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2003-11-07 Michael Chastain <mec@shout.net> 

* symtab.h (struct minimal_symbol): Add size.
	* dbxread.c: Use it.
	* elfread.c: (record_minimal_symbol_and_info): Do not use info.
	Rename to record_minimal_symbol.
	(elf_symtab_read): Set MSYMBOL_SIZE explicitly.
	* minsyms.c (prim_record_minimal_symbol_and_info): Initialize MSYMBOL_SIZE.
	(install_minimal_symbols): Ditto.
	* objfiles.c (terminate_minimal_symbol_table): Ditto.
	* arm-tdep.c: Delete unused MSYMBOL_SIZE.
	* m68hc11-tdep.c: Ditto.
	* mips-tdep.c: Ditto.
	* sh64-tdep.c: Ditto.
This commit is contained in:
Michael Chastain 2003-11-11 20:04:52 +00:00
parent d9407aaa54
commit f594e5e9c9
10 changed files with 46 additions and 50 deletions
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15
gdb/ChangeLog
View File

@ -1,3 +1,18 @@
2003-11-07 Michael Chastain <mec@shout.net>
* symtab.h (struct minimal_symbol): Add size.
* dbxread.c: Use it.
* elfread.c: (record_minimal_symbol_and_info): Do not use info.
Rename to record_minimal_symbol.
(elf_symtab_read): Set MSYMBOL_SIZE explicitly.
* minsyms.c (prim_record_minimal_symbol_and_info): Initialize MSYMBOL_SIZE.
(install_minimal_symbols): Ditto.
* objfiles.c (terminate_minimal_symbol_table): Ditto.
* arm-tdep.c: Delete unused MSYMBOL_SIZE.
* m68hc11-tdep.c: Ditto.
* mips-tdep.c: Ditto.
* sh64-tdep.c: Ditto.
2003-11-10 Michael Chastain <mec.gnu@mindspring.com>
* MAINTAINERS: Change my e-mail address.

12
gdb/arm-tdep.c
View File

@ -81,15 +81,10 @@ static int arm_debug;
/* Macros for setting and testing a bit in a minimal symbol that marks
it as Thumb function. The MSB of the minimal symbol's "info" field
is used for this purpose. This field is already being used to store
the symbol size, so the assumption is that the symbol size cannot
exceed 2^31.
is used for this purpose.
MSYMBOL_SET_SPECIAL Actually sets the "special" bit.
MSYMBOL_IS_SPECIAL Tests the "special" bit in a minimal symbol.
MSYMBOL_SIZE Returns the size of the minimal symbol,
i.e. the "info" field with the "special" bit
masked out. */
MSYMBOL_IS_SPECIAL Tests the "special" bit in a minimal symbol. */
#define MSYMBOL_SET_SPECIAL(msym) \
MSYMBOL_INFO (msym) = (char *) (((long) MSYMBOL_INFO (msym)) \
@ -98,9 +93,6 @@ static int arm_debug;
#define MSYMBOL_IS_SPECIAL(msym) \
(((long) MSYMBOL_INFO (msym) & 0x80000000) != 0)
#define MSYMBOL_SIZE(msym) \
((long) MSYMBOL_INFO (msym) & 0x7fffffff)
/* The list of available "set arm ..." and "show arm ..." commands. */
static struct cmd_list_element *setarmcmdlist = NULL;
static struct cmd_list_element *showarmcmdlist = NULL;

8
gdb/dbxread.c
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@ -64,14 +64,6 @@
#include "aout/stab_gnu.h" /* We always use GNU stabs, not native, now */
/* This macro returns the size field of a minimal symbol, which is normally
stored in the "info" field. The macro can be overridden for specific
targets (e.g. MIPS16) that use the info field for other purposes. */
#ifndef MSYMBOL_SIZE
#define MSYMBOL_SIZE(msym) ((long) MSYMBOL_INFO (msym))
#endif
/* We put a pointer to this structure in the read_symtab_private field
of the psymtab. */

