CARP: Delete ABOUT_TO_RETURN across all targets.
This commit is contained in:
parent
07137a112d
commit
679ce73102
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@ -1,3 +1,27 @@
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Thu Nov 26 11:19:15 1998 Andrew Cagney <cagney@amy.cygnus.com>
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* config/alpha/tm-alpha.h (ABOUT_TO_RETURN): Replace macro.
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* alpha-tdep.c (alpha_about_to_return): With new function.
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(heuristic_proc_start): Update.
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* config/mips/tm-mips.h (ABOUT_TO_RETURN), mips-tdep.c
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(heuristic_proc_start, mips_about_to_return): Ditto.
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* config/ns32k/tm-merlin.h (ABOUT_TO_RETURN),
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config/ns32k/tm-umax.h (ABOUT_TO_RETURN), ns32k-tdep.c
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(ns32k_about_to_return, ns32k_get_enter_addr): Ditto.
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* config/z8k/tm-z8k.h, config/w65/tm-w65.h, config/vax/tm-vax.h,
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config/tahoe/tm-tahoe.h, config/sparc/tm-sparc.h,
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config/sh/tm-sh.h, config/rs6000/tm-rs6000.h, config/pyr/tm-pyr.h,
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config/pa/tm-hppa.h, config/m88k/tm-m88k.h, config/m68k/tm-m68k.h,
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config/i960/tm-i960.h, config/i386/tm-i386.h,
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config/h8500/tm-h8500.h, config/h8300/tm-h8300.h,
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config/gould/tm-pn.h, config/gould/tm-np1.h,
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config/convex/tm-convex.h, config/arm/tm-arm.h,
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config/arc/tm-arc.h, config/a29k/tm-a29k.h: Delete macro
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ABOUT_TO_RETURN.
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* config/w65/tm-w65.h (RTL, RTS): Delete macros.
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* h8500-tdep.c (about_to_return): Delete function.
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Thu Nov 26 11:19:15 1998 Andrew Cagney <cagney@chook.cygnus.com>
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* rs6000-tdep.c (rs6000_breakpoint_from_pc): Change big_breakpoint
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@ -36,8 +60,12 @@ Wed Nov 25 00:13:06 1998 Andrew Cagney <cagney@b1.cygnus.com>
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Wed Nov 25 20:37:00 1998 Andrew Cagney <cagney@b1.cygnus.com>
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* rs6000-tdep.c (rs6000_breakpoint_from_pc): Change big_breakpoint
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and little_breakpoint to char[] from char*.
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* mem-break.c (memory_insert_breakpoint,
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memory_remove_breakpoint): Pass address of bplen.
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* remote-array.c (array_insert_breakpoint): Change bp_addr to
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CORE_ADDR type.
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start-sanitize-vr4xxx
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1998-11-24 Gavin Romig-Koch <gavin@cygnus.com>
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@ -399,6 +399,18 @@ alpha_saved_pc_after_call (frame)
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static struct alpha_extra_func_info temp_proc_desc;
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static struct frame_saved_regs temp_saved_regs;
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/* Nonzero if instruction at PC is a return instruction. "ret
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$zero,($ra),1" on alpha. */
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static int
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alpha_about_to_return (pc)
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CORE_ADDR pc;
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{
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return read_memory_integer (pc, 4) == 0x6bfa8001;
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}
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/* This fencepost looks highly suspicious to me. Removing it also
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seems suspicious as it could affect remote debugging across serial
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lines. */
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@ -449,7 +461,7 @@ Otherwise, you told GDB there was a function where there isn't one, or\n\
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return 0;
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}
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else if (ABOUT_TO_RETURN(start_pc))
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else if (alpha_about_to_return (start_pc))
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break;
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start_pc += 4; /* skip return */
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@ -84,12 +84,6 @@ CORE_ADDR skip_prologue ();
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#define DECR_PC_AFTER_BREAK 0
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/* Nonzero if instruction at PC is a return instruction.
