X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=ld%2Fldlex.l;h=d9ef8301d5db996a811bb5cfb172ed51195e1bc9;hb=a504d23a83d115b1b29a5b1fbfaeb2b09bc0e22c;hp=b55ebe77ddac2affe53136889f749026d72b511b;hpb=1579bae1cd094ed9b986d2128997953600ca910d;p=deliverable%2Fbinutils-gdb.git diff --git a/ld/ldlex.l b/ld/ldlex.l index b55ebe77dd..d9ef8301d5 100644 --- a/ld/ldlex.l +++ b/ld/ldlex.l @@ -1,40 +1,28 @@ -%{ - -/* Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, - 2000, 2001, 2002, 2003 Free Software Foundation, Inc. - -This file is part of GLD, the Gnu Linker. +%option nounput -GLD 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, or (at your option) -any later version. +%{ -GLD 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. +/* Copyright (C) 1991-2015 Free Software Foundation, Inc. + Written by Steve Chamberlain of Cygnus Support. -You should have received a copy of the GNU General Public License -along with GLD; see the file COPYING. If not, write to the Free -Software Foundation, 59 Temple Place - Suite 330, Boston, MA -02111-1307, USA. */ + This file is part of the GNU Binutils. -/* -This was written by steve chamberlain - sac@cygnus.com -*/ + 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. -#include - -#ifdef MPW -/* Prevent enum redefinition problems. */ -#define TRUE_FALSE_ALREADY_DEFINED -#endif /* MPW */ + 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. */ #include "bfd.h" -#include "sysdep.h" #include "safe-ctype.h" #include "bfdlink.h" #include "ld.h" @@ -68,22 +56,28 @@ const char *lex_string = NULL; Otherwise, stack elements 0 through `include_stack_ptr - 1' are valid. */ #undef YY_INPUT -#define YY_INPUT(buf,result,max_size) yy_input (buf, &result, max_size) +#define YY_INPUT(buf,result,max_size) result = yy_input (buf, max_size) + +#ifndef YY_NO_UNPUT +#define YY_NO_UNPUT +#endif #define MAX_INCLUDE_DEPTH 10 static YY_BUFFER_STATE include_stack[MAX_INCLUDE_DEPTH]; static const char *file_name_stack[MAX_INCLUDE_DEPTH]; static unsigned int lineno_stack[MAX_INCLUDE_DEPTH]; +static unsigned int sysrooted_stack[MAX_INCLUDE_DEPTH]; static unsigned int include_stack_ptr = 0; static int vers_node_nesting = 0; -static void yy_input (char *, int *, int); +static int yy_input (char *, int); static void comment (void); static void lex_warn_invalid (char *where, char *what); /* STATES EXPRESSION definitely in an expression SCRIPT definitely in a script + INPUTLIST definitely in a script, a filename-list BOTH either EXPRESSION or SCRIPT DEFSYMEXP in an argument to -defsym MRI in an MRI script @@ -107,15 +101,16 @@ CMDFILENAMECHAR1 [_a-zA-Z0-9\/\.\\_\+\$\:\[\]\\\,\=\&\!\<\>\~] FILENAMECHAR1 [_a-zA-Z\/\.\\\$\_\~] SYMBOLCHARN [_a-zA-Z\/\.