25
gdb/elfread.c
View File

@ -105,15 +105,15 @@ elf_locate_sections (bfd *ignore_abfd, asection *sectp, void *eip)
}
static struct minimal_symbol *
record_minimal_symbol_and_info (char *name, CORE_ADDR address,
enum minimal_symbol_type ms_type, char *info, /* FIXME, is this really char *? */
asection *bfd_section, struct objfile *objfile)
record_minimal_symbol (char *name, CORE_ADDR address,
enum minimal_symbol_type ms_type,
asection *bfd_section, struct objfile *objfile)
{
if (ms_type == mst_text || ms_type == mst_file_text)
address = SMASH_TEXT_ADDRESS (address);
return prim_record_minimal_symbol_and_info
(name, address, ms_type, info, bfd_section->index, bfd_section, objfile);
(name, address, ms_type, NULL, bfd_section->index, bfd_section, objfile);
}
/*
@ -163,7 +163,6 @@ elf_symtab_read (struct objfile *objfile, int dynamic)
char *filesymname = obsavestring ("", 0, &objfile->symbol_obstack);
#endif
struct dbx_symfile_info *dbx = objfile->sym_stab_info;
unsigned long size;
int stripped = (bfd_get_symcount (objfile->obfd) == 0);
if (dynamic)
@ -223,9 +222,9 @@ elf_symtab_read (struct objfile *objfile, int dynamic)
if (symaddr == 0)
continue;
symaddr += offset;
msym = record_minimal_symbol_and_info
msym = record_minimal_symbol
((char *) sym->name, symaddr,
mst_solib_trampoline, NULL, sym->section, objfile);
mst_solib_trampoline, sym->section, objfile);
#ifdef SOFUN_ADDRESS_MAYBE_MISSING
if (msym != NULL)
msym->filename = filesymname;
@ -436,11 +435,15 @@ elf_symtab_read (struct objfile *objfile, int dynamic)
/* ms_type = mst_unknown; */
continue; /* Skip this symbol. */
}
/* Pass symbol size field in via BFD. FIXME!!! */
size = ((elf_symbol_type *) sym)->internal_elf_sym.st_size;
msym = record_minimal_symbol_and_info
msym = record_minimal_symbol
((char *) sym->name, symaddr,
ms_type, (void *) size, sym->section, objfile);
ms_type, sym->section, objfile);
if (msym)
{
/* Pass symbol size field in via BFD. FIXME!!! */
unsigned long size = ((elf_symbol_type *) sym)->internal_elf_sym.st_size;
MSYMBOL_SIZE(msym) = size;
}
#ifdef SOFUN_ADDRESS_MAYBE_MISSING
if (msym != NULL)
msym->filename = filesymname;

10
gdb/m68hc11-tdep.c
View File

@ -50,16 +50,11 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
analysis to compute correct stack frame layout.
The MSB of the minimal symbol's "info" field is used for this purpose.
This field is already being used to store the symbol size, so the
assumption is that the symbol size cannot exceed 2^30.
MSYMBOL_SET_RTC Actually sets the "RTC" bit.
MSYMBOL_SET_RTI Actually sets the "RTI" bit.
MSYMBOL_IS_RTC Tests the "RTC" bit in a minimal symbol.
MSYMBOL_IS_RTI Tests the "RTC" bit in a minimal symbol.
MSYMBOL_SIZE Returns the size of the minimal symbol,
i.e. the "info" field with the "special" bit
masked out. */
MSYMBOL_IS_RTI Tests the "RTC" bit in a minimal symbol. */
#define MSYMBOL_SET_RTC(msym) \
MSYMBOL_INFO (msym) = (char *) (((long) MSYMBOL_INFO (msym)) \
@ -75,9 +70,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
#define MSYMBOL_IS_RTI(msym) \
(((long) MSYMBOL_INFO (msym) & 0x40000000) != 0)
#define MSYMBOL_SIZE(msym) \
((long) MSYMBOL_INFO (msym) & 0x3fffffff)
enum insn_return_kind {
RETURN_RTS,
RETURN_RTC,

