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Diffstat (limited to 'gdb/config/sparc/tm-sparc.h')
| -rw-r--r-- | gdb/config/sparc/tm-sparc.h | 354 |
1 files changed, 0 insertions, 354 deletions
diff --git a/gdb/config/sparc/tm-sparc.h b/gdb/config/sparc/tm-sparc.h deleted file mode 100644 index af8feccdc2f..00000000000 --- a/gdb/config/sparc/tm-sparc.h +++ /dev/null @@ -1,354 +0,0 @@ -/* Target machine sub-parameters for SPARC, for GDB, the GNU debugger. - This is included by other tm-*.h files to define SPARC cpu-related info. - Copyright 1986, 1987, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997, - 1998, 1999, 2000, 2001, 2002, 2003 - Free Software Foundation, Inc. - Contributed by Michael Tiemann (tiemann@mcc.com) - - This file is part of GDB. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - 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. */ - -#include "regcache.h" - -struct type; -struct value; -struct frame_info; - -/* - * The following enums are purely for the convenience of the GDB - * developer, when debugging GDB. - */ - -enum { /* Sparc general registers, for all sparc versions. */ - G0_REGNUM, G1_REGNUM, G2_REGNUM, G3_REGNUM, - G4_REGNUM, G5_REGNUM, G6_REGNUM, G7_REGNUM, - O0_REGNUM, O1_REGNUM, O2_REGNUM, O3_REGNUM, - O4_REGNUM, O5_REGNUM, O6_REGNUM, O7_REGNUM, - L0_REGNUM, L1_REGNUM, L2_REGNUM, L3_REGNUM, - L4_REGNUM, L5_REGNUM, L6_REGNUM, L7_REGNUM, - I0_REGNUM, I1_REGNUM, I2_REGNUM, I3_REGNUM, - I4_REGNUM, I5_REGNUM, I6_REGNUM, I7_REGNUM, - FP0_REGNUM /* Floating point register 0 */ -}; - -enum { /* Sparc general registers, alternate names. */ - R0_REGNUM, R1_REGNUM, R2_REGNUM, R3_REGNUM, - R4_REGNUM, R5_REGNUM, R6_REGNUM, R7_REGNUM, - R8_REGNUM, R9_REGNUM, R10_REGNUM, R11_REGNUM, - R12_REGNUM, R13_REGNUM, R14_REGNUM, R15_REGNUM, - R16_REGNUM, R17_REGNUM, R18_REGNUM, R19_REGNUM, - R20_REGNUM, R21_REGNUM, R22_REGNUM, R23_REGNUM, - R24_REGNUM, R25_REGNUM, R26_REGNUM, R27_REGNUM, - R28_REGNUM, R29_REGNUM, R30_REGNUM, R31_REGNUM -}; - -enum { /* Sparc32 control registers. */ - PS_REGNUM = 65, /* PC, NPC, and Y are omitted because */ - WIM_REGNUM = 66, /* they have different values depending on */ - TBR_REGNUM = 67, /* 32-bit / 64-bit mode. */ - FPS_REGNUM = 70, - CPS_REGNUM = 71 -}; - -/* v9 misc. and priv. regs */ - -/* Note: specifying values explicitly for documentation purposes. */ -enum { /* Sparc64 control registers, excluding Y, PC, and NPC. */ - CCR_REGNUM = 82, /* Condition Code Register (%xcc,%icc) */ - FSR_REGNUM = 83, /* Floating Point State */ - FPRS_REGNUM = 84, /* Floating Point Registers State */ - ASI_REGNUM = 86, /* Alternate Space Identifier */ - VER_REGNUM = 87, /* Version register */ - TICK_REGNUM = 88, /* Tick register */ - PIL_REGNUM = 89, /* Processor Interrupt Level */ - PSTATE_REGNUM = 90, /* Processor State */ - TSTATE_REGNUM = 91, /* Trap State */ - TBA_REGNUM = 92, /* Trap Base Address */ - TL_REGNUM = 93, /* Trap Level */ - TT_REGNUM = 94, /* Trap Type */ - TPC_REGNUM = 95, /* Trap pc */ - TNPC_REGNUM = 