mirror of
https://sourceware.org/git/binutils-gdb.git
synced 2025-01-22 16:03:31 +08:00
* arm-tdep.c: Include elf-bfd.h and coff/internal.h.
(MSYMBOL_SET_SPECIAL, MSYMBOL_IS_SPECIAL, MSYMBOL_SIZE): Move defines to here from config/tm-arm.h. (coff_sym_is_thumb): Make static. (arm_elf_make_msymbol_special): New function. (arm_coff_make_msymbol_special): New function. * config/arm/tm-arm.h (MSYMBOL_SET_SPECIAL): Delete definition. (MSYMBOL_IS_SPECIAL, MSYMBOL_SIZE): Likewise. (coff_sym_is_thumb): Delete declaration. (arm_elf_make_msymbol_special): Declare. (arm_coff_make_msymbol_special): Declare. (ELF_MAKE_MSYMBOL_SPECIAL): Call arm_elf_make_msymbol_special. (COFF_MAKE_MSYMBOL_SPECIAL): Call arm_coff_make_msymbol_special.
This commit is contained in:
Richard Earnshaw
parent
039c576668
commit
082fc60dfc
@ -1,3 +1,19 @@
|
||||
2002-02-06 Richard Earnshaw <rearnsha@arm.com>
|
||||
|
||||
* arm-tdep.c: Include elf-bfd.h and coff/internal.h.
|
||||
(MSYMBOL_SET_SPECIAL, MSYMBOL_IS_SPECIAL, MSYMBOL_SIZE): Move defines
|
||||
to here from config/tm-arm.h.
|
||||
(coff_sym_is_thumb): Make static.
|
||||
(arm_elf_make_msymbol_special): New function.
|
||||
(arm_coff_make_msymbol_special): New function.
|
||||
* config/arm/tm-arm.h (MSYMBOL_SET_SPECIAL): Delete definition.
|
||||
(MSYMBOL_IS_SPECIAL, MSYMBOL_SIZE): Likewise.
|
||||
(coff_sym_is_thumb): Delete declaration.
|
||||
(arm_elf_make_msymbol_special): Declare.
|
||||
(arm_coff_make_msymbol_special): Declare.
|
||||
(ELF_MAKE_MSYMBOL_SPECIAL): Call arm_elf_make_msymbol_special.
|
||||
(COFF_MAKE_MSYMBOL_SPECIAL): Call arm_coff_make_msymbol_special.
|
||||
|
||||
2002-02-06 Richard Earnshaw <rearnsha@arm.com>
|
||||
|
||||
* arm-tdep.c (arm_software_single_step): ANSIfy function declaration.
|
||||
|
||||
@ -33,6 +33,8 @@
|
||||
#include "doublest.h"
|
||||
#include "value.h"
|
||||
#include "solib-svr4.h"
|
||||
#include "elf-bfd.h"
|
||||
#include "coff/internal.h"
|
||||
|
||||
/* Each OS has a different mechanism for accessing the various
|
||||
registers stored in the sigcontext structure.
|
||||
@ -64,7 +66,27 @@
|
||||
#define SIGCONTEXT_REGISTER_ADDRESS_P() 0
|
||||
#endif
|
||||
|
||||
extern void _initialize_arm_tdep (void);
|
||||
/* 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.
|
||||
|
||||
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. */
|
||||
|
||||
#define MSYMBOL_SET_SPECIAL(msym) \
|
||||
MSYMBOL_INFO (msym) = (char *) (((long) MSYMBOL_INFO (msym)) \
|
||||
| 0x80000000)
|
||||
|
||||
#define MSYMBOL_IS_SPECIAL(msym) \
|
||||
(((long) MSYMBOL_INFO (msym) & 0x80000000) != 0)
|
||||
|
||||
#define MSYMBOL_SIZE(msym) \
|
||||
((long) MSYMBOL_INFO (msym) & 0x7fffffff)
|
||||
|
||||
/* Number of different reg name sets (options). */
|
||||
static int num_flavor_options;
|
||||
@ -2282,6 +2304,43 @@ arm_linux_svr4_fetch_link_map_offsets (void)
|
||||
return lmp;
|
||||
}
|
||||
|
||||
/* Test whether the coff symbol specific value corresponds to a Thumb
|
||||
function. */
|
||||
|
||||
static int
|
||||
coff_sym_is_thumb (int val)
|
||||
{
|
||||
return (val == C_THUMBEXT ||
|
||||
val == C_THUMBSTAT ||
|
||||
val == C_THUMBEXTFUNC ||
|
||||
val == C_THUMBSTATFUNC ||
|
||||