2
gdb/minsyms.c
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@ -611,6 +611,7 @@ prim_record_minimal_symbol_and_info (const char *name, CORE_ADDR address,
MSYMBOL_TYPE (msymbol) = ms_type;
/* FIXME: This info, if it remains, needs its own field. */
MSYMBOL_INFO (msymbol) = info; /* FIXME! */
MSYMBOL_SIZE (msymbol) = 0;
/* The hash pointers must be cleared! If they're not,
add_minsym_to_hash_table will NOT add this msymbol to the hash table. */
@ -890,6 +891,7 @@ install_minimal_symbols (struct objfile *objfile)
SYMBOL_LINKAGE_NAME (&msymbols[mcount]) = NULL;
SYMBOL_VALUE_ADDRESS (&msymbols[mcount]) = 0;
MSYMBOL_INFO (&msymbols[mcount]) = NULL;
MSYMBOL_SIZE (&msymbols[mcount]) = 0;
MSYMBOL_TYPE (&msymbols[mcount]) = mst_unknown;
SYMBOL_INIT_LANGUAGE_SPECIFIC (&msymbols[mcount], language_unknown);

8
gdb/mips-tdep.c
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@ -226,17 +226,13 @@ mips_saved_regsize (void)
/* Functions for setting and testing a bit in a minimal symbol that
marks it as 16-bit function. The MSB of the minimal symbol's
"info" field is used for this purpose. This field is already
being used to store the symbol size, so the assumption is
that the symbol size cannot exceed 2^31.
"info" field is used for this purpose.
ELF_MAKE_MSYMBOL_SPECIAL tests whether an ELF symbol is "special",
i.e. refers to a 16-bit function, and sets a "special" bit in a
minimal symbol to mark it as a 16-bit function
MSYMBOL_IS_SPECIAL tests the "special" bit in a minimal symbol
MSYMBOL_SIZE returns the size of the minimal symbol, i.e.
the "info" field with the "special" bit masked out */
MSYMBOL_IS_SPECIAL tests the "special" bit in a minimal symbol */
static void
mips_elf_make_msymbol_special (asymbol *sym, struct minimal_symbol *msym)

1
gdb/objfiles.c
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@ -386,6 +386,7 @@ terminate_minimal_symbol_table (struct objfile *objfile)
DEPRECATED_SYMBOL_NAME (m) = NULL;
SYMBOL_VALUE_ADDRESS (m) = 0;
MSYMBOL_INFO (m) = NULL;
MSYMBOL_SIZE (m) = 0;
MSYMBOL_TYPE (m) = mst_unknown;
SYMBOL_INIT_LANGUAGE_SPECIFIC (m, language_unknown);
}

8
gdb/sh64-tdep.c
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@ -197,17 +197,13 @@ sh_sh64_register_name (int reg_nr)
/* Macros and functions for setting and testing a bit in a minimal
symbol that marks it as 32-bit function. The MSB of the minimal
symbol's "info" field is used for this purpose. This field is
already being used to store the symbol size, so the assumption is
that the symbol size cannot exceed 2^31.
symbol's "info" field is used for this purpose.
ELF_MAKE_MSYMBOL_SPECIAL
tests whether an ELF symbol is "special", i.e. refers
to a 32-bit function, and sets a "special" bit in a
minimal symbol to mark it as a 32-bit function
MSYMBOL_IS_SPECIAL tests the "special" bit in a minimal symbol
MSYMBOL_SIZE returns the size of the minimal symbol, i.e.
the "info" field with the "special" bit masked out */
MSYMBOL_IS_SPECIAL tests the "special" bit in a minimal symbol */
#define MSYMBOL_IS_SPECIAL(msym) \
(((long) MSYMBOL_INFO (msym) & 0x80000000) != 0)

7
gdb/symtab.h
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@ -325,6 +325,12 @@ struct minimal_symbol
char *info;
/* Size of this symbol. end_psymtab in dbxread.c uses this
information to calculate the end of the partial symtab based on the
address of the last symbol plus the size of the last symbol. */
unsigned long size;
#ifdef SOFUN_ADDRESS_MAYBE_MISSING
/* Which source file is this symbol in? Only relevant for mst_file_*. */
char *filename;
@ -346,6 +352,7 @@ struct minimal_symbol
};
#define MSYMBOL_INFO(msymbol) (msymbol)->info
#define MSYMBOL_SIZE(msymbol) (msymbol)->size
#define MSYMBOL_TYPE(msymbol) (msymbol)->type