diff options
Diffstat (limited to 'gdb/dwarfread.c')
| -rw-r--r-- | gdb/dwarfread.c | 72 |
1 files changed, 38 insertions, 34 deletions
diff --git a/gdb/dwarfread.c b/gdb/dwarfread.c index d89deba..2b13ad6 100644 --- a/gdb/dwarfread.c +++ b/gdb/dwarfread.c @@ -41,10 +41,6 @@ other things to work on, if you get bored. :-) */ #include "defs.h" -#include <varargs.h> -#include <fcntl.h> -#include <string.h> - #include "bfd.h" #include "symtab.h" #include "gdbtypes.h" @@ -55,6 +51,18 @@ other things to work on, if you get bored. :-) #include "buildsym.h" #include "demangle.h" +#include <varargs.h> +#include <fcntl.h> +#include <string.h> +#ifndef NO_SYS_FILE +#include <sys/file.h> +#endif + +/* FIXME -- convert this to SEEK_SET a la POSIX, move to config files. */ +#ifndef L_SET +#define L_SET 0 +#endif + #ifdef MAINTENANCE /* Define to 1 to compile in some maintenance stuff */ #define SQUAWK(stuff) dwarfwarn stuff #else @@ -253,10 +261,10 @@ static struct section_offsets *base_section_offsets; */ struct dwfinfo { - int dbfoff; /* Absolute file offset to start of .debug section */ + file_ptr dbfoff; /* Absolute file offset to start of .debug section */ int dbroff; /* Relative offset from start of .debug section */ int dblength; /* Size of the chunk of DIE's being examined */ - int lnfoff; /* Absolute file offset to line table fragment */ + file_ptr lnfoff; /* Absolute file offset to line table fragment */ }; #define DBFOFF(p) (((struct dwfinfo *)((p)->read_symtab_private))->dbfoff) @@ -342,8 +350,8 @@ static void scan_partial_symbols PARAMS ((char *, char *, struct objfile *)); static void -scan_compilation_units PARAMS ((char *, char *, char *, unsigned int, - unsigned int, struct objfile *)); +scan_compilation_units PARAMS ((char *, char *, file_ptr, + file_ptr, struct objfile *)); static void add_partial_symbol PARAMS ((struct dieinfo *, struct objfile *)); @@ -498,18 +506,17 @@ GLOBAL FUNCTION SYNOPSIS - void dwarf_build_psymtabs (int desc, char *filename, + void dwarf_build_psymtabs (struct objfile *objfile, struct section_offsets *section_offsets, - int mainline, unsigned int dbfoff, unsigned int dbfsize, - unsigned int lnoffset, unsigned int lnsize, - struct objfile *objfile) + int mainline, file_ptr dbfoff, unsigned int dbfsize, + file_ptr lnoffset, unsigned int lnsize) DESCRIPTION This function is called upon to build partial symtabs from files containing DIE's (Dwarf Information Entries) and DWARF line numbers. - It is passed a file descriptor for an open file containing the DIES + It is passed a bfd* containing the DIES and line number information, the corresponding filename for that file, a base address for relocating the symbols, a flag indicating whether or not this debugging information is from a "main symbol @@ -524,29 +531,28 @@ RETURNS */ void -dwarf_build_psymtabs (desc, filename, section_offsets, mainline, dbfoff, dbfsize, - lnoffset, lnsize, objfile) - int desc; - char *filename; +dwarf_build_psymtabs (objfile, section_offsets, mainline, dbfoff, dbfsize, + lnoffset, lnsize) + struct objfile *objfile; struct section_offsets *section_offsets; int mainline; - unsigned int dbfoff; + file_ptr dbfoff; unsigned int dbfsize; - unsigned int lnoffset; + file_ptr lnoffset; unsigned int lnsize; - struct objfile *objfile; { + bfd *abfd = objfile->obfd; struct cleanup *back_to; current_objfile = objfile; dbsize = dbfsize; dbbase = xmalloc (dbsize); dbroff = 0; - if ((lseek (desc, dbfoff, 0) != dbfoff) || - (read (desc, dbbase, dbsize) != dbsize)) + if ((bfd_seek (abfd, dbfoff, L_SET) != 0) || + (bfd_read (dbbase, dbsize, 1, abfd) != dbsize)) { free (dbbase); - error ("can't read DWARF data from '%s'", filename); + error ("can't read DWARF data from '%s'", bfd_get_filename (abfd)); } back_to = make_cleanup (free, dbbase); @@ -569,8 +575,7 @@ dwarf_build_psymtabs (desc, filename, section_offsets, mainline, dbfoff, dbfsize table entry for each one. Save enough information about each compilation unit to locate the full DWARF information later. */ - scan_compilation_units (filename, dbbase, dbbase + dbsize, - dbfoff, lnoffset, objfile); + scan_compilation_units (dbbase, dbbase + dbsize, dbfoff, lnoffset, objfile); do_cleanups (back_to); current_objfile = NULL; @@ -2083,7 +2088,7 @@ read_ofile_symtab (pst) { struct cleanup *back_to; unsigned long lnsize; - int foffset; + file_ptr foffset; bfd *abfd; char lnsizedata[SIZEOF_LINETBL_LENGTH]; @@ -2100,7 +2105,7 @@ read_ofile_symtab (pst) foffset = DBFOFF(pst) + dbroff; base_section_offsets = pst->section_offsets; baseaddr = ANOFFSET (pst->section_offsets, 0); - if (bfd_seek (abfd, foffset, 0) || + if (bfd_seek (abfd, foffset, L_SET) || (bfd_read (dbbase, dbsize, 1, abfd) != dbsize)) { free (dbbase); @@ -2116,7 +2121,7 @@ read_ofile_symtab (pst) lnbase = NULL; if (LNFOFF (pst)) { - if (bfd_seek (abfd, LNFOFF (pst), 0) || + if (bfd_seek (abfd, LNFOFF (pst), L_SET) || (bfd_read ((PTR) lnsizedata, sizeof (lnsizedata), 1, abfd) != sizeof (lnsizedata))) { @@ -2125,7 +2130,7 @@ read_ofile_symtab (pst) lnsize = target_to_host (lnsizedata, SIZEOF_LINETBL_LENGTH, GET_UNSIGNED, pst -> objfile); lnbase = xmalloc (lnsize); - if (bfd_seek (abfd, LNFOFF (pst), 0) || + if (bfd_seek (abfd, LNFOFF (pst), L_SET) || (bfd_read (lnbase, lnsize, 1, abfd) != lnsize)) { free (lnbase); @@ -2637,12 +2642,11 @@ RETURNS */ static void -scan_compilation_units (filename, thisdie, enddie, dbfoff, lnoffset, objfile) - char *filename; +scan_compilation_units (thisdie, enddie, dbfoff, lnoffset, objfile) char *thisdie; char *enddie; - unsigned int dbfoff; - unsigned int lnoffset; + file_ptr dbfoff; + file_ptr lnoffset; struct objfile *objfile; { char *nextdie; @@ -2650,7 +2654,7 @@ scan_compilation_units (filename, thisdie, enddie, dbfoff, lnoffset, objfile) struct partial_symtab *pst; int culength; int curoff; - int curlnoffset; + file_ptr curlnoffset; while (thisdie < enddie) { |