\\\$\_\~0-9] FILENAMECHAR [_a-zA-Z0-9\/\.\-\_\+\=\$\:\[\]\\\,\~] -WILDCHAR [_a-zA-Z0-9\/\.\-\_\+\=\$\:\[\]\\\,\~\?\*] +WILDCHAR [_a-zA-Z0-9\/\.\-\_\+\=\$\:\[\]\\\,\~\?\*\^\!] WHITE [ \t\n\r]+ NOCFILENAMECHAR [_a-zA-Z0-9\/\.\-\_\+\$\:\[\]\\\~] V_TAG [.$_a-zA-Z][._a-zA-Z0-9]* -V_IDENTIFIER [*?.$_a-zA-Z\[\]\-\!\^]([*?.$_a-zA-Z0-9\[\]\-\!\^]|::)* +V_IDENTIFIER [*?.$_a-zA-Z\[\]\-\!\^\\]([*?.$_a-zA-Z0-9\[\]\-\!\^\\]|::)* %s SCRIPT +%s INPUTLIST %s EXPRESSION %s BOTH %s DEFSYMEXP @@ -135,12 +130,13 @@ V_IDENTIFIER [*?.$_a-zA-Z\[\]\-\!\^]([*?.$_a-zA-Z0-9\[\]\-\!\^]|::)* case input_script: return INPUT_SCRIPT; break; case input_mri_script: return INPUT_MRI_SCRIPT; break; case input_version_script: return INPUT_VERSION_SCRIPT; break; + case input_dynamic_list: return INPUT_DYNAMIC_LIST; break; case input_defsym: return INPUT_DEFSYM; break; default: abort (); } } -"/*" { comment (); } +"/*" { comment (); } "-" { RTOKEN('-');} @@ -227,7 +223,7 @@ V_IDENTIFIER [*?.$_a-zA-Z\[\]\-\!\^]([*?.$_a-zA-Z0-9\[\]\-\!\^]|::)* "|=" { RTOKEN(OREQ);} "&&" { RTOKEN(ANDAND);} ">" { RTOKEN('>');} -"," { RTOKEN(',');} +"," { RTOKEN(',');} "&" { RTOKEN('&');} "|" { RTOKEN('|');} "~" { RTOKEN('~');} @@ -239,87 +235,110 @@ V_IDENTIFIER [*?.$_a-zA-Z\[\]\-\!\^]([*?.$_a-zA-Z0-9\[\]\-\!\^]|::)* "/" { RTOKEN('/');} "%" { RTOKEN('%');} "<" { RTOKEN('<');} -"=" { RTOKEN('=');} -"}" { RTOKEN('}') ; } -"{" { RTOKEN('{'); } -")" { RTOKEN(')');} -"(" { RTOKEN('(');} +"=" { RTOKEN('=');} +"}" { RTOKEN('}') ; } +"{" { RTOKEN('{'); } +")" { RTOKEN(')');} +"(" { RTOKEN('(');} ":" { RTOKEN(':'); } ";" { RTOKEN(';');} -"MEMORY" { RTOKEN(MEMORY);} -"ORIGIN" { RTOKEN(ORIGIN);} -"VERSION" { RTOKEN(VERSIONK);} +"MEMORY" { RTOKEN(MEMORY);} +"REGION_ALIAS" { RTOKEN(REGION_ALIAS);} +"LD_FEATURE" { RTOKEN(LD_FEATURE);} +"ORIGIN" { RTOKEN(ORIGIN);} +"VERSION" { RTOKEN(VERSIONK);} "BLOCK" { RTOKEN(BLOCK);} "BIND" { RTOKEN(BIND);} -"LENGTH" { RTOKEN(LENGTH);} -"ALIGN" { RTOKEN(ALIGN_K);} +"LENGTH" { RTOKEN(LENGTH);} +"ALIGN" { RTOKEN(ALIGN_K);} "DATA_SEGMENT_ALIGN" { RTOKEN(DATA_SEGMENT_ALIGN);} +"DATA_SEGMENT_RELRO_END" { RTOKEN(DATA_SEGMENT_RELRO_END);} "DATA_SEGMENT_END" { RTOKEN(DATA_SEGMENT_END);} -"ADDR" { RTOKEN(ADDR);} -"LOADADDR" { RTOKEN(LOADADDR);} +"ADDR" { RTOKEN(ADDR);} +"LOADADDR" { RTOKEN(LOADADDR);} +"ALIGNOF" { RTOKEN(ALIGNOF); } "MAX" { RTOKEN(MAX_K); } "MIN" { RTOKEN(MIN_K); } -"ASSERT" { RTOKEN(ASSERT_K); } +"LOG2CEIL" { RTOKEN(LOG2CEIL); } +"ASSERT" { RTOKEN(ASSERT_K); } "ENTRY" { RTOKEN(ENTRY);} "EXTERN" { RTOKEN(EXTERN);} -"NEXT" { RTOKEN(NEXT);} +"NEXT" { RTOKEN(NEXT);} "sizeof_headers" { RTOKEN(SIZEOF_HEADERS);} "SIZEOF_HEADERS" { RTOKEN(SIZEOF_HEADERS);} +"SEGMENT_START" { RTOKEN(SEGMENT_START);} "MAP