96, /* Trap npc */ - WSTATE_REGNUM = 97, /* Window State */ - CWP_REGNUM = 98, /* Current Window Pointer */ - CANSAVE_REGNUM = 99, /* Savable Windows */ - CANRESTORE_REGNUM = 100, /* Restorable Windows */ - CLEANWIN_REGNUM = 101, /* Clean Windows */ - OTHERWIN_REGNUM = 102, /* Other Windows */ - ASR16_REGNUM = 103, /* Ancillary State Registers */ - ASR17_REGNUM = 104, - ASR18_REGNUM = 105, - ASR19_REGNUM = 106, - ASR20_REGNUM = 107, - ASR21_REGNUM = 108, - ASR22_REGNUM = 109, - ASR23_REGNUM = 110, - ASR24_REGNUM = 111, - ASR25_REGNUM = 112, - ASR26_REGNUM = 113, - ASR27_REGNUM = 114, - ASR28_REGNUM = 115, - ASR29_REGNUM = 116, - ASR30_REGNUM = 117, - ASR31_REGNUM = 118, - ICC_REGNUM = 119, /* 32 bit condition codes */ - XCC_REGNUM = 120, /* 64 bit condition codes */ - FCC0_REGNUM = 121, /* fp cc reg 0 */ - FCC1_REGNUM = 122, /* fp cc reg 1 */ - FCC2_REGNUM = 123, /* fp cc reg 2 */ - FCC3_REGNUM = 124 /* fp cc reg 3 */ -}; - -/* - * Make sparc target multi-archable: April 2000 - */ - -/* Multi-arch definition of TARGET_IS_SPARC64, TARGET_ELF64 */ -#undef GDB_TARGET_IS_SPARC64 -#define GDB_TARGET_IS_SPARC64 \ - (sparc_intreg_size () == 8) -#undef TARGET_ELF64 -#define TARGET_ELF64 \ - (sparc_intreg_size () == 8) -extern int sparc_intreg_size (void); - -/* - * The following defines should ONLY appear for MULTI_ARCH. - */ - -/* Multi-arch the nPC and Y registers. */ -#define Y_REGNUM (sparc_y_regnum ()) - -/* On the Sun 4 under SunOS, the compile will leave a fake insn which - encodes the structure size being returned. If we detect such - a fake insn, step past it. */ - -#define PC_ADJUST(PC) sparc_pc_adjust (PC) -extern CORE_ADDR sparc_pc_adjust (CORE_ADDR); - -/* If an argument is declared "register", Sun cc will keep it in a register, - never saving it onto the stack. So we better not believe the "p" symbol - descriptor stab. */ - -#define DEPRECATE_USE_REGISTER_NOT_ARG - -/* For acc, there's no need to correct LBRAC entries by guessing how - they should work. In fact, this is harmful because the LBRAC - entries now all appear at the end of the function, not intermixed - with the SLINE entries. n_opt_found detects acc for Solaris binaries; - function_stab_type detects acc for SunOS4 binaries. - - For binary from SunOS4 /bin/cc, need to correct LBRAC's. - - For gcc, like acc, don't correct. */ - -#define SUN_FIXED_LBRAC_BUG \ - (n_opt_found \ - || function_stab_type == N_STSYM \ - || function_stab_type == N_GSYM \ - || processing_gcc_compilation) - -/* Do variables in the debug stabs occur after the N_LBRAC or before it? - acc: after, gcc: before, SunOS4 /bin/cc: before. */ - -#define VARIABLES_INSIDE_BLOCK(desc, gcc_p) \ - (!