diff options
Diffstat (limited to 'gdb')
| -rw-r--r-- | gdb/ChangeLog | 23 | ||||
| -rw-r--r-- | gdb/coffread.c | 11 | ||||
| -rw-r--r-- | gdb/dbxread.c | 57 | ||||
| -rw-r--r-- | gdb/elfread.c | 28 | ||||
| -rw-r--r-- | gdb/gdb-stabs.h | 11 | ||||
| -rw-r--r-- | gdb/objfiles.h | 12 | ||||
| -rw-r--r-- | gdb/somread.c | 4 |
7 files changed, 81 insertions, 65 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 671aa09..8ead705 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,26 @@ +2012-12-12 Tom Tromey <tromey@redhat.com> + + * coffread.c (coff_symfile_init): Use set_objfile_data. + (coff_symfile_read): Use DBX_SYMFILE_INFO. + * dbxread.c (dbx_objfile_data_key): New global. + (dbx_symfile_init): Use set_objfile_data. + (dbx_symfile_finish): Don't free deprecated_sym_stab_info. + (dbx_free_symfile_info): New function. + (coffstab_build_psymtabs, elfstab_build_psymtabs): Use + DBX_SYMFILE_INFO. + (stabsect_build_psymtabs): Use set_objfile_data. + (_initialize_dbxreadb): Initialize dbx_objfile_data_key. + * elfread.c (elf_symtab_read): Use DBX_SYMFILE_INFO, + set_objfile_data. + (free_elfinfo): Use DBX_SYMFILE_INFO. + (elf_symfile_finish): Don't free deprecated_sym_stab_info. + (elfstab_offset_sections): Use DBX_SYMFILE_INFO. + * gdb-stabs.h (dbx_objfile_data_key): Declare. + (DBX_SYMFILE_INFO): Rewrite to use objfile_data. + * objfiles.h (struct objfile) <deprecated_sym_stab_info>: Remove. + * somread.c (som_symfile_finish): Don't free + deprecated_sym_stab_info. + 2012-12-12 Joel Brobecker <brobecker@adacore.com> * gdbarch.sh (software_single_step): Remove trailing space in diff --git a/gdb/coffread.c b/gdb/coffread.c index 3789995..94d0554 100644 --- a/gdb/coffread.c +++ b/gdb/coffread.c @@ -450,12 +450,11 @@ record_minimal_symbol (struct coff_symbol *cs, CORE_ADDR address, static void coff_symfile_init (struct objfile *objfile) { - /* Allocate struct to keep track of stab reading. */ - objfile->deprecated_sym_stab_info = (struct dbx_symfile_info *) - xmalloc (sizeof (struct dbx_symfile_info)); + struct dbx_symfile_info *dbx; - memset (objfile->deprecated_sym_stab_info, 0, - sizeof (struct dbx_symfile_info)); + /* Allocate struct to keep track of stab reading. */ + dbx = XCNEW (struct dbx_symfile_info); + set_objfile_data (objfile, dbx_objfile_data_key, dbx); /* Allocate struct to keep track of the symfile. */ objfile->deprecated_sym_private @@ -528,7 +527,7 @@ coff_symfile_read (struct objfile *objfile, int symfile_flags) int stabstrsize; info = (struct coff_symfile_info *) objfile->deprecated_sym_private; - dbxinfo = objfile->deprecated_sym_stab_info; + dbxinfo = DBX_SYMFILE_INFO (objfile); symfile_bfd = abfd; /* Kludge for swap routines. */ /* WARNING WILL ROBINSON! ACCESSING BFD-PRIVATE DATA HERE! FIXME! */ diff --git a/gdb/dbxread.c b/gdb/dbxread.c index 9d0e624..0a92764 100644 --- a/gdb/dbxread.c +++ b/gdb/dbxread.c @@ -64,6 +64,10 @@ native, now. */ +/* Key for dbx-associated data. */ + +const struct objfile_data *dbx_objfile_data_key; + /* We put a pointer to this structure in the read_symtab_private field of the psymtab. */ @@ -624,12 +628,11 @@ dbx_symfile_init (struct objfile *objfile) char *name = bfd_get_filename (sym_bfd); asection *text_sect; unsigned char size_temp[DBX_STRINGTAB_SIZE_SIZE]; + struct dbx_symfile_info *dbx; /* Allocate struct to keep track of the symfile. */ - objfile->deprecated_sym_stab_info = (struct dbx_symfile_info *) - xmalloc (sizeof (struct dbx_symfile_info)); - memset (objfile->deprecated_sym_stab_info, 0, - sizeof (struct dbx_symfile_info)); + dbx = XCNEW (struct dbx_symfile_info); + set_objfile_data (objfile, dbx_objfile_data_key, dbx); DBX_TEXT_SECTION (objfile) = bfd_get_section_by_name (sym_bfd, ".text"); DBX_DATA_SECTION (objfile) = bfd_get_section_by_name (sym_bfd, ".data"); @@ -737,24 +740,30 @@ dbx_symfile_init (struct objfile *objfile) static void dbx_symfile_finish (struct objfile *objfile) { - if (objfile->deprecated_sym_stab_info != NULL) + free_header_files (); +} + +static void +dbx_free_symfile_info (struct objfile *objfile, void *arg) +{ + struct dbx_symfile_info *dbx = arg; + + if (dbx->header_files != NULL) { - if (HEADER_FILES (objfile) != NULL) - { - int i = N_HEADER_FILES (objfile); - struct header_file *hfiles = HEADER_FILES (objfile); + int i = dbx->n_header_files; + struct header_file *hfiles = dbx->header_files; - while (--i >= 0) - { - xfree (hfiles[i].name); - xfree (hfiles[i].vector); - } - xfree (hfiles); + while (--i >= 0) + { + xfree (hfiles[i].name); + xfree (hfiles[i].vector); } - xfree (objfile->deprecated_sym_stab_info); + xfree (hfiles); } - free_header_files (); + + xfree (dbx); } + /* Buffer for reading the symbol table entries. */ @@ -3347,7 +3356,7 @@ coffstab_build_psymtabs (struct objfile *objfile, /* There is already a dbx_symfile_info allocated by our caller. It might even contain some info from the coff symtab to help us. */ - info = objfile->deprecated_sym_stab_info; + info = DBX_SYMFILE_INFO (objfile); DBX_TEXT_ADDR (objfile) = textaddr; DBX_TEXT_SIZE (objfile) = textsize; @@ -3436,7 +3445,7 @@ elfstab_build_psymtabs (struct objfile *objfile, asection *stabsect, /* There is already a dbx_symfile_info allocated by our caller. It might even contain some info from the ELF symtab to help us. */ - info = objfile->deprecated_sym_stab_info; + info = DBX_SYMFILE_INFO (objfile); /* Find the first and last text address. dbx_symfile_read seems to want this. */ @@ -3515,6 +3524,7 @@ stabsect_build_psymtabs (struct objfile *objfile, char *stab_name, asection *stabsect; asection *stabstrsect; asection *text_sect; + struct dbx_symfile_info *dbx; stabsect = bfd_get_section_by_name (sym_bfd, stab_name); stabstrsect = bfd_get_section_by_name (sym_bfd, stabstr_name); @@ -3527,10 +3537,8 @@ stabsect_build_psymtabs (struct objfile *objfile, char *stab_name, "but not string section (%s)"), stab_name, stabstr_name); - objfile->deprecated_sym_stab_info = (struct dbx_symfile_info *) - xmalloc (sizeof (struct dbx_symfile_info)); - memset (objfile->deprecated_sym_stab_info, 0, - sizeof (struct dbx_symfile_info)); + dbx = XCNEW (struct dbx_symfile_info); + set_objfile_data (objfile, dbx_objfile_data_key, dbx); text_sect = bfd_get_section_by_name (sym_bfd, text_name); if (!text_sect) @@ -3597,4 +3605,7 @@ void _initialize_dbxread (void) { add_symtab_fns (&aout_sym_fns); + + dbx_objfile_data_key + = register_objfile_data_with_cleanup (NULL, dbx_free_symfile_info); } diff --git a/gdb/elfread.c b/gdb/elfread.c index 84efc59..29d5836 100644 --- a/gdb/elfread.c +++ b/gdb/elfread.c @@ -248,7 +248,7 @@ elf_symtab_read (struct objfile *objfile, int type, /* Name of filesym. This is either a constant string or is saved on the objfile's filename cache. */ const char *filesymname = ""; - struct dbx_symfile_info *dbx = objfile->deprecated_sym_stab_info; + struct dbx_symfile_info *dbx = DBX_SYMFILE_INFO (objfile); int stripped = (bfd_get_symcount (objfile->obfd) == 0); for (i = 0; i < number_of_symbols; i++) @@ -1251,6 +1251,7 @@ elf_symfile_read (struct objfile *objfile, int symfile_flags) long symcount = 0, dynsymcount = 0, synthcount, storage_needed; asymbol **symbol_table = NULL, **dyn_symbol_table = NULL; asymbol *synthsyms; + struct dbx_symfile_info *dbx; if (symtab_create_debug) { @@ -1265,16 +1266,13 @@ elf_symfile_read (struct objfile *objfile, int symfile_flags) memset ((char *) &ei, 0, sizeof (ei)); /* Allocate struct to keep track of the symfile. */ - objfile->deprecated_sym_stab_info = (struct dbx_symfile_info *) - xmalloc (sizeof (struct dbx_symfile_info)); - memset ((char *) objfile->deprecated_sym_stab_info, - 0, sizeof (struct dbx_symfile_info)); + dbx = XCNEW (struct dbx_symfile_info); + set_objfile_data (objfile, dbx_objfile_data_key, dbx); make_cleanup (free_elfinfo, (void *) objfile); /* Process the normal ELF symbol table first. This may write some - chain of info into the dbx_symfile_info in - objfile->deprecated_sym_stab_info, which can later be used by - elfstab_offset_sections. */ + chain of info into the dbx_symfile_info of the objfile, which can + later be used by elfstab_offset_sections. */ storage_needed = bfd_get_symtab_upper_bound (objfile->obfd); if (storage_needed < 0) @@ -1467,15 +1465,14 @@ read_psyms (struct objfile *objfile) dwarf2_build_psymtabs (objfile); } -/* This cleans up the objfile's deprecated_sym_stab_info pointer, and - the chain of stab_section_info's, that might be dangling from - it. */ +/* This cleans up the objfile's dbx symfile info, and the chain of + stab_section_info's, that might be dangling from it. */ static void free_elfinfo (void *objp) { struct objfile *objfile = (struct objfile *) objp; - struct dbx_symfile_info *dbxinfo = objfile->deprecated_sym_stab_info; + struct dbx_symfile_info *dbxinfo = DBX_SYMFILE_INFO (objfile); struct stab_section_info *ssi, *nssi; ssi = dbxinfo->stab_section_info; @@ -1512,11 +1509,6 @@ elf_new_init (struct objfile *ignore) static void elf_symfile_finish (struct objfile *objfile) { - if (objfile->deprecated_sym_stab_info != NULL) - { - xfree (objfile->deprecated_sym_stab_info); - } - dwarf2_free_objfile (objfile); } @@ -1550,7 +1542,7 @@ void elfstab_offset_sections (struct objfile *objfile, struct partial_symtab *pst) { const char *filename = pst->filename; - struct dbx_symfile_info *dbx = objfile->deprecated_sym_stab_info; + struct dbx_symfile_info *dbx = DBX_SYMFILE_INFO (objfile); struct stab_section_info *maybe = dbx->stab_section_info; struct stab_section_info *questionable = 0; int i; diff --git a/gdb/gdb-stabs.h b/gdb/gdb-stabs.h index 402cc16..a136406 100644 --- a/gdb/gdb-stabs.h +++ b/gdb/gdb-stabs.h @@ -27,6 +27,10 @@ #if !defined (GDBSTABS_H) #define GDBSTABS_H +/* The tag used to find the DBX info attached to an objfile. This is + global because it is referenced by several modules. */ +extern const struct objfile_data *dbx_objfile_data_key; + /* The stab_section_info chain remembers info from the ELF symbol table, while psymtabs are being built for the other symbol tables in the objfile. It is destroyed at the complation of psymtab-reading. @@ -42,8 +46,8 @@ struct stab_section_info }; /* Information is passed among various dbxread routines for accessing - symbol files. A pointer to this structure is kept in the - deprecated_sym_stab_info field of the objfile struct. */ + symbol files. A pointer to this structure is kept in the objfile, + using the dbx_objfile_data_key. */ struct dbx_symfile_info { @@ -73,7 +77,8 @@ struct dbx_symfile_info asection *stab_section; }; -#define DBX_SYMFILE_INFO(o) ((o)->deprecated_sym_stab_info) +#define DBX_SYMFILE_INFO(o) \ + ((struct dbx_symfile_info *) objfile_data ((o), dbx_objfile_data_key)) #define DBX_TEXT_ADDR(o) (DBX_SYMFILE_INFO(o)->text_addr) #define DBX_TEXT_SIZE(o) (DBX_SYMFILE_INFO(o)->text_size) #define DBX_SYMCOUNT(o) (DBX_SYMFILE_INFO(o)->symcount) diff --git a/gdb/objfiles.h b/gdb/objfiles.h index 304f935..65162a1 100644 --- a/gdb/objfiles.h +++ b/gdb/objfiles.h @@ -322,15 +322,6 @@ struct objfile struct entry_info ei; - /* Information about stabs. Will be filled in with a dbx_symfile_info - struct by those readers that need it. */ - /* NOTE: cagney/2004-10-23: This has been replaced by per-objfile - data points implemented using "data" and "num_data" below. For - an example of how to use this replacement, see "objfile_data" - in "mips-tdep.c". */ - - struct dbx_symfile_info *deprecated_sym_stab_info; - /* Hook for information for use by the symbol reader (currently used for information shared by sym_init and sym_read). It is typically a pointer to malloc'd memory. The symbol reader's finish @@ -344,8 +335,7 @@ struct objfile /* Per objfile data-pointers required by other GDB modules. */ /* FIXME: kettenis/20030711: This mechanism could replace - deprecated_sym_stab_info and deprecated_sym_private - entirely. */ + deprecated_sym_private entirely. */ REGISTRY_FIELDS; diff --git a/gdb/somread.c b/gdb/somread.c index aeeb992..f603162 100644 --- a/gdb/somread.c +++ b/gdb/somread.c @@ -351,10 +351,6 @@ som_new_init (struct objfile *ignore) static void som_symfile_finish (struct objfile *objfile) { - if (objfile->deprecated_sym_stab_info != NULL) - { - xfree (objfile->deprecated_sym_stab_info); - } } /* SOM specific initialization routine for reading symbols. */ |