" { RTOKEN(MAP);} -"SIZEOF" { RTOKEN(SIZEOF);} -"TARGET" { RTOKEN(TARGET_K);} +"SIZEOF" { RTOKEN(SIZEOF);} +"TARGET" { RTOKEN(TARGET_K);} "SEARCH_DIR" { RTOKEN(SEARCH_DIR);} -"OUTPUT" { RTOKEN(OUTPUT);} +"OUTPUT" { RTOKEN(OUTPUT);} "INPUT" { RTOKEN(INPUT);} "GROUP" { RTOKEN(GROUP);} -"DEFINED" { RTOKEN(DEFINED);} +"AS_NEEDED" { RTOKEN(AS_NEEDED);} +"DEFINED" { RTOKEN(DEFINED);} "CREATE_OBJECT_SYMBOLS" { RTOKEN(CREATE_OBJECT_SYMBOLS);} "CONSTRUCTORS" { RTOKEN( CONSTRUCTORS);} -"FORCE_COMMON_ALLOCATION" { RTOKEN(FORCE_COMMON_ALLOCATION);} +"FORCE_COMMON_ALLOCATION" { RTOKEN(FORCE_COMMON_ALLOCATION);} "INHIBIT_COMMON_ALLOCATION" { RTOKEN(INHIBIT_COMMON_ALLOCATION);} -"SECTIONS" { RTOKEN(SECTIONS);} +"SECTIONS" { RTOKEN(SECTIONS);} +"INSERT" { RTOKEN(INSERT_K);} +"AFTER" { RTOKEN(AFTER);} +"BEFORE" { RTOKEN(BEFORE);} "FILL" { RTOKEN(FILL);} -"STARTUP" { RTOKEN(STARTUP);} +"STARTUP" { RTOKEN(STARTUP);} "OUTPUT_FORMAT" { RTOKEN(OUTPUT_FORMAT);} "OUTPUT_ARCH" { RTOKEN( OUTPUT_ARCH);} "HLL" { RTOKEN(HLL);} -"SYSLIB" { RTOKEN(SYSLIB);} +"SYSLIB" { RTOKEN(SYSLIB);} "FLOAT" { RTOKEN(FLOAT);} "QUAD" { RTOKEN( QUAD);} "SQUAD" { RTOKEN( SQUAD);} "LONG" { RTOKEN( LONG);} "SHORT" { RTOKEN( SHORT);} "BYTE" { RTOKEN( BYTE);} -"NOFLOAT" { RTOKEN(NOFLOAT);} +"NOFLOAT" { RTOKEN(NOFLOAT);} "NOCROSSREFS" { RTOKEN(NOCROSSREFS);} "OVERLAY" { RTOKEN(OVERLAY); } -"SORT" { RTOKEN(SORT); } +"SORT_BY_NAME" { RTOKEN(SORT_BY_NAME); } +"SORT_BY_ALIGNMENT" { RTOKEN(SORT_BY_ALIGNMENT); } +"SORT" { RTOKEN(SORT_BY_NAME); } +"SORT_BY_INIT_PRIORITY" { RTOKEN(SORT_BY_INIT_PRIORITY); } +"SORT_NONE" { RTOKEN(SORT_NONE); } "NOLOAD" { RTOKEN(NOLOAD);} "DSECT" { RTOKEN(DSECT);} "COPY" { RTOKEN(COPY);} "INFO" { RTOKEN(INFO);} "OVERLAY" { RTOKEN(OVERLAY);} +"ONLY_IF_RO" { RTOKEN(ONLY_IF_RO); } +"ONLY_IF_RW" { RTOKEN(ONLY_IF_RW); } +"SPECIAL" { RTOKEN(SPECIAL); } "o" { RTOKEN(ORIGIN);} "org" { RTOKEN(ORIGIN);} "l" { RTOKEN( LENGTH);} "len" { RTOKEN( LENGTH);} -"INCLUDE" { RTOKEN(INCLUDE);} +"INPUT_SECTION_FLAGS" { RTOKEN(INPUT_SECTION_FLAGS); } +"INCLUDE" { RTOKEN(INCLUDE);} "PHDRS" { RTOKEN (PHDRS); } -"AT" { RTOKEN(AT);} -"PROVIDE" { RTOKEN(PROVIDE); } +"AT" { RTOKEN(AT);} +"ALIGN_WITH_INPUT" { RTOKEN(ALIGN_WITH_INPUT);} +"SUBALIGN" { RTOKEN(SUBALIGN);} +"HIDDEN" { RTOKEN(HIDDEN); } +"PROVIDE" { RTOKEN(PROVIDE); } +"PROVIDE_HIDDEN" { RTOKEN(PROVIDE_HIDDEN); } "KEEP" { RTOKEN(KEEP); } -"EXCLUDE_FILE" { RTOKEN(EXCLUDE_FILE); } +"EXCLUDE_FILE" { RTOKEN(EXCLUDE_FILE); } +"CONSTANT" { RTOKEN(CONSTANT);} "#".*\n? { ++ lineno; } "\n" { ++ lineno; RTOKEN(NEWLINE); } "*".* { /* Mri comment line */ } ";".