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2010-12-29 Michael Snyder <msnyder@vmware.com>

Browse source 
* bcache.c: Comment clean-up.
	* block.c: Ditto.
	* blockframe.c: Ditto.
	* breakpoint.c: Ditto.
	* bsd-kvm.c: Ditto.
	* buildsym.c: Ditto.
This commit is contained in:
Michael Snyder 2010-12-29 21:44:26 +00:00
parent 79676006fb
commit 4a64f543e6
7 changed files with 713 additions and 626 deletions
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9
gdb/ChangeLog
View file

@ -1,3 +1,12 @@
2010-12-29 Michael Snyder <msnyder@vmware.com>
* bcache.c: Comment clean-up.
* block.c: Ditto.
* blockframe.c: Ditto.
* breakpoint.c: Ditto.
* bsd-kvm.c: Ditto.
* buildsym.c: Ditto.
2010-12-29 Jie Zhang <jie.zhang@analog.com>
* configure.tgt (bfin-*-*): Set build_gdbserver to yes.

28
gdb/bcache.c
View file

@ -97,9 +97,8 @@ struct bcache
int (*compare_function)(const void *, const void *, int length);
};
/* The old hash function was stolen from SDBM. This is what DB 3.0 uses now,
* and is better than the old one.
*/
/* The old hash function was stolen from SDBM. This is what DB 3.0
uses now, and is better than the old one. */
unsigned long
hash(const void *addr, int length)
@ -305,12 +304,14 @@ bcache_compare (const void *addr1, const void *addr2, int length)
/* Allocated a bcache. HASH_FUNCTION and COMPARE_FUNCTION can be used
to pass in custom hash, and compare functions to be used by this
bcache. If HASH_FUNCTION is NULL hash() is used and if COMPARE_FUNCTION
is NULL memcmp() is used. */
bcache. If HASH_FUNCTION is NULL hash() is used and if
COMPARE_FUNCTION is NULL memcmp() is used. */
struct bcache *
bcache_xmalloc (unsigned long (*hash_function)(const void *, int length),
int (*compare_function)(const void *, const void *, int length))
int (*compare_function)(const void *,
const void *,
int length))
{
/* Allocate the bcache pre-zeroed. */
struct bcache *b = XCALLOC (1, struct bcache);
@ -348,7 +349,7 @@ static void
print_percentage (int portion, int total)
{
if (total == 0)
/* i18n: Like "Percentage of duplicates, by count: (not applicable)" */
/* i18n: Like "Percentage of duplicates, by count: (not applicable)". */
printf_filtered (_("(not applicable)\n"));
else
printf_filtered ("%3d%%\n", (int) (portion * 100.0 / total));
@ -399,7 +400,8 @@ print_bcache_statistics (struct bcache *c, char *type)
}
}
/* To compute the median, we need the set of chain lengths sorted. */
/* To compute the median, we need the set of chain lengths
sorted. */
qsort (chain_length, c->num_buckets, sizeof (chain_length[0]),
compare_positive_ints);
qsort (entry_size, c->unique_count, sizeof (entry_size[0]),
@ -448,7 +450,7 @@ print_bcache_statistics (struct bcache *c, char *type)
if (c->unique_count > 0)
printf_filtered ("%ld\n", c->unique_size / c->unique_count);
else
/* i18n: "Average entry size: (not applicable)" */
/* i18n: "Average entry size: (not applicable)". */
printf_filtered (_("(not applicable)\n"));
printf_filtered (_(" Median entry size: %d\n"), median_entry_size);
printf_filtered ("\n");
@ -461,7 +463,8 @@ print_bcache_statistics (struct bcache *c, char *type)
print_percentage (c->total_size - c->structure_size, c->total_size);
printf_filtered ("\n");
printf_filtered (_(" Hash table size: %3d\n"), c->num_buckets);
printf_filtered (_(" Hash table size: %3d\n"),
c->num_buckets);
printf_filtered (_(" Hash table expands: %lu\n"),
c->expand_count);
printf_filtered (_(" Hash table hashes: %lu\n"),
@ -476,9 +479,10 @@ print_bcache_statistics (struct bcache *c, char *type)
if (c->num_buckets > 0)
printf_filtered ("%3lu\n", c->unique_count / c->num_buckets);
else
/* i18n: "Average hash chain length: (not applicable)" */
/* i18n: "Average hash chain length: (not applicable)". */
printf_filtered (_("(not applicable)\n"));
printf_filtered (_(" Maximum hash chain length: %3d\n"), max_chain_length);
printf_filtered (_(" Maximum hash chain length: %3d\n"),
max_chain_length);
printf_filtered ("\n");
}