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On the a29k, this is a "jmpi l0" instruction. */
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#define ABOUT_TO_RETURN(pc) \
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((read_memory_integer (pc, 4) & 0xff0000ff) == 0xc0000080)
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/* Say how long (ordinary) registers are. This is a piece of bogosity
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used in push_word and a few other places; REGISTER_RAW_SIZE is the
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real way to know how big a register is. */
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@ -25,6 +25,13 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#include "coff/sym.h" /* Needed for PDR below. */
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#include "coff/symconst.h"
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#ifdef __STDC__
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struct frame_info;
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struct type;
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struct value;
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struct symbol;
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#endif
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#if !defined (TARGET_BYTE_ORDER)
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#define TARGET_BYTE_ORDER LITTLE_ENDIAN
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#endif
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@ -61,9 +68,6 @@ extern CORE_ADDR alpha_skip_prologue PARAMS ((CORE_ADDR addr, int lenient));
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some instructions. */
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#define SAVED_PC_AFTER_CALL(frame) alpha_saved_pc_after_call(frame)
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#ifdef __STDC__
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struct frame_info;
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#endif
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extern CORE_ADDR
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alpha_saved_pc_after_call PARAMS ((struct frame_info *));
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@ -85,11 +89,6 @@ alpha_saved_pc_after_call PARAMS ((struct frame_info *));
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#define DECR_PC_AFTER_BREAK 4
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#endif
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/* Nonzero if instruction at PC is a return instruction.
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"ret $zero,($ra),1" on alpha. */
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#define ABOUT_TO_RETURN(pc) (read_memory_integer (pc, 4) == 0x6bfa8001)
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/* Say how long (ordinary) registers are. This is a piece of bogosity
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used in push_word and a few other places; REGISTER_RAW_SIZE is the
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real way to know how big a register is. */
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@ -184,9 +183,6 @@ alpha_saved_pc_after_call PARAMS ((struct frame_info *));
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#define REGISTER_CONVERT_TO_VIRTUAL(REGNUM, TYPE, FROM, TO) \
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alpha_register_convert_to_virtual (REGNUM, TYPE, FROM, TO)
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#ifdef __STDC__
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struct type;
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#endif
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extern void
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alpha_register_convert_to_virtual PARAMS ((int, struct type *, char *, char *));
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@ -316,10 +312,7 @@ extern void alpha_find_saved_regs PARAMS ((struct frame_info *));
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/* Things needed for making the inferior call functions. */
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#define PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr) \
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sp = alpha_push_arguments(nargs, args, sp, struct_return, struct_addr)
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#ifdef __STDC__
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struct value;
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#endif
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sp = alpha_push_arguments((nargs), (args), (sp), (struct_return), (struct_addr))
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extern CORE_ADDR
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alpha_push_arguments PARAMS ((int, struct value **, CORE_ADDR, int, CORE_ADDR));
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@ -384,6 +377,7 @@ extern CORE_ADDR alpha_call_dummy_address PARAMS ((void));
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alpha_extra_func_info_t's off of this. */
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#define MIPS_EFI_SYMBOL_NAME "__GDB_EFI_INFO__"
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extern void ecoff_relocate_efi PARAMS ((struct symbol *, CORE_ADDR));
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/* Specific information about a procedure.
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This overlays the ALPHA's PDR records,
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@ -83,13 +83,6 @@ extern CORE_ADDR skip_prologue PARAMS ((CORE_ADDR, int));
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#define INNER_THAN <
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/* Nonzero if instruction at pc is a return instruction.
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This is the "j [blink]" insn (with or without conditionals or delay
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slots). */
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#define ABOUT_TO_RETURN(pc) \
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((read_memory_integer(pc, 4) & 0xffffff80) == 0x380f8000)
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/* Say how long (ordinary) registers are. This is a piece of bogosity
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used in push_word and a few other places; REGISTER_RAW_SIZE is the
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real way to know how big a register is. */
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@ -79,23 +79,11 @@ extern CORE_ADDR arm_saved_pc_after_call PARAMS ((struct frame_info *));
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#define INNER_THAN <
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/* Sequence of bytes for breakpoint instruction. */
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/* !!!! if we're using RDP, then we're inserting breakpoints and storing
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their handles instread of what was in memory. It is nice that
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this is the same size as a handle - otherwise remote-rdp will
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have to change. */
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#define ARM_LE_BREAKPOINT {0x00,0x00,0x18,0xef} /* BKPT_SWI from <sys/ptrace.h> */
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#define ARM_BE_BREAKPOINT {0xef,0x18,0x00,0x00} /* BKPT_SWI from <sys/ptrace.h> */
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#define THUMB_LE_BREAKPOINT {0x18,0xdf} /* swi 24 */
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#define THUMB_BE_BREAKPOINT {0xdf,0x18} /* swi 24 */
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/* The following has been superseded by BREAKPOINT_FOR_PC, but
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is defined merely to keep mem-break.c happy. */
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#define LITTLE_BREAKPOINT ARM_LE_BREAKPOINT
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#define BIG_BREAKPOINT ARM_BE_BREAKPOINT
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/* BREAKPOINT_FROM_PC uses the program counter value to determine whether a
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16- or 32-bit breakpoint should be used. It returns a pointer
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to a string of bytes that encode a breakpoint instruction, stores
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point to the actual memory location where the breakpoint should be
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inserted. */
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unsigned char * arm_breakpoint_from_pc PARAMS ((CORE_ADDR * pcptr, int * lenptr));
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extern breakpoint_from_pc_fn arm_breakpoint_from_pc;
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#define BREAKPOINT_FROM_PC(pcptr, lenptr) arm_breakpoint_from_pc (pcptr, lenptr)
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/* Amount PC must be decremented by after a breakpoint.
