(struct type): Ditto.
(struct value): Ditto.
* config/mips/tm-mips.h (sigtramp_address): Move extern decl
from mips-tdep.c to here.
(sigtramp_end): Ditto.
(fixup_sigtramp): Ditto.
* config/mips/tm-mips.h (init_extra_frame_info): Add prototype.
(mips_frame_chain): Ditto.
(mips_step_skips_delay): Ditto.
(mips_frame_saved_pc): Ditto.
(mips_find_saved_regs): Ditto.
(mips_frame_num_args): Ditto.
(mips_pop_frame): Ditto.
(mips_extract_return_value): Ditto.
(mips_store_return_value): Ditto.
(mips_push_dummy_frame): Ditto.
(mips_push_arguments): Ditto.
(mips_do_registers_info): Ditto.
(ecoff_relocate_efi): Ditto.
(ecoff_relocate_efi): Ditto.
* irix4-nat.c (fetch_core_registers): Add prototype.
* mips-tdep.c (read_next_frame_reg): Add prototype
(heuristic_proc_start): Ditto.
(heuristic_proc_desc): Ditto.
(mips_print_register): Ditto.
* config/mips/nm-irix5.h (procfs_set_watchpoint): Add prototype.
(procfs_stopped_by_watchpoint): Ditto.
* config/mips/nm-irix4.h (procfs_set_watchpoint): Add prototype.
(procfs_stopped_by_watchpoint): Ditto.
* config/alpha/tm-alpha.h (ecoff_relocate_efi): Add prototype.
(struct symbol): Add forward decl for prototype.
* breakpoint.c (internal_breakpoint_number): Only needed if
GET_LONGJMP_TARGET or SOLIB_ADD is defined.
* objfiles.c (ecoff_relocate_efi): Remove prototype.
+Sun Jul 28 10:46:39 1996 Fred Fish <fnf@cygnus.com>
+
+ * config/mips/tm-mips.h (struct frame_info): Forward decl.
+ (struct type): Ditto.
+ (struct value): Ditto.
+
+ * config/mips/tm-mips.h (sigtramp_address): Move extern decl
+ from mips-tdep.c to here.
+ (sigtramp_end): Ditto.
+ (fixup_sigtramp): Ditto.
+
+ * config/mips/tm-mips.h (init_extra_frame_info): Add prototype.
+ (mips_frame_chain): Ditto.
+ (mips_step_skips_delay): Ditto.
+ (mips_frame_saved_pc): Ditto.
+ (mips_find_saved_regs): Ditto.
+ (mips_frame_num_args): Ditto.
+ (mips_pop_frame): Ditto.
+ (mips_extract_return_value): Ditto.
+ (mips_store_return_value): Ditto.
+ (mips_push_dummy_frame): Ditto.
+ (mips_push_arguments): Ditto.
+ (mips_do_registers_info): Ditto.
+ (ecoff_relocate_efi): Ditto.
+ (ecoff_relocate_efi): Ditto.
+ * irix4-nat.c (fetch_core_registers): Add prototype.
+ * mips-tdep.c (read_next_frame_reg): Add prototype
+ (heuristic_proc_start): Ditto.
+ (heuristic_proc_desc): Ditto.
+ (mips_print_register): Ditto.
+ * config/mips/nm-irix5.h (procfs_set_watchpoint): Add prototype.
+ (procfs_stopped_by_watchpoint): Ditto.
+ * config/mips/nm-irix4.h (procfs_set_watchpoint): Add prototype.
+ (procfs_stopped_by_watchpoint): Ditto.
+ * config/alpha/tm-alpha.h (ecoff_relocate_efi): Add prototype.
+ (struct symbol): Add forward decl for prototype.
+
+ * breakpoint.c (internal_breakpoint_number): Only needed if
+ GET_LONGJMP_TARGET or SOLIB_ADD is defined.
+
+ * objfiles.c (ecoff_relocate_efi): Remove prototype.
+
Sat Jul 27 17:47:35 1996 Fred Fish <fnf@cygnus.com>
* configure.in: Add test for "long long" support.
