Pull in some of the changes from tm-arm.h so that arm-tdep.h will build.
This commit is contained in:
mark
parent
fa19ef01d6
commit
bd05af74ef
121
gnu/dist/gdb/config/arm/tm-armnbsd.h
vendored
121
gnu/dist/gdb/config/arm/tm-armnbsd.h
vendored
@ -17,6 +17,11 @@ You should have received a copy of the GNU General Public License
|
||||
along with this program; if not, write to the Free Software
|
||||
Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||||
|
||||
#ifdef __STDC__ /* Forward decls for prototypes */
|
||||
struct type;
|
||||
struct value;
|
||||
#endif
|
||||
|
||||
#define TARGET_BYTE_ORDER_SELECTABLE
|
||||
#define TARGET_BYTE_ORDER_DEFAULT LITTLE_ENDIAN
|
||||
|
||||
@ -24,7 +29,23 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||||
|
||||
#define IEEE_FLOAT
|
||||
|
||||
#define ADDR_BITS_REMOVE(val) ((val) & ~3)
|
||||
/* FIXME: may need a floatformat_ieee_double_bigbyte_littleword format for
|
||||
BIG_ENDIAN use. -fnf */
|
||||
|
||||
#define TARGET_DOUBLE_FORMAT (target_byte_order == BIG_ENDIAN \
|
||||
? &floatformat_ieee_double_big \
|
||||
: &floatformat_ieee_double_littlebyte_bigword)
|
||||
|
||||
/* When reading symbols, we need to zap the low bit of the address, which
|
||||
may be set to 1 for Thumb functions. */
|
||||
|
||||
#define SMASH_TEXT_ADDRESS(addr) ((addr) &= ~0x1)
|
||||
|
||||
/* Remove useless bits from addresses in a running program. */
|
||||
|
||||
CORE_ADDR arm_addr_bits_remove PARAMS ((CORE_ADDR));
|
||||
|
||||
#define ADDR_BITS_REMOVE(val) (arm_addr_bits_remove (val))
|
||||
|
||||
/* Offset from address of function to start of its code.
|
||||
Zero on most machines. */
|
||||
@ -34,14 +55,20 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||||
/* Advance PC across any function entry prologue instructions
|
||||
to reach some "real" code. */
|
||||
|
||||
#define SKIP_PROLOGUE(pc) pc = skip_prologue(pc)
|
||||
extern CORE_ADDR arm_skip_prologue PARAMS ((CORE_ADDR pc));
|
||||
|
||||
#define SKIP_PROLOGUE(pc) { pc = arm_skip_prologue (pc); }
|
||||
|
||||
|
||||
/* Immediately after a function call, return the saved pc.
|
||||
Can't always go through the frames for this because on some machines
|
||||
the new frame is not set up until the new function executes
|
||||
some instructions. */
|
||||
|
||||
#define SAVED_PC_AFTER_CALL(frame) (ADDR_BITS_REMOVE (read_register (LR_REGNUM)))
|
||||
#define SAVED_PC_AFTER_CALL(frame) arm_saved_pc_after_call (frame)
|
||||
struct frame_info;
|
||||
extern CORE_ADDR arm_saved_pc_after_call PARAMS ((struct frame_info *));
|
||||
|
||||
|
||||
/* I don't know the real values for these. */
|
||||
#define TARGET_UPAGES UPAGES
|
||||
@ -62,7 +89,22 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||||
this is the same size as a handle - otherwise remote-rdp will
|
||||
have to change. */
|
||||
|
||||
#define BREAKPOINT {0x11,0x00,0x00,0xe6} /* riscbsd kgdb: breakpoint is undefined instruction */
|
||||
#define ARM_BREAKPOINT {0x11,0x00,0x00,0xe6} /* netbsd kgdb: breakpoint is undefined instruction */
|
||||
#define THUMB_BREAKPOINT {0x18,0xdf} /* swi 24 */
|
||||
|
||||
/* The following macro has been superseded by BREAKPOINT_FOR_PC, but
|
||||
is defined merely to keep mem-break.c happy. */
|
||||
#define BREAKPOINT ARM_BREAKPOINT
|
||||
|
||||
/* BREAKPOINT_FROM_PC uses the program counter value to determine whether a
|
||||
16- or 32-bit breakpoint should be used. It returns a pointer
|
||||
to a string of bytes that encode a breakpoint instruction, stores
|
||||
the length of the string to *lenptr, and adjusts the pc (if necessary) to
|
||||
point to the actual memory location where the breakpoint should be
|
||||
inserted. */
|
||||
|
||||
unsigned char * arm_breakpoint_from_pc PARAMS ((CORE_ADDR * pcptr, int * lenptr));
|
||||
#define BREAKPOINT_FROM_PC(pcptr, lenptr) arm_breakpoint_from_pc (pcptr, lenptr)
|
||||
|
||||
/* Amount PC must be decremented by after a breakpoint.