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#define DECR_PC_AFTER_BREAK 0
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/* Nonzero if instruction at PC is a return instruction. */
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#define ABOUT_TO_RETURN(pc) \
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((read_memory_integer(pc, 4) & 0x0fffffff == 0x01b0f00e) || \
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(read_memory_integer(pc, 4) & 0x0ffff800 == 0x09eba800))
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/* code to execute to print interesting information about the
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* floating point processor (if any)
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* No need to define if there is nothing to do.
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@ -92,12 +92,6 @@ extern CORE_ADDR h8300_skip_prologue ();
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#define DECR_PC_AFTER_BREAK 0
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/* Nonzero if instruction at PC is a return instruction. */
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/* Allow any of the return instructions, including a trapv and a return
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from interupt. */
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#define ABOUT_TO_RETURN(pc) ((read_memory_unsigned_integer (pc, 2) & ~0x3) == 0x4e74)
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/* Say how long registers are. */
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#define REGISTER_SIZE 4
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#define DECR_PC_AFTER_BREAK 0
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#if 0 /* never used */
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/* Nonzero if instruction at PC is a return instruction. */
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#define ABOUT_TO_RETURN(pc) about_to_return(pc)
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#endif
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/* Say how long registers are. */
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#define REGISTER_TYPE unsigned long
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#define DECR_PC_AFTER_BREAK 1
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/* Nonzero if instruction at PC is a return instruction. */
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#define ABOUT_TO_RETURN(pc) (read_memory_integer ((pc), 1) == 0xc3)
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/* Say how long (ordinary) registers are. This is a piece of bogosity
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used in push_word and a few other places; REGISTER_RAW_SIZE is the
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real way to know how big a register is. */
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@ -64,10 +64,6 @@ extern CORE_ADDR saved_pc_after_call ();
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#define INNER_THAN >
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/* Nonzero if instruction at ip is a return instruction. */
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#define ABOUT_TO_RETURN(ip) (read_memory_integer(ip,4) == 0x0a000000)
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/* Say how long (ordinary) registers are. This is a piece of bogosity
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used in push_word and a few other places; REGISTER_RAW_SIZE is the
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real way to know how big a register is. */
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@ -91,12 +91,6 @@ extern void m68k_find_saved_regs PARAMS ((struct frame_info *, struct frame_save
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#define DECR_PC_AFTER_BREAK 2
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#endif
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/* Nonzero if instruction at PC is a return instruction. */
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/* Allow any of the return instructions, including a trapv and a return
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from interupt. */
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#define ABOUT_TO_RETURN(pc) ((read_memory_integer (pc, 2) & ~0x3) == 0x4e74)
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/* Say how long (ordinary) registers are. This is a piece of bogosity
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used in push_word and a few other places; REGISTER_RAW_SIZE is the
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real way to know how big a register is. */
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@ -91,11 +91,6 @@ extern CORE_ADDR skip_prologue ();
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#define DECR_PC_AFTER_BREAK 0
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/* Nonzero if instruction at PC is a return instruction. */
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/* 'jmp r1' or 'jmp.n r1' is used to return from a subroutine. */
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#define ABOUT_TO_RETURN(pc) (read_memory_integer (pc, 2) == 0xF800)
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/* Say how long (ordinary) registers are. This is a piece of bogosity
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used in push_word and a few other places; REGISTER_RAW_SIZE is the
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real way to know how big a register is. */
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@ -139,11 +139,6 @@ extern breakpoint_from_pc_fn mips_breakpoint_from_pc;
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#define DECR_PC_AFTER_BREAK 0
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/* Nonzero if instruction at PC is a return instruction. "j ra" on mips. */
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int mips_about_to_return PARAMS ((CORE_ADDR pc));
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#define ABOUT_TO_RETURN(pc) mips_about_to_return (pc)