(gcc_p) \ - && (n_opt_found \ - || function_stab_type == N_STSYM \ - || function_stab_type == N_GSYM)) - -/* Sequence of bytes for breakpoint instruction (ta 1). */ - -extern const unsigned char *sparc_breakpoint_from_pc (CORE_ADDR *pc, int *len); -#define BREAKPOINT_FROM_PC(PC,LEN) sparc_breakpoint_from_pc ((PC), (LEN)) - -/* Register numbers of various important registers. - Note that some of these values are "real" register numbers, - and correspond to the general registers of the machine, - and some are "phony" register numbers which are too large - 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 G0_REGNUM 0 /* %g0 */ -#define G1_REGNUM 1 /* %g1 */ -#define O0_REGNUM 8 /* %o0 */ -#define RP_REGNUM 15 /* Contains return address value, *before* \ - any windows get switched. */ -#define O7_REGNUM 15 /* Last local reg not saved on stack frame */ -#define L0_REGNUM 16 /* First local reg that's saved on stack frame - rather than in machine registers */ -#define I0_REGNUM 24 /* %i0 */ -#define I7_REGNUM 31 /* Last local reg saved on stack frame */ -#define PS_REGNUM 65 /* Contains processor status */ -#define PS_FLAG_CARRY 0x100000 /* Carry bit in PS */ -#define WIM_REGNUM 66 /* Window Invalid Mask (not really supported) */ -#define TBR_REGNUM 67 /* Trap Base Register (not really supported) */ -#define FPS_REGNUM 70 /* Floating point status register */ -#define CPS_REGNUM 71 /* Coprocessor status register */ - -/* Writing to %g0 is a noop (not an error or exception or anything like - that, however). */ - -#define CANNOT_STORE_REGISTER(regno) ((regno) == G0_REGNUM) - -#define DEPRECATED_PRINT_EXTRA_FRAME_INFO(FI) \ - sparc_print_extra_frame_info (FI) -extern void sparc_print_extra_frame_info (struct frame_info *); - -/* DEPRECATED_INIT_EXTRA_FRAME_INFO needs the PC to detect flat - frames. */ - -#define DEPRECATED_INIT_FRAME_PC_FIRST(FROMLEAF, PREV) \ - ((FROMLEAF) ? DEPRECATED_SAVED_PC_AFTER_CALL ((PREV)->next) : \ - (PREV)->next ? DEPRECATED_FRAME_SAVED_PC ((PREV)->next) : read_pc ()) - -/* Define other aspects of the stack frame. */ - -/* The location of I0 w.r.t SP. This is actually dependent on how the - system's window overflow/underflow routines are written. Most - vendors save the L regs followed by the I regs (at the higher - address). Some vendors get it wrong. */ - -#define FRAME_SAVED_L0 0 -#define FRAME_SAVED_I0 (8 * DEPRECATED_REGISTER_RAW_SIZE (L0_REGNUM)) - -/* Things needed for making the inferior call functions. */ -/* - * First of all, let me give my opinion of what the DUMMY_FRAME - * actually looks like. - * - * | | - * | | - * + - - - - - - - - - - - - - - - - +<-- fp (level 0) - * | | - * | | - * | | - * | | - * | Frame of innermost program | - * | function | - * | | - * | | - * | | - * | | - * | | - * |---------------------------------|<-- sp (level 0), fp (c) - * | | - * DUMMY | fp0-31 | - * | | - * | ------ |<-- fp - 0x80 - * FRAME | g0-7 |<-- fp - 0xa0 - * | i0-7 |<-- fp - 0xc0 - * | other |<-- fp - 0xe0 - * | ? | - * | ? | - * |---------------------------------|<-- sp' = fp - 0x140 - * | | - * xcution start | | - * sp' + 0x94 -->| CALL_DUMMY (x code) | - * | | - * | | - * |---------------------------------|<-- sp'' = fp - 0x200 - * | align sp to 8 byte boundary | - * | ==> args to fn <== | - * Room for | | - * i & l's + agg | CALL_DUMMY_STACK_ADJUST = 0x0x44| - * |---------------------------------|<-- final