|
||||
This is often the number of bytes in BREAKPOINT
|
||||
@ -138,16 +180,27 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||||
to be actual register numbers as far as the user is concerned
|
||||
but do serve to get the desired values when passed to read_register. */
|
||||
|
||||
#define A1_REGNUM 0 /* first integer-like argument */
|
||||
#define A4_REGNUM 3 /* last integer-like argument */
|
||||
#define AP_REGNUM 11
|
||||
#define FP_REGNUM 11 /* Contains address of executing stack frame */
|
||||
#define SP_REGNUM 13 /* Contains address of top of stack */
|
||||
#define LR_REGNUM 14 /* address to return to from a function call */
|
||||
#define PC_REGNUM 15 /* Contains program counter */
|
||||
#define F0_REGNUM 16 /* first floating point register */
|
||||
#define F3_REGNUM 19 /* last floating point argument register */
|
||||
#define F7_REGNUM 23 /* last floating point register */
|
||||
#define FPS_REGNUM 24 /* floating point status register */
|
||||
#define PS_REGNUM 25 /* Contains processor status */
|
||||
|
||||
#define THUMB_FP_REGNUM 7 /* R7 is frame register on Thumb */
|
||||
|
||||
#define ARM_NUM_ARG_REGS 4
|
||||
#define ARM_LAST_ARG_REGNUM A4_REGNUM
|
||||
#define ARM_NUM_FP_ARG_REGS 4
|
||||
#define ARM_LAST_FP_ARG_REGNUM F3_REGNUM
|
||||
|
||||
/* Instruction condition field values. */
|
||||
#define INST_EQ 0x00000000
|
||||
#define INST_NE 0x10000000
|
||||
#define INST_CS 0x20000000
|
||||
@ -272,6 +325,25 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||||
#define VARIABLES_INSIDE_BLOCK(desc, gcc_p) (!(gcc_p))
|
||||
|
||||
|
||||
/* Define other aspects of the stack frame.
|
||||
We keep the offsets of all saved registers, 'cause we need 'em a lot!
|
||||
We also keep the current size of the stack frame, and the offset of
|
||||
the frame pointer from the stack pointer (for frameless functions, and
|
||||
when we're still in the prologue of a function with a frame) */
|
||||
|
||||
#define EXTRA_FRAME_INFO \
|
||||
struct frame_saved_regs fsr; \
|
||||
int framesize; \
|
||||
int frameoffset; \
|
||||
int framereg;
|
||||
|
||||
extern void arm_init_extra_frame_info PARAMS ((struct frame_info *fi));
|
||||
#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) arm_init_extra_frame_info (fi)
|
||||
|
||||
/* Return the frame address. On ARM, it is R11; on Thumb it is R7. */
|
||||
CORE_ADDR arm_target_read_fp PARAMS ((void));
|
||||
#define TARGET_READ_FP() arm_target_read_fp ()
|
||||
|
||||
/* Describe the pointer in each stack frame to the previous stack frame
|
||||
(its caller). */
|
||||
|
||||
@ -281,15 +353,15 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||||
However, if FRAME_CHAIN_VALID returns zero,
|
||||
it means the given frame is the outermost one and has no caller. */
|
||||
|
||||
/* In the case of the ARM, the frame's nominal address is the FP value,
|
||||
and 12 bytes before comes the saved previous FP value as a 4-byte word. */
|
||||
#define FRAME_CHAIN(thisframe) (CORE_ADDR) arm_frame_chain (thisframe)
|
||||
extern CORE_ADDR arm_frame_chain PARAMS ((struct frame_info *));
|
||||
|
||||
#define LOWEST_PC 0x20 /* the first 0x20 bytes are the trap vectors. */
|
||||
|
||||
#define FRAME_CHAIN(thisframe) \