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/* Say how long (ordinary) registers are. This is a piece of bogosity
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used in push_word and a few other places; REGISTER_RAW_SIZE is the
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real way to know how big a register is. */
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@ -62,10 +62,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#define DECR_PC_AFTER_BREAK 0
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/* Nonzero if instruction at PC is a return instruction. */
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#define ABOUT_TO_RETURN(pc) (read_memory_integer (pc, 1) == 0x12)
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/* Define this to say that the "svc" insn is followed by
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codes in memory saying which kind of system call it is. */
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@ -70,10 +70,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#define DECR_PC_AFTER_BREAK 0
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/* Nonzero if instruction at PC is a return instruction. */
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#define ABOUT_TO_RETURN(pc) (read_memory_integer (pc, 1) == 0x12)
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#if 0 /* Disable until fixed *correctly*. */
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#ifndef INVALID_FLOAT
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#ifndef NaN
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#define REG_STRUCT_HAS_ADDR(gcc_p,type) \
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(TYPE_LENGTH (type) > 8)
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#define USE_STRUCT_CONVENTION(gcc_p,type) (TYPE_LENGTH (type) > 8)
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extern use_struct_convention_fn hppa_use_struct_convention;
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#define USE_STRUCT_CONVENTION(gcc_p,type) hppa_use_struct_convention (gcc_p,type)
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/* Offset from address of function to start of its code.
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Zero on most machines. */
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#define DECR_PC_AFTER_BREAK 0
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/* return instruction is bv r0(rp) or bv,n r0(rp)*/
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#define ABOUT_TO_RETURN(pc) ((read_memory_integer (pc, 4) | 0x2) == 0xE840C002)
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/* Say how long (ordinary) registers are. This is a piece of bogosity
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used in push_word and a few other places; REGISTER_RAW_SIZE is the
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real way to know how big a register is. */
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@ -361,7 +358,8 @@ extern int frame_chain_valid PARAMS ((CORE_ADDR, struct frame_info *));
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(FRAMELESS) = frameless_function_invocation(FI)
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extern int frameless_function_invocation PARAMS ((struct frame_info *));
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#define FRAME_SAVED_PC(FRAME) frame_saved_pc (FRAME)
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extern CORE_ADDR hppa_frame_saved_pc PARAMS ((struct frame_info *frame));
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#define FRAME_SAVED_PC(FRAME) hppa_frame_saved_pc (FRAME)
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#define FRAME_ARGS_ADDRESS(fi) ((fi)->frame)
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@ -535,8 +533,14 @@ extern CORE_ADDR
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hppa_fix_call_dummy PARAMS ((char *, CORE_ADDR, CORE_ADDR, int,
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struct value **, struct type *, int));
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/* Stack must be aligned on 32-bit boundaries when synthesizing
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function calls. We still need STACK_ALIGN, PUSH_ARGUMENTS does
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not do all the work. */
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#define STACK_ALIGN(ADDR) (((ADDR) + 7) & -8)
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#define PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr) \
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sp = hppa_push_arguments(nargs, args, sp, struct_return, struct_addr)
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sp = hppa_push_arguments((nargs), (args), (sp), (struct_return), (struct_addr))
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extern CORE_ADDR
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hppa_push_arguments PARAMS ((int, struct value **, CORE_ADDR, int,
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CORE_ADDR));
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@ -666,5 +670,3 @@ extern int hpread_adjust_stack_address PARAMS ((CORE_ADDR));
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probably much more common. (FIXME). */
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#define COERCE_FLOAT_TO_DOUBLE (current_language -> la_language == language_c)
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#define STACK_ALIGN(ADDR) (((ADDR) + 7) & -8)
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@ -1,5 +1,5 @@
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/* Parameters for target execution on an RS6000, for GDB, the GNU debugger.
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Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994
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Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1997
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Free Software Foundation, Inc.