* { /* Mri comment line */ } "END" { RTOKEN(ENDWORD); } -"ALIGNMOD" { RTOKEN(ALIGNMOD);} -"ALIGN" { RTOKEN(ALIGN_K);} +"ALIGNMOD" { RTOKEN(ALIGNMOD);} +"ALIGN" { RTOKEN(ALIGN_K);} "CHIP" { RTOKEN(CHIP); } "BASE" { RTOKEN(BASE); } -"ALIAS" { RTOKEN(ALIAS); } -"TRUNCATE" { RTOKEN(TRUNCATE); } +"ALIAS" { RTOKEN(ALIAS); } +"TRUNCATE" { RTOKEN(TRUNCATE); } "LOAD" { RTOKEN(LOAD); } "PUBLIC" { RTOKEN(PUBLIC); } "ORDER" { RTOKEN(ORDER); } @@ -331,12 +350,12 @@ V_IDENTIFIER [*?.$_a-zA-Z\[\]\-\!\^]([*?.$_a-zA-Z0-9\[\]\-\!\^]|::)* "SECT" { RTOKEN(SECT); } "ABSOLUTE" { RTOKEN(ABSOLUTE); } "end" { RTOKEN(ENDWORD); } -"alignmod" { RTOKEN(ALIGNMOD);} -"align" { RTOKEN(ALIGN_K);} +"alignmod" { RTOKEN(ALIGNMOD);} +"align" { RTOKEN(ALIGN_K);} "chip" { RTOKEN(CHIP); } "base" { RTOKEN(BASE); } -"alias" { RTOKEN(ALIAS); } -"truncate" { RTOKEN(TRUNCATE); } +"alias" { RTOKEN(ALIAS); } +"truncate" { RTOKEN(TRUNCATE); } "load" { RTOKEN(LOAD); } "public" { RTOKEN(PUBLIC); } "order" { RTOKEN(ORDER); } @@ -356,11 +375,24 @@ V_IDENTIFIER [*?.$_a-zA-Z\[\]\-\!\^]([*?.$_a-zA-Z0-9\[\]\-\!\^]|::)* } -{FILENAMECHAR1}{FILENAMECHAR}* { +{FILENAMECHAR1}{FILENAMECHAR}* { + yylval.name = xstrdup (yytext); + return NAME; + } +"="{FILENAMECHAR1}{FILENAMECHAR}* { +/* Filename to be prefixed by --sysroot or when non-sysrooted, nothing. */ + yylval.name = xstrdup (yytext); + return NAME; + } +"-l"{FILENAMECHAR}+ { + yylval.name = xstrdup (yytext + 2); + return LNAME; + } +{FILENAMECHAR1}{NOCFILENAMECHAR}* { yylval.name = xstrdup (yytext); return NAME; } -"-l"{FILENAMECHAR}+ { +"-l"{NOCFILENAMECHAR}+ { yylval.name = xstrdup (yytext + 2); return LNAME; } @@ -381,7 +413,7 @@ V_IDENTIFIER [*?.$_a-zA-Z\[\]\-\!\^]([*?.$_a-zA-Z0-9\[\]\-\!\^]|::)* } } -"\""[^\"]*"\"" { +"\""[^\"]*"\"" { /* No matter the state, quotes give what's inside */ yylval.name = xstrdup (yytext + 1); @@ -418,26 +450,21 @@ V_IDENTIFIER [*?.$_a-zA-Z\[\]\-\!\^]([*?.$_a-zA-Z0-9\[\]\-\!\^]|::)* return *yytext; } -[\n] { lineno++; } +[\n] { lineno++; } #.* { /* Eat up comments */ } -[ \t\r]+ { /* Eat up whitespace */ } +[ \t\r]+ { /* Eat up whitespace */ } <> { include_stack_ptr--; - if (include_stack_ptr == 0) - { yyterminate (); - } else - { yy_switch_to_buffer (include_stack[include_stack_ptr]); - } - ldfile_input_filename = file_name_stack[include_stack_ptr - 1]; lineno = lineno_stack[include_stack_ptr]; + input_flags.sysrooted = sysrooted_stack[include_stack_ptr]; return END; } @@ -452,7 +479,7 @@ V_IDENTIFIER [*?.$_a-zA-Z\[\]\-\!\^]([*?.$_a-zA-Z0-9\[\]\-\!