|
||||
/*#define FRAME_CHAIN(thisframe) \
|
||||
((thisframe)->pc >= LOWEST_PC ? \
|
||||
read_memory_integer ((thisframe)->frame - 12, 4) :\
|
||||
0)
|
||||
0)*/
|
||||
|
||||
#define FRAME_CHAIN_VALID(chain, thisframe) \
|
||||
(chain != 0 && (FRAME_SAVED_PC (thisframe) >= LOWEST_PC))
|
||||
@ -311,8 +383,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||||
|
||||
/* Saved Pc. */
|
||||
|
||||
#define FRAME_SAVED_PC(FRAME) \
|
||||
ADDR_BITS_REMOVE (read_memory_integer ((FRAME)->frame - 4, 4))
|
||||
#define FRAME_SAVED_PC(FRAME) arm_frame_saved_pc (FRAME)
|
||||
extern CORE_ADDR arm_frame_saved_pc PARAMS ((struct frame_info *));
|
||||
|
||||
#define FRAME_ARGS_ADDRESS(fi) (fi->frame)
|
||||
|
||||
@ -333,6 +405,10 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||||
ways in the stack frame. sp is even more special:
|
||||
the address we return for it IS the sp for the next frame. */
|
||||
|
||||
struct frame_saved_regs;
|
||||
struct frame_info;
|
||||
void frame_find_saved_regs PARAMS((struct frame_info *fi,
|
||||
struct frame_saved_regs *fsr));
|
||||
|
||||
#define FRAME_FIND_SAVED_REGS(frame_info, frame_saved_regs) \
|
||||
arm_frame_find_saved_regs (frame_info, &(frame_saved_regs));
|
||||
@ -340,8 +416,24 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||||
|
||||
/* Things needed for making the inferior call functions. */
|
||||
|
||||
#define PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr) \
|
||||
sp = arm_push_arguments ((nargs), (args), (sp), (struct_return), (struct_addr))
|
||||
extern CORE_ADDR
|
||||
arm_push_arguments PARAMS ((int, struct value **, CORE_ADDR, int, CORE_ADDR));
|
||||
|
||||
/* Push an empty stack frame, to record the current PC, etc. */
|
||||
|
||||
void arm_push_dummy_frame PARAMS ((void));
|
||||
|
||||
#define PUSH_DUMMY_FRAME arm_push_dummy_frame ()
|
||||
|
||||
/* Discard from the stack the innermost frame, restoring all registers. */
|
||||
|
||||
void arm_pop_frame PARAMS ((void));
|
||||
|
||||
#define POP_FRAME arm_pop_frame ()
|
||||
|
||||
#if 0
|
||||
#define PUSH_DUMMY_FRAME \
|
||||
{ \
|
||||
register CORE_ADDR sp = read_register (SP_REGNUM); \
|
||||
@ -380,6 +472,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||||
} \
|
||||
flush_cached_frames (); \
|
||||
}
|
||||
#endif
|
||||
|
||||
/* This sequence of words is the instructions. We use this rather than bl
|
||||
becuase the code segment may not be reachable from the stack.
|
||||
@ -423,10 +516,16 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
||||
|
||||
CORE_ADDR arm_get_next_pc PARAMS ((CORE_ADDR));
|
||||
|
||||
/* Function to determine whether MEMADDR is in a Thumb function. */
|
||||
extern int arm_pc_is_thumb PARAMS ((bfd_vma memaddr));
|
||||
|
||||
/* Function to determine whether MEMADDR is in a call dummy called from
|
||||
a Thumb function. */
|
||||
extern int arm_pc_is_thumb_dummy PARAMS ((bfd_vma memaddr));
|
||||
|
||||
/*
|
||||
* ARM processors don't have any single step facility
|
||||
* and the NetBSD/arm32 kernel does not simulate one.
|
||||
*/
|
||||
|
||||
#define NO_SINGLE_STEP 1
|
||||
extern void single_step PARAMS ((int));
|
||||
|
||||
Loading…
Reference in New Issue
Block a user