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Contributed by IBM Corporation.
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@ -151,34 +151,20 @@ extern void aix_process_linenos PARAMS ((void));
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#define INNER_THAN <
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#if 0
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/* No, we shouldn't use this. push_arguments() should leave stack in a
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proper alignment! */
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/* Stack has strict alignment. */
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#define STACK_ALIGN(ADDR) (((ADDR)+7)&-8)
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#endif
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/* This is how argumets pushed onto stack or passed in registers. */
|
||||
/* This is how arguments pushed onto stack or passed in registers.
|
||||
Stack must be aligned on 64-bit boundaries when synthesizing
|
||||
function calls. We don't need STACK_ALIGN, PUSH_ARGUMENTS will
|
||||
handle it. */
|
||||
|
||||
#define PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr) \
|
||||
sp = push_arguments(nargs, args, sp, struct_return, struct_addr)
|
||||
sp = push_arguments((nargs), (args), (sp), (struct_return), (struct_addr))
|
||||
extern CORE_ADDR push_arguments PARAMS ((int, struct value **, CORE_ADDR,
|
||||
int, CORE_ADDR));
|
||||
|
||||
/* Sequence of bytes for breakpoint instruction. */
|
||||
|
||||
#define BIG_BREAKPOINT { 0x7d, 0x82, 0x10, 0x08 }
|
||||
#define LITTLE_BREAKPOINT { 0x08, 0x10, 0x82, 0x7d }
|
||||
|
||||
#if TARGET_BYTE_ORDER == BIG_ENDIAN
|
||||
#define BREAKPOINT BIG_BREAKPOINT
|
||||
|
||||
#else
|
||||
#if TARGET_BYTE_ORDER == LITTLE_ENDIAN
|
||||
#define BREAKPOINT LITTLE_BREAKPOINT
|
||||
#endif
|
||||
#endif
|
||||
/* BREAKPOINT_FROM_PC uses the program counter value to determine the
|
||||
breakpoint that should be used */
|
||||
extern breakpoint_from_pc_fn rs6000_breakpoint_from_pc;
|
||||
#define BREAKPOINT_FROM_PC(pcptr, lenptr) rs6000_breakpoint_from_pc (pcptr, lenptr)
|
||||
|
||||
/* Amount PC must be decremented by after a breakpoint.
|
||||
This is often the number of bytes in BREAKPOINT
|
||||
|
@ -186,13 +172,6 @@ extern CORE_ADDR push_arguments PARAMS ((int, struct value **, CORE_ADDR,
|
|||
|
||||
#define DECR_PC_AFTER_BREAK 0
|
||||
|
||||
/* Nonzero if instruction at PC is a return instruction. */
|
||||
/* Allow any of the return instructions, including a trapv and a return
|
||||
from interrupt. */
|
||||
|
||||
#define ABOUT_TO_RETURN(pc) \
|
||||
((read_memory_integer (pc, 4) & 0xfe8007ff) == 0x4e800020)
|
||||
|
||||
/* Say how long (ordinary) registers are. This is a piece of bogosity
|
||||
used in push_word and a few other places; REGISTER_RAW_SIZE is the
|
||||
real way to know how big a register is. */
|
||||
|
@ -441,6 +420,7 @@ extern int frameless_function_invocation PARAMS((struct frame_info *));
|
|||
frame.
|
||||
The following constants were determined by experimentation on AIX 3.2. */
|
||||
#define SIG_FRAME_PC_OFFSET 96
|
||||
#define SIG_FRAME_LR_OFFSET 108
|
||||
#define SIG_FRAME_FP_OFFSET 284
|
||||
|
||||
/* Default offset from SP where the LR is stored */
|
||||
|
@ -601,26 +581,42 @@ extern void pop_frame PARAMS ((void));
|
|||
|
||||
#define CALL_DUMMY_START_OFFSET 16
|
||||
|
||||
/* Insert the specified number of args and function address
|
||||
into a call sequence of the above form stored at DUMMYNAME. */
|
||||
/* Insert the specified number of args and function address into a
|
||||
call sequence of the above form stored at DUMMYNAME. */
|
||||
|
||||
#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, using_gcc) \
|
||||
fix_call_dummy(dummyname, pc, fun, nargs, (int)type)
|
||||
extern void fix_call_dummy PARAMS ((char *, CORE_ADDR, CORE_ADDR, int, int));
|
||||
#define FIX_CALL_DUMMY(dummyname, pc, fun, nargs, args, type, gcc_p) \
|
||||
rs6000_fix_call_dummy (dummyname, pc, fun, nargs, args, type, gcc_p)
|
||||
extern void rs6000_fix_call_dummy PARAMS ((char *, CORE_ADDR, CORE_ADDR,
|
||||
int, struct value **,
|
||||
struct type *, int));
|
||||
|
||||
/* Hook in rs6000-tdep.c for determining the TOC address when
|
||||
calling functions in the inferior. */
|
||||
extern CORE_ADDR (*find_toc_address_hook) PARAMS ((CORE_ADDR));
|
||||
|
||||
/* xcoffread.c provides a function to determine the TOC offset
|
||||
for a given object file.