2
gdb/block.c
View file

@ -40,7 +40,7 @@ static void block_initialize_namespace (struct block *block,
/* Return Nonzero if block a is lexically nested within block b,
or if a and b have the same pc range.
Return zero otherwise. */
Return zero otherwise. */
int
contained_in (const struct block *a, const struct block *b)

25
gdb/blockframe.c
View file

@ -39,8 +39,8 @@
#include "inline-frame.h"
#include "psymtab.h"
/* Return the innermost lexical block in execution
in a specified stack frame. The frame address is assumed valid.
/* Return the innermost lexical block in execution in a specified
stack frame. The frame address is assumed valid.
If ADDR_IN_BLOCK is non-zero, set *ADDR_IN_BLOCK to the exact code
address we used to choose the block. We use this to find a source
@ -144,7 +144,8 @@ find_pc_sect_function (CORE_ADDR pc, struct obj_section *section)
}
/* Return the function containing pc value PC.
Returns 0 if function is not known. Backward compatibility, no section */
Returns 0 if function is not known.
Backward compatibility, no section */
struct symbol *
find_pc_function (CORE_ADDR pc)
@ -153,14 +154,14 @@ find_pc_function (CORE_ADDR pc)
}
/* These variables are used to cache the most recent result
* of find_pc_partial_function. */
of find_pc_partial_function. */
static CORE_ADDR cache_pc_function_low = 0;
static CORE_ADDR cache_pc_function_high = 0;
static char *cache_pc_function_name = 0;
static struct obj_section *cache_pc_function_section = NULL;
/* Clear cache, e.g. when symbol table is discarded. */
/* Clear cache, e.g. when symbol table is discarded. */
void
clear_pc_function_cache (void)
@ -240,10 +241,10 @@ find_pc_partial_function (CORE_ADDR pc, char **name, CORE_ADDR *address,
}
}
/* Not in the normal symbol tables, see if the pc is in a known section.
If it's not, then give up. This ensures that anything beyond the end
of the text seg doesn't appear to be part of the last function in the
text segment. */
/* Not in the normal symbol tables, see if the pc is in a known
section. If it's not, then give up. This ensures that anything
beyond the end of the text seg doesn't appear to be part of the
last function in the text segment. */
if (!section)
msymbol = NULL;
@ -314,7 +315,7 @@ find_pc_partial_function (CORE_ADDR pc, char **name, CORE_ADDR *address,
/* Because the high address is actually beyond the end of
the function (and therefore possibly beyond the end of
the overlay), we must actually convert (high - 1) and
then add one to that. */
then add one to that. */
*endaddr = 1 + overlay_unmapped_address (cache_pc_function_high - 1,
section);
@ -326,8 +327,8 @@ find_pc_partial_function (CORE_ADDR pc, char **name, CORE_ADDR *address,
return 1;
}
/* Return the innermost stack frame executing inside of BLOCK,
or NULL if there is no such frame. If BLOCK is NULL, just return NULL. */
/* Return the innermost stack frame executing inside of BLOCK, or NULL
if there is no such frame. If BLOCK is NULL, just return NULL. */
struct frame_info *
block_innermost_frame (struct block *block)

1165
gdb/breakpoint.c
View file

File diff suppressed because it is too large Load diff

2
gdb/bsd-kvm.c
View file

@ -194,7 +194,7 @@ bsd_kvm_fetch_registers (struct target_ops *ops,
if (nl[0].n_value != 0)
{
/* Found dumppcb. If it contains a valid context, return
/* Found dumppcb. If it contains a valid context, return
immediately. */
if (bsd_kvm_fetch_pcb (regcache, (struct pcb *) nl[0].n_value))
return;

