defs > 0) { fprintf (file, " section defs:\n"); - for (i = 0; i < def->num_section_defs; i++) + for (i = 0; i < fdef->num_section_defs; i++) { fprintf (file, " name: `%s', class: `%s', flags:", - def->section_defs[i].name, def->section_defs[i].class); - if (def->section_defs[i].flag_read) + fdef->section_defs[i].name, fdef->section_defs[i].class); + if (fdef->section_defs[i].flag_read) fprintf (file, " R"); - if (def->section_defs[i].flag_write) + if (fdef->section_defs[i].flag_write) fprintf (file, " W"); - if (def->section_defs[i].flag_execute) + if (fdef->section_defs[i].flag_execute) fprintf (file, " X"); - if (def->section_defs[i].flag_shared) + if (fdef->section_defs[i].flag_shared) fprintf (file, " S"); fprintf (file, "\n"); } } - if (def->num_exports > 0) + if (fdef->num_exports > 0) { fprintf (file, " exports:\n"); - for (i = 0; i < def->num_exports; i++) + for (i = 0; i < fdef->num_exports; i++) { fprintf (file, " name: `%s', int: `%s', ordinal: %d, flags:", - def->exports[i].name, def->exports[i].internal_name, - def->exports[i].ordinal); - if (def->exports[i].flag_private) + fdef->exports[i].name, fdef->exports[i].internal_name, + fdef->exports[i].ordinal); + if (fdef->exports[i].flag_private) fprintf (file, " P"); - if (def->exports[i].flag_constant) + if (fdef->exports[i].flag_constant) fprintf (file, " C"); - if (def->exports[i].flag_noname) + if (fdef->exports[i].flag_noname) fprintf (file, " N"); - if (def->exports[i].flag_data) + if (fdef->exports[i].flag_data) fprintf (file, " D"); fprintf (file, "\n"); } } - if (def->num_imports > 0) + if (fdef->num_imports > 0) { fprintf (file, " imports:\n"); - for (i = 0; i < def->num_imports; i++) + for (i = 0; i < fdef->num_imports; i++) { fprintf (file, " int: %s, from: `%s', name: `%s', ordinal: %d\n", - def->imports[i].internal_name, - def->imports[i].module, - def->imports[i].name, - def->imports[i].ordinal); + fdef->imports[i].internal_name, + fdef->imports[i].module, + fdef->imports[i].name, + fdef->imports[i].ordinal); } } - if (def->version_major != -1) - fprintf (file, " version: %d.%d\n", def->version_major, def->version_minor); + if (fdef->version_major != -1) + fprintf (file, " version: %d.%d\n", fdef->version_major, fdef->version_minor); - fprintf (file, "<<<< def_file at 0x%08x\n", def); + fprintf (file, "<<<< def_file at 0x%08x\n", fdef); } #endif +/* Helper routine to check for identity of string pointers, + which might be NULL. */ + +static int +are_names_equal (const char *s1, const char *s2) +{ + if (!s1 && !s2) + return 0; + if (!s1 || !s2) + return (!s1 ? -1 : 1); + return strcmp (s1, s2); +} + +static int +cmp_export_elem (const def_file_export *e, const char *ex_name, + const char *in_name, const char *its_name, + int ord) +{ + int r; + + if ((r = are_names_equal (ex_name, e->name)) != 0) + return r; + if ((r = are_names_equal (in_name, e->internal_name)) != 0) + return r; + if ((r = are_names_equal (its_name, e->its_name)) != 0) + return r; + return (ord - e->ordinal); +} + +/* Search the position of the identical element, or returns the position + of the next higher element. If last valid element is smaller, then MAX + is returned. */ + +static int +find_export_in_list (def_file_export *b, int max, + const char *ex_name, const char *in_name, + const char *its_name, int ord, int *is_ident) +{ + int e, l, r, p; + + *is_ident = 0; + if (!max) + return 0; + if ((e = cmp_export_elem (b, ex_name, in_name, its_name, ord)) <= 0) + { + if (!e) + *is_ident = 1; + return 0; + } + if (max == 1) + return 1; + if ((e = cmp_export_elem (b + (max - 1), ex_name, in_name, its_name, ord)) > 0) + return max; + else if (!e || max == 2) + { + if (!e) + *is_ident = 1; + return max - 1; + } + l = 0; r = max - 1; + while (l < r) + { + p = (l + r) / 2; + e = cmp_export_elem (b + p, ex_name, in_name, its_name, ord); + if (!e) + { + *is_ident = 1; + return p; + } + else if (e < 0) + r = p - 1; + else if (e > 0) + l = p + 1; + } + if ((e = cmp_export_elem (b + l, ex_name, in_name, its_name, ord)) > 0) + ++l; + else if (!e) + *is_ident = 1; + return l; +} + def_file_export * -def_file_add_export (def_file *def, +def_file_add_export (def_file *fdef, const char *external_name, const char *internal_name, - int ordinal) + int ordinal, + const char *its_name, + int *is_dup) { def_file_export *e; - int max_exports = ROUND_UP(def->num_exports, 32); + int pos; + int max_exports = ROUND_UP(fdef->num_exports, 32); - if (def->num_exports >= max_exports) + if (internal_name && !external_name) + external_name = internal_name; + if (external_name && !internal_name) + internal_name = external_name; + + /* We need to avoid duplicates. */ + *is_dup = 0; + pos = find_export_in_list (fdef->exports, fdef->num_exports, + external_name, internal_name, + its_name, ordinal, is_dup); + + if (*is_dup != 0) + return (fdef->exports + pos); + + if (fdef->num_exports >= max_exports) { - max_exports = ROUND_UP(def->num_exports + 1, 32); - if (def->exports) - def->exports = xrealloc (def->exports, + max_exports = ROUND_UP(fdef->num_exports + 1, 32); + if (fdef->exports) + fdef->exports = xrealloc (fdef->exports, max_exports * sizeof (def_file_export)); else - def->exports = xmalloc (max_exports * sizeof (def_file_export)); + fdef->exports = xmalloc (max_exports * sizeof (def_file_export)); } - e = def->exports + def->num_exports; + + e = fdef->exports + pos; + if (pos != fdef->num_exports) + memmove (&e[1], e, (sizeof (def_file_export) * (fdef->num_exports - pos))); memset (e, 0, sizeof (def_file_export)); - if (internal_name && !external_name) - external_name = internal_name; - if (external_name && !internal_name) - internal_name = external_name; e->name = xstrdup (external_name); e->internal_name = xstrdup (internal_name); + e->its_name = (its_name ? xstrdup (its_name) : NULL); e->ordinal = ordinal; - def->num_exports++; + fdef->num_exports++; return e; } def_file_module * -def_get_module (def_file *def, const char *name) +def_get_module (def_file *fdef, const char *name) { def_file_module *s; - for (s = def->modules; s; s = s->next) + for (s = fdef->modules; s; s = s->next) if (strcmp (s->name, name) == 0) return s; @@ -511,52 +723,213 @@ def_get_module (def_file *def, const char *name) } static def_file_module * -def_stash_module (def_file *def, const char *name) +def_stash_module (def_file *fdef, const char *name) { def_file_module *s; - if ((s = def_get_module (def, name)) != NULL) + if ((s = def_get_module (fdef, name)) != NULL) return s; s = xmalloc (sizeof (def_file_module) + strlen (name)); - s->next = def->modules; - def->modules = s; + s->next = fdef->modules; + fdef->modules = s; s->user_data = 0; strcpy (s->name, name); return s; } -def_file_import * -def_file_add_import (def_file *def, - const char *name, - const char *module, - int ordinal, - const char *internal_name) +static int +cmp_import_elem (const def_file_import *e, const char *ex_name, + const char *in_name, const char *module, + int ord) { - def_file_import *i; - int max_imports = ROUND_UP (def->num_imports, 16); + int r; + + if ((r = are_names_equal (module, (e->module ? e->module->name : NULL)))) + return r; + if ((r = are_names_equal (ex_name, e->name)) != 0) + return r; + if ((r = are_names_equal (in_name, e->internal_name)) != 0) + return r; + if (ord != e->ordinal) + return (ord < e->ordinal ? -1 : 1); + return 0; +} - if (def->num_imports >= max_imports) - { - max_imports = ROUND_UP (def->num_imports+1, 16); +/* Search the position of the identical element, or returns the position + of the next higher element. If last valid element is smaller, then MAX + is returned. */ - if (def->imports) - def->imports = xrealloc (def->imports, - max_imports * sizeof (def_file_import)); - else - def->imports = xmalloc (max_imports * sizeof (def_file_import)); +static int +find_import_in_list (def_file_import *b, int max, + const char *ex_name, const char *in_name, + const char *module, int ord, int *is_ident) +{ + int e, l, r, p; + + *is_ident = 0; + if (!max) + return 0; + if ((e = cmp_import_elem (b, ex_name, in_name, module, ord)) <= 0) + { + if (!e) + *is_ident = 1; + return 0; + } + if (max == 1) + return 1; + if ((e = cmp_import_elem (b + (max - 1), ex_name, in_name, module, ord)) > 0) + return max; + else if (!e || max == 2) + { + if (!e) + *is_ident = 1; + return max - 1; + } + l = 0; r = max - 1; + while (l < r) + { + p = (l + r) / 2; + e = cmp_import_elem (b + p, ex_name, in_name, module, ord); + if (!e) + { + *is_ident = 1; + return p; + } + else if (e < 0) + r = p - 1; + else if (e > 0) + l = p + 1; } - i = def->imports + def->num_imports; + if ((e = cmp_import_elem (b + l, ex_name, in_name, module, ord)) > 0) + ++l; + else if (!e) + *is_ident = 1; + return l; +} + +static void +fill_in_import (def_file_import *i, + const char *name, + def_file_module *module, + int ordinal, + const char *internal_name, + const char *its_name) +{ memset (i, 0, sizeof (def_file_import)); if (name) i->name = xstrdup (name); - if (module) - i->module = def_stash_module (def, module); + i->module = module; i->ordinal = ordinal; if (internal_name) i->internal_name = xstrdup (internal_name); else i->internal_name = i->name; - def->num_imports++; + i->its_name = (its_name ? xstrdup (its_name) : NULL); +} + +def_file_import * +def_file_add_import (def_file *fdef, + const char *name, + const char *module, + int ordinal, + const char *internal_name, + const char *its_name, + int *is_dup) +{ + def_file_import *i; + int pos; + int max_imports = ROUND_UP (fdef->num_imports, 16); + + /* We need to avoid here duplicates. */ + *is_dup = 0; + pos = find_import_in_list (fdef->imports, fdef->num_imports, + name, + (!internal_name ? name : internal_name), + module, ordinal, is_dup); + if (*is_dup != 0) + return fdef->imports + pos; + + if (fdef->num_imports >= max_imports) + { + max_imports = ROUND_UP (fdef->num_imports+1, 16); + + if (fdef->imports) + fdef->imports = xrealloc (fdef->imports, + max_imports * sizeof (def_file_import)); + else + fdef->imports = xmalloc (max_imports * sizeof (def_file_import)); + } + i = fdef->imports + pos; + if (pos != fdef->num_imports) + memmove (i + 1, i, sizeof (def_file_import) * (fdef->num_imports - pos)); + + fill_in_import (i, name, def_stash_module (fdef, module), ordinal, + internal_name, its_name); + fdef->num_imports++; + + return i; +} + +int +def_file_add_import_from (def_file *fdef, + int num_imports, + const char *name, + const char *module, + int ordinal, + const char *internal_name, + const char *its_name ATTRIBUTE_UNUSED) +{ + def_file_import *i; + int is_dup; + int pos; + int max_imports = ROUND_UP (fdef->num_imports, 16); + + /* We need to avoid here duplicates. */ + is_dup = 0; + pos = find_import_in_list (fdef->imports, fdef->num_imports, + name, internal_name ? internal_name : name, + module, ordinal, &is_dup); + if (is_dup != 0) + return -1; + if (fdef->imports && pos != fdef->num_imports) + { + i = fdef->imports + pos; + if (i->module && strcmp (i->module->name, module) == 0) + return -1; + } + + if (fdef->num_imports + num_imports - 1 >= max_imports) + { + max_imports = ROUND_UP (fdef->num_imports + num_imports, 16); + + if (fdef->imports) + fdef->imports = xrealloc (fdef->imports, + max_imports * sizeof (def_file_import)); + else + fdef->imports = xmalloc (max_imports * sizeof (def_file_import)); + } + i = fdef->imports + pos; + if (pos != fdef->num_imports) + memmove (i + num_imports, i, + sizeof (def_file_import) * (fdef->num_imports - pos)); + + return pos; +} + +def_file_import * +def_file_add_import_at (def_file *fdef, + int