\^]|::)* saving the current input info on the include stack. */ void -lex_push_file (FILE *file, const char *name) +lex_push_file (FILE *file, const char *name, unsigned int sysrooted) { if (include_stack_ptr >= MAX_INCLUDE_DEPTH) { @@ -460,10 +487,12 @@ lex_push_file (FILE *file, const char *name) } file_name_stack[include_stack_ptr] = name; lineno_stack[include_stack_ptr] = lineno; + sysrooted_stack[include_stack_ptr] = input_flags.sysrooted; include_stack[include_stack_ptr] = YY_CURRENT_BUFFER; include_stack_ptr++; lineno = 1; + input_flags.sysrooted = sysrooted; yyin = file; yy_switch_to_buffer (yy_create_buffer (yyin, YY_BUF_SIZE)); } @@ -512,7 +541,7 @@ yy_create_string_buffer (const char *string, size_t size) on the include stack. */ void -lex_redirect (const char *string) +lex_redirect (const char *string, const char *fake_filename, unsigned int count) { YY_BUFFER_STATE tmp; @@ -521,11 +550,11 @@ lex_redirect (const char *string) { einfo("%F: macros nested too deeply\n"); } - file_name_stack[include_stack_ptr] = "redirect"; + file_name_stack[include_stack_ptr] = fake_filename; lineno_stack[include_stack_ptr] = lineno; include_stack[include_stack_ptr] = YY_CURRENT_BUFFER; include_stack_ptr++; - lineno = 1; + lineno = count; tmp = yy_create_string_buffer (string, strlen (string)); yy_switch_to_buffer (tmp); } @@ -543,6 +572,13 @@ ldlex_script (void) BEGIN (SCRIPT); } +void +ldlex_inputlist (void) +{ + *(state_stack_p)++ = yy_start; + BEGIN (INPUTLIST); +} + void ldlex_mri_script (void) { @@ -590,24 +626,34 @@ ldlex_popstate (void) { yy_start = *(--state_stack_p); } + +/* Return the current file name, or the previous file if no file is + current. */ + +const char* +ldlex_filename (void) +{ + return file_name_stack[include_stack_ptr - (include_stack_ptr != 0)]; +} -/* Place up to MAX_SIZE characters in BUF and return in *RESULT +/* Place up to MAX_SIZE characters in BUF and return either the number of characters read, or 0 to indicate EOF. */ -static void -yy_input (char *buf, int *result, int max_size) +static int +yy_input (char *buf, int max_size) { - *result = 0; + int result = 0; if (YY_CURRENT_BUFFER->yy_input_file) { if (yyin) { - *result = fread (buf, 1, max_size, yyin); - if (*result < max_size && ferror (yyin)) + result = fread (buf, 1, max_size, yyin); + if (result < max_size && ferror (yyin)) einfo ("%F%P: read in flex scanner failed\n"); } } + return result; } /* Eat the rest of a C-style comment. */ @@ -662,14 +708,14 @@ lex_warn_invalid (char *where, char *what) if (ldfile_assumed_script) { bfd_set_error (bfd_error_file_not_recognized); - einfo ("%F%s: file not recognized: %E\n", ldfile_input_filename); + einfo ("%F%s: file not recognized: %E\n", ldlex_filename ()); } if (! ISPRINT (*what)) { - sprintf (buf, "\\%03o", (unsigned int) *what); + sprintf (buf, "\\%03o", *(unsigned char *) what); what = buf; } - einfo ("%P:%S: ignoring invalid character `%s'%s\n", what, where); + einfo ("%P:%S: ignoring invalid character `%s'%s\n", NULL, what, where); }