108
gdb/buildsym.c
View file

@ -23,7 +23,7 @@
file-reading routines.
Routines to support specific debugging information formats (stabs,
DWARF, etc) belong somewhere else. */
DWARF, etc) belong somewhere else. */
#include "defs.h"
#include "bfd.h"
@ -35,9 +35,9 @@
#include "gdb_assert.h"
#include "complaints.h"
#include "gdb_string.h"
#include "expression.h" /* For "enum exp_opcode" used by... */
#include "expression.h" /* For "enum exp_opcode" used by... */
#include "bcache.h"
#include "filenames.h" /* For DOSish file names */
#include "filenames.h" /* For DOSish file names. */
#include "macrotab.h"
#include "demangle.h" /* Needed by SYMBOL_INIT_DEMANGLED_NAME. */
#include "block.h"
@ -48,7 +48,7 @@
/* Ask buildsym.h to define the vars it normally declares `extern'. */
#define EXTERN
/**/
#include "buildsym.h" /* Our own declarations */
#include "buildsym.h" /* Our own declarations. */
#undef EXTERN
/* For cleanup_undefined_types and finish_global_stabs (somewhat
@ -97,9 +97,9 @@ static int compare_line_numbers (const void *ln1p, const void *ln2p);
#define INITIAL_LINE_VECTOR_LENGTH 1000
/* maintain the lists of symbols and blocks */
/* Maintain the lists of symbols and blocks. */
/* Add a pending list to free_pendings. */
/* Add a pending list to free_pendings. */
void
add_free_pendings (struct pending *list)
{
@ -127,7 +127,7 @@ add_symbol_to_list (struct symbol *symbol, struct pending **listhead)
if (symbol->ginfo.name && symbol->ginfo.name[0] == '#')
return;
/* We keep PENDINGSIZE symbols in each link of the list. If we
/* We keep PENDINGSIZE symbols in each link of the list. If we
don't have a link with room in it, add a new link. */
if (*listhead == NULL || (*listhead)->nsyms == PENDINGSIZE)
{
@ -175,7 +175,7 @@ find_symbol_in_list (struct pending *list, char *name, int length)
}
/* At end of reading syms, or in case of quit, really free as many
`struct pending's as we can easily find. */
`struct pending's as we can easily find. */
void
really_free_pendings (void *dummy)
@ -215,7 +215,7 @@ really_free_pendings (void *dummy)
}
}
/* This function is called to discard any pending blocks. */
/* This function is called to discard any pending blocks. */
void
free_pending_blocks (void)
@ -256,7 +256,7 @@ finish_block (struct symbol *symbol, struct pending **listhead,
BLOCK_START (block) = start;
BLOCK_END (block) = end;
/* Superblock filled in when containing block is made */
/* Superblock filled in when containing block is made. */
BLOCK_SUPERBLOCK (block) = NULL;
BLOCK_NAMESPACE (block) = NULL;
@ -273,7 +273,7 @@ finish_block (struct symbol *symbol, struct pending **listhead,
{
/* No parameter type information is recorded with the
function's type. Set that from the type of the
parameter symbols. */
parameter symbols. */
int nparams = 0, iparams;
struct symbol *sym;
ALL_BLOCK_SYMBOLS (block, iter, sym)
@ -319,7 +319,7 @@ finish_block (struct symbol *symbol, struct pending **listhead,
*listhead = NULL;
/* Check to be sure that the blocks have an end address that is
greater than starting address */
greater than starting address. */
if (BLOCK_END (block) < BLOCK_START (block))
{
@ -336,7 +336,7 @@ finish_block (struct symbol *symbol, struct pending **listhead,
paddress (gdbarch, BLOCK_END (block)),
paddress (gdbarch, BLOCK_START (block)));
}
/* Better than nothing */
/* Better than nothing. */
BLOCK_END (block) = BLOCK_START (block);
}
@ -351,7 +351,7 @@ finish_block (struct symbol *symbol, struct pending **listhead,
if (BLOCK_SUPERBLOCK (pblock->block) == NULL)
{
/* Check to be sure the blocks are nested as we receive
them. If the compiler/assembler/linker work, this just
them. If the compiler/assembler/linker work, this just
burns a small amount of time.
Skip blocks which correspond to a function; they're not
@ -473,9 +473,9 @@ make_blockvector (struct objfile *objfile)
(sizeof (struct blockvector)
+ (i - 1) * sizeof (struct block *)));
/* Copy the blocks into the blockvector. This is done in reverse
/* Copy the blocks into the blockvector. This is done in reverse
order, which happens to put the blocks into the proper order
(ascending starting address). finish_block has hair to insert
(ascending starting address). finish_block has hair to insert
each block into the list after its subblocks in order to make
sure this is true. */
@ -496,7 +496,7 @@ make_blockvector (struct objfile *objfile)
BLOCKVECTOR_MAP (blockvector) = 0;