|
||||
It is used under native AIX configurations for determining the
|
||||
TOC address when calling functions in the inferior. */
|
||||
#ifdef __STDC__
|
||||
struct objfile;
|
||||
#endif
|
||||
extern CORE_ADDR get_toc_offset PARAMS ((struct objfile *));
|
||||
|
||||
/* Usually a function pointer's representation is simply the address
|
||||
of the function. On the RS/6000 however, a function pointer is
|
||||
represented by a pointer to a TOC entry. This TOC entry contains
|
||||
three words, the first word is the address of the function, the
|
||||
second word is the TOC pointer (r2), and the third word is the
|
||||
static chain value. Throughout GDB it is currently assumed that a
|
||||
function pointer contains the address of the function, which is not
|
||||
easy to fix. In addition, the conversion of a function address to
|
||||
a function pointer would require allocation of a TOC entry in the
|
||||
inferior's memory space, with all its drawbacks. To be able to
|
||||
call C++ virtual methods in the inferior (which are called via
|
||||
function pointers), find_function_addr uses this macro to get the
|
||||
function address from a function pointer. */
|
||||
|
||||
/* Usually a function pointer's representation is simply the address of
|
||||
the function. On the RS/6000 however, a function pointer is represented
|
||||
by a pointer to a TOC entry. This TOC entry contains three words,
|
||||
the first word is the address of the function, the second word is the
|
||||
TOC pointer (r2), and the third word is the static chain value.
|
||||
Throughout GDB it is currently assumed that a function pointer contains
|
||||
the address of the function, which is not easy to fix.
|
||||
In addition, the conversion of a function address to a function
|
||||
pointer would require allocation of a TOC entry in the inferior's
|
||||
memory space, with all its drawbacks.
|
||||
To be able to call C++ virtual methods in the inferior (which are called
|
||||
via function pointers), find_function_addr uses this macro to
|
||||
get the function address from a function pointer. */
|
||||
#define CONVERT_FROM_FUNC_PTR_ADDR(ADDR) \
|
||||
(is_magic_function_pointer (ADDR) ? read_memory_integer (ADDR, 4) : (ADDR))
|
||||
extern int is_magic_function_pointer PARAMS ((CORE_ADDR));
|
||||
|
|
|
@ -74,9 +74,6 @@ extern CORE_ADDR sh_skip_prologue ();
|
|||
define this before including this file. */
|
||||
#define DECR_PC_AFTER_BREAK 0
|
||||
|
||||
/* Nonzero if instruction at PC is a return instruction. */
|
||||
#define ABOUT_TO_RETURN(pc) (read_memory_integer(pc,2) == 0x000b)
|
||||
|
||||
/* Say how long registers are. */
|
||||
#define REGISTER_TYPE long
|
||||
|
||||
|
|
|
@ -127,14 +127,6 @@ extern CORE_ADDR sparc_pc_adjust PARAMS ((CORE_ADDR));
|
|||
|
||||
#define DECR_PC_AFTER_BREAK 0
|
||||
|
||||
/* Nonzero if instruction at PC is a return instruction. */
|
||||
/* For SPARC, this is either a "jmpl %o7+8,%g0" or "jmpl %i7+8,%g0".
|
||||
|
||||
Note: this does not work for functions returning structures under SunOS.