pos, + const char *name, + const char *module, + int ordinal, + const char *internal_name, + const char *its_name) +{ + def_file_import *i = fdef->imports + pos; + + fill_in_import (i, name, def_stash_module (fdef, module), ordinal, + internal_name, its_name); + fdef->num_imports++; return i; } @@ -569,9 +942,10 @@ struct diropts[] = { { "-heap", HEAPSIZE }, - { "-stack", STACKSIZE }, + { "-stack", STACKSIZE_K }, { "-attr", SECTIONS }, { "-export", EXPORTS }, + { "-aligncomm", ALIGNCOMM }, { 0, 0 } }; @@ -595,10 +969,10 @@ def_file_add_directive (def_file *my_def, const char *param, int len) break; /* Scan forward until we encounter any of: - - the end of the buffer + - the end of the buffer - the start of a new option - - a newline seperating options - - a NUL seperating options. */ + - a newline separating options + - a NUL separating options. */ for (tend = (char *) (param + 1); (tend < pend && !(ISSPACE (tend[-1]) && *tend == '-') @@ -608,7 +982,7 @@ def_file_add_directive (def_file *my_def, const char *param, int len) for (i = 0; diropts[i].param; i++) { - int len = strlen (diropts[i].param); + len = strlen (diropts[i].param); if (tend - param >= len && strncmp (param, diropts[i].param, len) == 0 @@ -626,13 +1000,20 @@ def_file_add_directive (def_file *my_def, const char *param, int len) if (!diropts[i].param) { - char saved; + if (tend < pend) + { + char saved; - saved = * tend; - * tend = 0; - /* xgettext:c-format */ - einfo (_("Warning: .drectve `%s' unrecognized\n"), param); - * tend = saved; + saved = * tend; + * tend = 0; + /* xgettext:c-format */ + einfo (_("Warning: .drectve `%s' unrecognized\n"), param); + * tend = saved; + } + else + { + einfo (_("Warning: corrupt .drectve at end of def file\n")); + } } lex_parse_string = 0; @@ -640,32 +1021,33 @@ def_file_add_directive (def_file *my_def, const char *param, int len) } def = save_def; + def_pool_free (); } /* Parser Callbacks. */ static void -def_image_name (const char *name, int base, int is_dll) +def_image_name (const char *name, bfd_vma base, int is_dll) { /* If a LIBRARY or NAME statement is specified without a name, there is nothing to do here. We retain the output filename specified on command line. */ if (*name) { const char* image_name = lbasename (name); + if (image_name != name) einfo ("%s:%d: Warning: path components stripped from %s, '%s'\n", def_filename, linenumber, is_dll ? "LIBRARY" : "NAME", name); - if (def->name) - free (def->name); - /* Append the default suffix, if none specified. */ + free (def->name); + /* Append the default suffix, if none specified. */ if (strchr (image_name, '.') == 0) { const char * suffix = is_dll ? ".dll" : ".exe"; def->name = xmalloc (strlen (image_name) + strlen (suffix) + 1); sprintf (def->name, "%s%s", image_name, suffix); - } + } else def->name = xstrdup (image_name); } @@ -772,9 +1154,11 @@ static void def_exports (const char *external_name, const char *internal_name, int ordinal, - int flags) + int flags, + const char *its_name) { def_file_export *dfe; + int is_dup = 0; if (!internal_name && external_name) internal_name = external_name; @@ -782,7 +1166,14 @@ def_exports (const char *external_name, printf ("def_exports, ext=%s int=%s\n", external_name, internal_name); #endif - dfe = def_file_add_export (def, external_name, internal_name, ordinal); + dfe = def_file_add_export (def, external_name, internal_name, ordinal, + its_name, &is_dup); + + /* We might check here for flag redefinition and warn. For now we + ignore duplicates silently. */ + if (is_dup) + return; + if (flags & 1) dfe->flag_noname = 1; if (flags & 2) @@ -798,18 +1189,20 @@ def_import (const char *internal_name, const char *module, const char *dllext, const char *name, - int ordinal) + int ordinal, + const char *its_name) { char *buf = 0; - const char *ext = dllext ? dllext : "dll"; - + const char *ext = dllext ? dllext : "dll"; + int is_dup = 0; + buf = xmalloc (strlen (module) + strlen (ext) + 2); sprintf (buf, "%s.