/* Some compilers output blocks in the wrong order, but we depend on
their being in the right order so we can binary search. Check the
their being in the right order so we can binary search. Check the
order and moan about it. */
if (BLOCKVECTOR_NBLOCKS (blockvector) > 1)
{
@ -520,7 +520,8 @@ make_blockvector (struct objfile *objfile)
/* Start recording information about source code that came from an
included (or otherwise merged-in) source file with a different
name. NAME is the name of the file (cannot be NULL), DIRNAME is
the directory in which the file was compiled (or NULL if not known). */
the directory in which the file was compiled (or NULL if not
known). */
void
start_subfile (const char *name, const char *dirname)
@ -555,7 +556,7 @@ start_subfile (const char *name, const char *dirname)
xfree (subfile_name);
}
/* This subfile is not known. Add an entry for it. Make an entry
/* This subfile is not known. Add an entry for it. Make an entry
for this subfile in the list of all subfiles of the current main
source file. */
@ -565,7 +566,7 @@ start_subfile (const char *name, const char *dirname)
subfiles = subfile;
current_subfile = subfile;
/* Save its name and compilation directory name */
/* Save its name and compilation directory name. */
subfile->name = (name == NULL) ? NULL : xstrdup (name);
subfile->dirname = (dirname == NULL) ? NULL : xstrdup (dirname);
@ -581,7 +582,7 @@ start_subfile (const char *name, const char *dirname)
language then as well, but it is too late for us to use that
information while reading symbols, since symtabs aren't allocated
until after all the symbols have been processed for a given
source file. */
source file. */
subfile->language = deduce_language_from_filename (subfile->name);
if (subfile->language == language_unknown
@ -591,7 +592,7 @@ start_subfile (const char *name, const char *dirname)
}
/* Initialize the debug format string to NULL. We may supply it
later via a call to record_debugformat. */
later via a call to record_debugformat. */
subfile->debugformat = NULL;
/* Similarly for the producer. */
@ -633,7 +634,7 @@ start_subfile (const char *name, const char *dirname)
value to dirname and remembering the new name. Some sanity
checking is performed to ensure that the state of the subfile
struct is reasonable and that the old name we are assuming to be a
directory name actually is (by checking for a trailing '/'). */
directory name actually is (by checking for a trailing '/'). */
void
patch_subfile_names (struct subfile *subfile, char *name)
@ -654,7 +655,7 @@ patch_subfile_names (struct subfile *subfile, char *name)
are allocated we try to deduce a language then as well, but
it is too late for us to use that information while reading
symbols, since symtabs aren't allocated until after all the
symbols have been processed for a given source file. */
symbols have been processed for a given source file. */
subfile->language = deduce_language_from_filename (subfile->name);
if (subfile->language == language_unknown
@ -680,7 +681,8 @@ push_subfile (void)
subfile_stack = tem;
if (current_subfile == NULL || current_subfile->name == NULL)
{
internal_error (__FILE__, __LINE__, _("failed internal consistency check"));
internal_error (__FILE__, __LINE__,
_("failed internal consistency check"));
}
tem->name = current_subfile->name;
}
@ -825,14 +827,14 @@ start_symtab (char *name, char *dirname, CORE_ADDR start_addr)
start_subfile (name, dirname);
}
/* Subroutine of end_symtab to simplify it.
Look for a subfile that matches the main source file's basename.
If there is only one, and if the main source file doesn't have any
symbol or line number information, then copy this file's symtab and
line_vector to the main source file's subfile and discard the other subfile.
This can happen because of a compiler bug or from the user playing games
with #line or from things like a distributed build system that manipulates
the debug info. */
/* Subroutine of end_symtab to simplify it. Look for a subfile that
matches the main source file's basename. If there is only one, and
if the main source file doesn't have any symbol or line number
information, then copy this file's symtab and line_vector to the
main source file's subfile and discard the other subfile. This can
happen because of a compiler bug or from the user playing games
with #line or from things like a distributed build system that