|
||||
v9 does not have such critters though. */
|
||||
#define ABOUT_TO_RETURN(pc) \
|
||||
((read_memory_integer (pc, 4)|0x00040000) == 0x81c7e008)
|
||||
|
||||
/* Say how long (ordinary) registers are. This is a piece of bogosity
|
||||
used in push_word and a few other places; REGISTER_RAW_SIZE is the
|
||||
real way to know how big a register is. */
|
||||
|
|
|
@ -80,10 +80,6 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
|
|||
|
||||
#define DECR_PC_AFTER_BREAK 0
|
||||
|
||||
/* Nonzero if instruction at PC is a return instruction. */
|
||||
|
||||
#define ABOUT_TO_RETURN(pc) (read_memory_integer (pc, 1) == 04)
|
||||
|
||||
/* Return 1 if P points to an invalid floating point value.
|
||||
LEN is the length in bytes -- not relevant on the Vax. */
|
||||
|
||||
|
|
|
@ -66,14 +66,6 @@ extern CORE_ADDR w65_skip_prologue ();
|
|||
define this before including this file. */
|
||||
#define DECR_PC_AFTER_BREAK 0
|
||||
|
||||
/* Nonzero if instruction at PC is a return instruction. */
|
||||
|
||||
#define ABOUT_TO_RETURN(pc) \
|
||||
(read_memory_integer(pc,1) == RTL || read_memory_integer(pc,1) == RTS)
|
||||
|
||||
#define RTL 0x6b
|
||||
#define RTS 0x60
|
||||
|
||||
/* Return 1 if P points to an invalid floating point value. */
|
||||
|
||||
#define INVALID_FLOAT(p, len) 0 /* Just a first guess; not checked */
|
||||
|
|
|
@ -64,12 +64,6 @@ extern CORE_ADDR mz8k_skip_prologue PARAMS ((CORE_ADDR ip));
|
|||
|
||||
#define DECR_PC_AFTER_BREAK 0
|
||||
|
||||
/* Nonzero if instruction at PC is a return instruction. */
|
||||
/* Allow any of the return instructions, including a trapv and a return
|
||||
from interupt. */
|
||||
|
||||
#define ABOUT_TO_RETURN(pc) about_to_return(pc)
|
||||
|
||||
/* Say how long registers are. */
|
||||
|
||||
#define REGISTER_TYPE unsigned int
|
||||
|
|
|
@ -395,38 +395,6 @@ saved_pc_after_call ()
|
|||
return x;
|
||||
}
|
||||
|
||||
#if 0 /* never called */
|
||||
/* Nonzero if instruction at PC is a return instruction. */
|
||||
|
||||
int
|
||||
about_to_return (pc)
|
||||
CORE_ADDR pc;
|
||||
{
|
||||
int b1 = read_memory_integer (pc, 1);
|
||||
|
||||
switch (b1)
|
||||
{
|
||||
case 0x14: /* rtd #8 */
|
||||
case 0x1c: /* rtd #16 */
|
||||
case 0x19: /* rts */
|
||||
case 0x1a: /* rte */
|
||||
return 1;
|
||||
case 0x11:
|
||||
{
|
||||
int b2 = read_memory_integer (pc + 1, 1);
|
||||
switch (b2)
|
||||
{
|
||||
case 0x18: /* prts */
|
||||
case 0x14: /* prtd #8 */
|
||||
case 0x16: /* prtd #16 */
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
#endif
|
||||
|
||||
void
|
||||
h8500_set_pointer_size (newsize)
|
||||
int newsize;
|
||||
|
|
|
@ -76,6 +76,17 @@ ns32k_localcount (enter_pc)
|
|||
return localcount;
|
||||
}
|
||||
|
||||
|
||||
/* Nonzero if instruction at PC is a return instruction. */
|
||||
|
||||
static int
|
||||
ns32k_about_to_return (pc)
|
||||
CORE_ADDR pc;
|
||||
{
|
||||
return (read_memory_integer (pc, 1) == 0x12);
|
||||
}
|
||||
|
||||
|
||||
/*
|
||||
* Get the address of the enter opcode for the function
|
||||
* containing PC, if there is an enter for the function,
|
||||
|
@ -94,7 +105,7 @@ ns32k_get_enter_addr (pc)
|
|||
if (pc == 0)
|
||||
return 0;
|
||||
|
||||
if (ABOUT_TO_RETURN (pc))
|
||||
if (ns32k_about_to_return (pc))
|
||||
return 1; /* after exit */
|
||||
|
||||
enter_addr = get_pc_function_start (pc);
|
||||
|
|
Loading…
Reference in New Issue