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author | lost |
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date | Sun, 08 Feb 2009 03:00:44 +0000 |
parents | 106c2fe3c9d9 |
children | d610b8aef91b |
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/* lwlink.h Copyright © 2009 William Astle This file is part of LWLINK. LWLINK 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. You should have received a copy of the GNU General Public License along with this program. If not, see <http://www.gnu.org/licenses/>. Contains the main defs used by the linker */ #ifndef __lwlink_h_seen__ #define __lwlink_h_seen__ #include "expr.h" #define OUTPUT_DECB 0 // DECB multirecord format #define OUTPUT_RAW 1 // raw sequence of bytes typedef struct symtab_s symtab_t; struct symtab_s { unsigned char *sym; // symbol name int offset; // local offset // int realval; // resolved value symtab_t *next; // next symbol }; typedef struct reloc_s reloc_t; struct reloc_s { int offset; // where in the section lw_expr_stack_t *expr; // the expression to calculate it reloc_t *next; // ptr to next relocation }; typedef struct fileinfo_s fileinfo_t; #define SECTION_BSS 1 typedef struct { unsigned char *name; // name of the section int flags; // section flags int codesize; // size of the code unsigned char *code; // pointer to the code int loadaddress; // the actual load address of the section int processed; // was the section processed yet? symtab_t *localsyms; // local symbol table symtab_t *exportedsyms; // exported symbols table reloc_t *incompletes; // table of incomplete references fileinfo_t *file; // the file we are in } section_t; struct fileinfo_s { char *filename; unsigned char *filedata; long filesize; section_t *sections; int nsections; }; struct section_list { section_t *ptr; // ptr to section structure int forceaddr; // was this force to an address by the link script? }; #ifndef __link_c_seen__ extern struct section_list *sectlist; extern int nsects; #endif #ifndef __lwlink_c_seen__ extern int debug_level; extern int outformat; extern char *outfile; extern int ninputfiles; extern fileinfo_t **inputfiles; extern char *scriptfile; #define __lwlink_E__ extern #else #define __lwlink_E__ #endif // __lwlink_c_seen__ __lwlink_E__ void add_input_file(char *fn); #undef __lwlink_E__ struct scriptline_s { char *sectname; // name of section, NULL for wildcard int loadat; // address to load at (or -1) int noflags; // flags to NOT have int yesflags; // flags to HAVE }; typedef struct { int nlines; // number of lines in the script struct scriptline_s *lines; // the parsed script lines (section) int padsize; // the size to pad to, -1 for none char *execsym; // entry point symbol int execaddr; // execution address (entry point) } linkscript_t; #ifndef __script_c_seen__ extern linkscript_t linkscript; #endif #endif //__lwlink_h_seen__