%s", module, ext); module = buf; - def_file_add_import (def, name, module, ordinal, internal_name); - if (buf) - free (buf); + def_file_add_import (def, name, module, ordinal, internal_name, its_name, + &is_dup); + free (buf); } static void @@ -830,6 +1223,44 @@ def_directive (char *str) d->len = strlen (str); } +static void +def_aligncomm (char *str, int align) +{ + def_file_aligncomm *c, *p; + + p = NULL; + c = def->aligncomms; + while (c != NULL) + { + int e = strcmp (c->symbol_name, str); + if (!e) + { + /* Not sure if we want to allow here duplicates with + different alignments, but for now we keep them. */ + e = (int) c->alignment - align; + if (!e) + return; + } + if (e > 0) + break; + c = (p = c)->next; + } + + c = xmalloc (sizeof (def_file_aligncomm)); + c->symbol_name = xstrdup (str); + c->alignment = (unsigned int) align; + if (!p) + { + c->next = def->aligncomms; + def->aligncomms = c; + } + else + { + c->next = p->next; + p->next = c; + } +} + static int def_error (const char *err) { @@ -893,7 +1324,7 @@ tokens[] = { "SECTIONS", SECTIONS }, { "SEGMENTS", SECTIONS }, { "SHARED", SHARED }, - { "STACKSIZE", STACKSIZE }, + { "STACKSIZE", STACKSIZE_K }, { "VERSION", VERSIONK }, { "WRITE", WRITE }, { 0, 0 } @@ -986,11 +1417,11 @@ def_lex (void) } if (c != EOF) def_ungetc (c); - yylval.number = strtoul (buffer, 0, 0); + yylval.digits = def_pool_strdup (buffer); #if TRACE - printf ("lex: `%s' returns NUMBER %d\n", buffer, yylval.number); + printf ("lex: `%s' returns DIGITS\n", buffer); #endif - return NUMBER; + return DIGITS; } if (ISALPHA (c) || strchr ("$:-_?@", c)) @@ -1002,19 +1433,19 @@ def_lex (void) if (q == '@') { - if (ISBLANK (c) ) /* '@' followed by whitespace. */ + if (ISBLANK (c) ) /* '@' followed by whitespace. */ return (q); - else if (ISDIGIT (c)) /* '@' followed by digit. */ - { + else if (ISDIGIT (c)) /* '@' followed by digit. */ + { def_ungetc (c); - return (q); + return (q); } #if TRACE printf ("lex: @ returns itself\n"); #endif } - while (c != EOF && (ISALNUM (c) || strchr ("$:-_?/@", c))) + while (c != EOF && (ISALNUM (c) || strchr ("$:-_?/@<>", c))) { put_buf (c); c = def_getc (); @@ -1023,7 +1454,7 @@ def_lex (void) def_ungetc (c); if (ISALPHA (q)) /* Check for tokens. */ { - for (i = 0; tokens[i].name; i++) + for (i = 0; tokens[i].name; i++) if (strcmp (tokens[i].name, buffer) == 0) { #if TRACE @@ -1035,7 +1466,7 @@ def_lex (void) #if TRACE printf ("lex: `%s' returns ID\n", buffer); #endif - yylval.id = xstrdup (buffer); + yylval.id = def_pool_strdup (buffer); return ID; } @@ -1050,14 +1481,30 @@ def_lex (void) put_buf (c); c = def_getc (); } - yylval.id = xstrdup (buffer); + yylval.id = def_pool_strdup (buffer); #if TRACE printf ("lex: `%s' returns ID\n", buffer); #endif return ID; } - if (c == '=' || c == '.' || c == ',') + if ( c == '=') + { + c = def_getc (); + if (c == '=') + { +#if TRACE + printf ("lex: `==' returns EQUAL\n"); +#endif + return EQUAL; + } + def_ungetc (c); +#if TRACE + printf ("lex: `=' returns itself\n"); +#endif + return '='; + } + if (c == '.' || c == ',') { #if TRACE printf ("lex: `%c' returns itself\n", c); @@ -1074,3 +1521,38 @@ def_lex (void) /*printf ("lex: 0x%02x ignored\n", c); */ return def_lex (); } + +static char * +def_pool_alloc (size_t sz) +{ + def_pool_str *e; + + e = (def_pool_str *) xmalloc (sizeof (def_pool_str) + sz); + e->next = pool_strs; + pool_strs = e; + return e->data; +} + +static char * +def_pool_strdup (const char *str) +{ + char *s; + size_t len; + if (!str) + return NULL; + len = strlen (str) + 1; + s = def_pool_alloc (len); + memcpy (s, str, len); + return s; +} + +static void +def_pool_free (void) +{ + def_pool_str *p; + while ((p = pool_strs) != NULL) + { + pool_strs = p->next; + free (p); + } +}