val == C_THUMBLABEL);
|
||||
}
|
||||
|
||||
/* arm_coff_make_msymbol_special()
|
||||
arm_elf_make_msymbol_special()
|
||||
|
||||
These functions test whether the COFF or ELF symbol corresponds to
|
||||
an address in thumb code, and set a "special" bit in a minimal
|
||||
symbol to indicate that it does. */
|
||||
|
||||
void
|
||||
arm_elf_make_msymbol_special(asymbol *sym, struct minimal_symbol *msym)
|
||||
{
|
||||
/* Thumb symbols are of type STT_LOPROC, (synonymous with
|
||||
STT_ARM_TFUNC). */
|
||||
if (ELF_ST_TYPE (((elf_symbol_type *)sym)->internal_elf_sym.st_info)
|
||||
== STT_LOPROC)
|
||||
MSYMBOL_SET_SPECIAL (msym);
|
||||
}
|
||||
|
||||
void
|
||||
arm_coff_make_msymbol_special(int val, struct minimal_symbol *msym)
|
||||
{
|
||||
if (coff_sym_is_thumb (val))
|
||||
MSYMBOL_SET_SPECIAL (msym);
|
||||
}
|
||||
|
||||
void
|
||||
_initialize_arm_tdep (void)
|
||||
{
|
||||
@ -2359,16 +2418,3 @@ The valid values are:\n");
|
||||
prologue_cache.saved_regs = (CORE_ADDR *)
|
||||
xcalloc (1, SIZEOF_FRAME_SAVED_REGS);
|
||||
}
|
||||
|
||||
/* Test whether the coff symbol specific value corresponds to a Thumb
|
||||
function. */
|
||||
|
||||
int
|
||||
coff_sym_is_thumb (int val)
|
||||
{
|
||||
return (val == C_THUMBEXT ||
|
||||
val == C_THUMBSTAT ||
|
||||
val == C_THUMBEXTFUNC ||
|
||||
val == C_THUMBSTATFUNC ||
|
||||
val == C_THUMBLABEL);
|
||||
}
|
||||
|
||||
@ -409,42 +409,16 @@ void arm_software_single_step (int, int);
|
||||
|
||||
CORE_ADDR arm_get_next_pc (CORE_ADDR pc);
|
||||
|
||||
/* 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.
|
||||
|
||||
COFF_MAKE_MSYMBOL_SPECIAL
|
||||
ELF_MAKE_MSYMBOL_SPECIAL
|
||||
|
||||
These macros test whether the COFF or ELF symbol corresponds to a
|
||||
thumb function, and set a "special" bit in a minimal symbol to
|
||||
indicate that it does.
|
||||
|
||||
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
|
||||
*/
|
||||
struct minimal_symbol;
|
||||
|
||||
extern int coff_sym_is_thumb (int val);
|
||||
void arm_elf_make_msymbol_special(asymbol *, struct minimal_symbol *);
|
||||
#define ELF_MAKE_MSYMBOL_SPECIAL(SYM,MSYM) \
|
||||
arm_elf_make_msymbol_special (SYM, MSYM)
|
||||
|
||||
#define MSYMBOL_SET_SPECIAL(msym) \
|
||||
MSYMBOL_INFO (msym) = (char *) (((long) MSYMBOL_INFO (msym)) | 0x80000000)
|
||||
#define MSYMBOL_IS_SPECIAL(msym) \
|
||||
(((long) MSYMBOL_INFO (msym) & 0x80000000) != 0)
|
||||
#define MSYMBOL_SIZE(msym) \
|
||||
((long) MSYMBOL_INFO (msym) & 0x7fffffff)
|
||||
|
||||
/* Thumb symbols are of type STT_LOPROC, (synonymous with STT_ARM_TFUNC) */
|
||||
#define ELF_MAKE_MSYMBOL_SPECIAL(sym,msym) \
|
||||
{ if(ELF_ST_TYPE(((elf_symbol_type *)(sym))->internal_elf_sym.st_info) == STT_LOPROC) \
|
||||
MSYMBOL_SET_SPECIAL(msym); }
|
||||
|
||||
#define COFF_MAKE_MSYMBOL_SPECIAL(val,msym) \
|
||||
{ if(coff_sym_is_thumb(val)) MSYMBOL_SET_SPECIAL(msym); }
|
||||
void arm_coff_make_msymbol_special(int, struct minimal_symbol *);
|
||||
#define COFF_MAKE_MSYMBOL_SPECIAL(VAL,MSYM) \
|
||||
arm_coff_make_msymbol_special (VAL, MSYM)
|
||||
|
||||
/* The first 0x20 bytes are the trap vectors. */
|
||||
#define LOWEST_PC 0x20
|
||||
|
||||
Loading…
Reference in New Issue
Block a user