sp (variable) - * | | - * | Where function called will | - * | build frame. | - * | | - * | | - * - * I understand everything in this picture except what the space - * between fp - 0xe0 and fp - 0x140 is used for. Oh, and I don't - * understand why there's a large chunk of CALL_DUMMY that never gets - * executed (its function is superceeded by - * DEPRECATED_PUSH_DUMMY_FRAME; they are designed to do the same - * thing). - * - * DEPRECATED_PUSH_DUMMY_FRAME saves the registers above sp' and - * pushes the * register file stack down one. - * - * call_function then writes CALL_DUMMY, pushes the args onto the - * stack, and adjusts the stack pointer. - - call_function_by_hand then starts execution (in the middle of - CALL_DUMMY, as directed by call_function). */ - -#ifndef CALL_DUMMY -/* This sequence of words is the instructions - - 00: bc 10 00 01 mov %g1, %fp - 04: 9d e3 80 00 save %sp, %g0, %sp - 08: bc 10 00 02 mov %g2, %fp - 0c: be 10 00 03 mov %g3, %i7 - 10: da 03 a0 58 ld [ %sp + 0x58 ], %o5 - 14: d8 03 a0 54 ld [ %sp + 0x54 ], %o4 - 18: d6 03 a0 50 ld [ %sp + 0x50 ], %o3 - 1c: d4 03 a0 4c ld [ %sp + 0x4c ], %o2 - 20: d2 03 a0 48 ld [ %sp + 0x48 ], %o1 - 24: 40 00 00 00 call <fun> - 28: d0 03 a0 44 ld [ %sp + 0x44 ], %o0 - 2c: 01 00 00 00 nop - 30: 91 d0 20 01 ta 1 - 34: 01 00 00 00 nop - - NOTES: - * the first four instructions are necessary only on the simulator. - * this is a multiple of 8 (not only 4) bytes. - * the `call' insn is a relative, not an absolute call. - * the `nop' at the end is needed to keep the trap from - clobbering things (if NPC pointed to garbage instead). - */ - -#endif /* CALL_DUMMY */ - -/* Sparc has no reliable single step ptrace call */ - -#define SOFTWARE_SINGLE_STEP_P() 1 -extern void sparc_software_single_step (enum target_signal, int); -#define SOFTWARE_SINGLE_STEP(sig,bp_p) sparc_software_single_step (sig,bp_p) - -/* We need more arguments in a frame specification for the - "frame" or "info frame" command. */ - -#define SETUP_ARBITRARY_FRAME(argc, argv) setup_arbitrary_frame (argc, argv) -extern struct frame_info *setup_arbitrary_frame (int, CORE_ADDR *); - -extern void sparc_do_registers_info (int regnum, int all); -#undef DEPRECATED_DO_REGISTERS_INFO -#define DEPRECATED_DO_REGISTERS_INFO(REGNUM,ALL) sparc_do_registers_info (REGNUM, ALL) - -/* Optimization for storing registers to the inferior. The hook - DO_DEFERRED_STORES - actually executes any deferred stores. It is called any time - we are going to proceed the child, or read its registers. - The hook CLEAR_DEFERRED_STORES is called when we want to throw - away the inferior process, e.g. when it dies or we kill it. - FIXME, this does not handle remote debugging cleanly. */ - -extern int deferred_stores; -#define DO_DEFERRED_STORES \ - if (deferred_stores) \ - target_store_registers (-2); -#define CLEAR_DEFERRED_STORES \ - deferred_stores = 0; - -/* Select the sparc disassembler */ - -#define TM_PRINT_INSN_MACH bfd_mach_sparc - -#define DEPRECATED_EXTRA_STACK_ALIGNMENT_NEEDED 1 |