#define STOPPED_BY_WATCHPOINT(W) \
procfs_stopped_by_watchpoint(inferior_pid)
+extern int procfs_stopped_by_watchpoint PARAMS ((int));
#define HAVE_NONSTEPPABLE_WATCHPOINT
/* type can be 0: write watch, 1: read watch, 2: access watch (read/write) */
#define target_insert_watchpoint(addr, len, type) procfs_set_watchpoint (inferior_pid, addr, len, 2)
#define target_remove_watchpoint(addr, len, type) procfs_set_watchpoint (inferior_pid, addr, 0, 0)
+extern int procfs_set_watchpoint PARAMS ((int, CORE_ADDR, int, int));
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__
+struct frame_info;
+struct symbol;
+struct type;
+struct value;
+#endif
+
#include <bfd.h>
#include "coff/sym.h" /* Needed for PDR below. */
#include "coff/symconst.h"
/* Return non-zero if PC points to an instruction which will cause a step
to execute both the instruction at PC and an instruction at PC+4. */
#define STEP_SKIPS_DELAY(pc) (mips_step_skips_delay (pc))
+extern int mips_step_skips_delay PARAMS ((CORE_ADDR));
/* Immediately after a function call, return the saved pc.
Can't always go through the frames for this because on some machines
of register dumps. */
#define DO_REGISTERS_INFO(_regnum, fp) mips_do_registers_info(_regnum, fp)
+extern void mips_do_registers_info PARAMS ((int, int));
/* Total amount of space needed to store our copies of the machine's
register state, the array `registers'. */
#define EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \
mips_extract_return_value(TYPE, REGBUF, VALBUF)
+extern void
+mips_extract_return_value PARAMS ((struct type *, char [], char *));
/* Write into appropriate registers a function return value
of type TYPE, given in virtual format. */
#define STORE_RETURN_VALUE(TYPE,VALBUF) \
mips_store_return_value(TYPE, VALBUF)
+extern void mips_store_return_value PARAMS ((struct type *, char *));
/* Extract from an array REGBUF containing the (raw) register state
the address in which a function should return its structure value,
and produces the frame's chain-pointer. */
#define FRAME_CHAIN(thisframe) (CORE_ADDR) mips_frame_chain (thisframe)
+extern CORE_ADDR mips_frame_chain PARAMS ((struct frame_info *));
/* Define other aspects of the stack frame. */
/* Saved Pc. */
#define FRAME_SAVED_PC(FRAME) (mips_frame_saved_pc(FRAME))
+extern int mips_frame_saved_pc PARAMS ((struct frame_info *));
#define FRAME_ARGS_ADDRESS(fi) (fi)->frame
Can return -1, meaning no way to tell. */
#define FRAME_NUM_ARGS(num, fi) (num = mips_frame_num_args(fi))
+extern int mips_frame_num_args PARAMS ((struct frame_info *));
/* Return number of bytes at start of arglist that are not really args. */
(frame_saved_regs) = *(frame_info)->saved_regs; \
(frame_saved_regs).regs[SP_REGNUM] = (frame_info)->frame; \
} while (0)
+extern void mips_find_saved_regs PARAMS ((struct frame_info *));
\f
/* Things needed for making the inferior call functions. */
#define PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr) \
sp = mips_push_arguments(nargs, args, sp, struct_return, struct_addr)
+extern CORE_ADDR
+mips_push_arguments PARAMS ((int, struct value **, CORE_ADDR, int, CORE_ADDR));
/* Push an empty stack frame, to record the current PC, etc. */
#define PUSH_DUMMY_FRAME mips_push_dummy_frame()
+extern void mips_push_dummy_frame PARAMS ((void));
/* Discard from the stack the innermost frame, restoring all registers. */
#define POP_FRAME mips_pop_frame()
+extern void mips_pop_frame PARAMS ((void));
#define MK_OP(op,rs,rt,offset) (((op)<<26)|((rs)<<21)|((rt)<<16)|(offset))
#ifndef OP_LDFPR
mips_extra_func_info_t's off of this. */
#define MIPS_EFI_SYMBOL_NAME "__GDB_EFI_INFO__"
+extern void ecoff_relocate_efi PARAMS ((struct symbol *, CORE_ADDR));
/* Specific information about a procedure.
This overlays the MIPS's PDR records,
struct frame_saved_regs *saved_regs;
#define INIT_EXTRA_FRAME_INFO(fromleaf, fci) init_extra_frame_info(fci)
+extern void init_extra_frame_info PARAMS ((struct frame_info *));
#define PRINT_EXTRA_FRAME_INFO(fi) \
{ \
probably much more common. (FIXME). */
#define COERCE_FLOAT_TO_DOUBLE (current_language -> la_language == language_c)
+
+/* These are defined in mdebugread.c and are used in mips-tdep.c */
+extern CORE_ADDR sigtramp_address, sigtramp_end;
+extern void fixup_sigtramp PARAMS ((void));
+
typedef unsigned int greg_t; /* why isn't this defined? */
+static void
+fetch_core_registers PARAMS ((char *, unsigned int, int, unsigned int));
+
/*
* See the comment in m68k-tdep.c regarding the utility of these functions.