manipulates the debug info. */
static void
watch_main_source_file_lossage (void)
@ -849,10 +851,12 @@ watch_main_source_file_lossage (void)
mainsub = subfile;
}
/* If the main source file doesn't have any line number or symbol info,
look for an alias in another subfile.
We have to watch for mainsub == NULL here. It's a quirk of end_symtab,
it can return NULL so there may not be a main subfile. */
/* If the main source file doesn't have any line number or symbol
info, look for an alias in another subfile.
We have to watch for mainsub == NULL here. It's a quirk of
end_symtab, it can return NULL so there may not be a main
subfile. */
if (mainsub
&& mainsub->line_vector == NULL
@ -928,7 +932,7 @@ block_compar (const void *ap, const void *bp)
TAG_compile_unit DIE. This can happen when we link in an object
file that was compiled from an empty source file. Returning NULL
is probably not the correct thing to do, because then gdb will
never know about this empty file (FIXME). */
never know about this empty file (FIXME). */
struct symtab *
end_symtab (CORE_ADDR end_addr, struct objfile *objfile, int section)
@ -1017,10 +1021,10 @@ end_symtab (CORE_ADDR end_addr, struct objfile *objfile, int section)
{
/* Define the STATIC_BLOCK & GLOBAL_BLOCK, and build the
blockvector. */
finish_block (0, &file_symbols, 0, last_source_start_addr, end_addr,
objfile);
finish_block (0, &global_symbols, 0, last_source_start_addr, end_addr,
objfile);
finish_block (0, &file_symbols, 0, last_source_start_addr,
end_addr, objfile);
finish_block (0, &global_symbols, 0, last_source_start_addr,
end_addr, objfile);
blockvector = make_blockvector (objfile);
}
@ -1041,7 +1045,7 @@ end_symtab (CORE_ADDR end_addr, struct objfile *objfile, int section)
int linetablesize = 0;
symtab = NULL;
/* If we have blocks of symbols, make a symtab. Otherwise, just
/* If we have blocks of symbols, make a symtab. Otherwise, just
ignore this file and any line number info in it. */
if (blockvector)
{
@ -1070,7 +1074,7 @@ end_symtab (CORE_ADDR end_addr, struct objfile *objfile, int section)
symtab->macro_table = pending_macros;
if (subfile->line_vector)
{
/* Reallocate the line table on the symbol obstack */
/* Reallocate the line table on the symbol obstack. */
symtab->linetable = (struct linetable *)
obstack_alloc (&objfile->objfile_obstack, linetablesize);
memcpy (symtab->linetable, subfile->line_vector, linetablesize);
@ -1082,7 +1086,7 @@ end_symtab (CORE_ADDR end_addr, struct objfile *objfile, int section)
symtab->block_line_section = section;
if (subfile->dirname)
{
/* Reallocate the dirname on the symbol obstack */
/* Reallocate the dirname on the symbol obstack. */
symtab->dirname = (char *)
obstack_alloc (&objfile->objfile_obstack,
strlen (subfile->dirname) + 1);
@ -1100,10 +1104,10 @@ end_symtab (CORE_ADDR end_addr, struct objfile *objfile, int section)
from the filename. We already did our own deducing when
we created the subfile, and we may have altered our
opinion of what language it is from things we found in
the symbols. */
the symbols. */
symtab->language = subfile->language;
/* Save the debug format string (if any) in the symtab */
/* Save the debug format string (if any) in the symtab. */
if (subfile->debugformat != NULL)
{
symtab->debugformat = obsavestring (subfile->debugformat,
@ -1190,8 +1194,8 @@ end_symtab (CORE_ADDR end_addr, struct objfile *objfile, int section)
struct symbol *sym;
struct dict_iterator iter;
/* Inlined functions may have symbols not in the global or static
symbol lists. */
/* Inlined functions may have symbols not in the global or
static symbol lists. */
if (BLOCK_FUNCTION (block) != NULL)
if (SYMBOL_SYMTAB (BLOCK_FUNCTION (block)) == NULL)
SYMBOL_SYMTAB (BLOCK_FUNCTION (block)) = symtab;
@ -1250,7 +1254,7 @@ push_context (int desc, CORE_ADDR valu)
}
/* Pop a context block. Returns the address of the context block just
popped. */
popped. */
struct context_stack *
pop_context (void)
@ -1261,7 +1265,7 @@ pop_context (void)
/* Compute a small integer hash code for the given name. */
/* Compute a small integer hash code for the given name. */
int
hashname (char *name)
@ -1293,7 +1297,7 @@ record_producer (const char *producer)
free_pendings list. Caller must set SRCLIST to a null list after
calling this function.
Void return. */
Void return. */
void
merge_symbol_lists (struct pending **srclist, struct pending **targetlist)