*/
static int mips_in_lenient_prologue PARAMS ((CORE_ADDR, CORE_ADDR));
#endif
+static void mips_print_register PARAMS ((int, int));
+
+static mips_extra_func_info_t
+heuristic_proc_desc PARAMS ((CORE_ADDR, CORE_ADDR, struct frame_info *));
+
+static CORE_ADDR heuristic_proc_start PARAMS ((CORE_ADDR));
+
+static int read_next_frame_reg PARAMS ((struct frame_info *, int));
+
static void mips_set_fpu_command PARAMS ((char *, int,
struct cmd_list_element *));
static void reinit_frame_cache_sfunc PARAMS ((char *, int,
struct cmd_list_element *));
+static mips_extra_func_info_t
+ find_proc_desc PARAMS ((CORE_ADDR pc, struct frame_info *next_frame));
+
+static CORE_ADDR after_prologue PARAMS ((CORE_ADDR pc,
+ mips_extra_func_info_t proc_desc));
+
/* This value is the model of MIPS in use. It is derived from the value
of the PrID register. */
} *linked_proc_desc_table = NULL;
\f
+
+/* This returns the PC of the first inst after the prologue. If we can't
+ find the prologue, then return 0. */
+
+static CORE_ADDR
+after_prologue (pc, proc_desc)
+ CORE_ADDR pc;
+ mips_extra_func_info_t proc_desc;
+{
+ struct symtab_and_line sal;
+ CORE_ADDR func_addr, func_end;
+
+ if (!proc_desc)
+ proc_desc = find_proc_desc (pc, NULL);
+
+ if (proc_desc)
+ {
+ /* If function is frameless, then we need to do it the hard way. I
+ strongly suspect that frameless always means prologueless... */
+ if (PROC_FRAME_REG (proc_desc) == SP_REGNUM
+ && PROC_FRAME_OFFSET (proc_desc) == 0)
+ return 0;
+ }
+
+ if (!find_pc_partial_function (pc, NULL, &func_addr, &func_end))
+ return 0; /* Unknown */
+
+ sal = find_pc_line (func_addr, 0);
+
+ if (sal.end < func_end)
+ return sal.end;
+
+ /* The line after the prologue is after the end of the function. In this
+ case, tell the caller to find the prologue the hard way. */
+
+ return 0;
+}
+
/* Guaranteed to set fci->saved_regs to some values (it never leaves it
NULL). */
/* In a dummy frame we know exactly where things are saved. */
&& !PROC_DESC_IS_DUMMY (proc_desc)
+ /* Don't bother unless we are inside a function prologue. Outside the
+ prologue, we know where everything is. */
+
+ && in_prologue (fci->pc, PROC_LOW_ADDR (proc_desc))
+
/* Not sure exactly what kernel_trap means, but if it means
the kernel saves the registers without a prologue doing it,
we better not examine the prologue to see whether registers
int offset;
int seen_sp_adjust = 0;
int load_immediate_bytes = 0;
+ CORE_ADDR post_prologue_pc;
+
+ /* See if we can determine the end of the prologue via the symbol table.
+ If so, then return either PC, or the PC after the prologue, whichever
+ is greater. */
+
+ post_prologue_pc = after_prologue (pc, NULL);
+
+ if (post_prologue_pc != 0)
+ return max (pc, post_prologue_pc);
+
+ /* Can't determine prologue from the symbol table, need to examine
+ instructions. */
/* Skip the typical prologue instructions. These are the stack adjustment
instruction and the instructions that save registers on the stack
write_register_bytes(REGISTER_BYTE (regnum), raw_buffer, TYPE_LENGTH (valtype));
}
-/* These exist in mdebugread.c. */
-extern CORE_ADDR sigtramp_address, sigtramp_end;
-extern void fixup_sigtramp PARAMS ((void));
-
/* Exported procedure: Is PC in the signal trampoline code */
int
#include "obstack.h"
#include "gdb_string.h"
-/* FIXME: imported from mdebugread.c */
-
-extern void ecoff_relocate_efi PARAMS ((struct symbol *, CORE_ADDR));
-
/* Prototypes for local functions */
#if !defined(NO_MMALLOC) && defined(HAVE_MMAP)
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