/* Parameters for execution on any Hewlett-Packard PA-RISC machine. Copyright 1986, 1987, 1989, 1990, 1991, 1992, 1993, 1995, 1999, 2000 Free Software Foundation, Inc. Contributed by the Center for Software Science at the University of Utah (pa-gdb-bugs@cs.utah.edu). 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. */ struct type; struct value; struct frame_info; /* PA 64-bit specific definitions. Override those which are in tm-hppa.h */ /* jimb: this must go. I'm just using it to disable code I haven't gotten working yet. */ #define GDB_TARGET_IS_HPPA_20W /* FIXME: brobecker 2003-04-21: Although 32bit hppa is partially multiarched, the conversion for hppa64 hasn't been completed yet. */ #define GDB_MULTI_ARCH 0 /* FIXME: brobecker 2003-05-22: All the definition from this point until the include of pa/tm-hppah.h are extracted from tm-hppa.h and tm-hppah.h. They have been temporarily moved here, until hppa64 is multiarched too. */ #if !GDB_MULTI_ARCH extern int hppa_hpux_pc_in_sigtramp (CORE_ADDR pc, char *name); #define PC_IN_SIGTRAMP(pc, name) hppa_hpux_pc_in_sigtramp (pc, name) #endif #if !GDB_MULTI_ARCH extern int hppa_reg_struct_has_addr (int gcc_p, struct type *type); #define REG_STRUCT_HAS_ADDR(gcc_p,type) hppa_reg_struct_has_addr (gcc_p,type) #endif /* Offset from address of function to start of its code. Zero on most machines. */ #if !GDB_MULTI_ARCH #define FUNCTION_START_OFFSET 0 #endif /* Advance PC across any function entry prologue instructions to reach some "real" code. */ #if !GDB_MULTI_ARCH extern CORE_ADDR hppa_skip_prologue (CORE_ADDR); #define SKIP_PROLOGUE(pc) (hppa_skip_prologue (pc)) #endif /* If PC is in some function-call trampoline code, return the PC where the function itself actually starts. If not, return NULL. */ #if !GDB_MULTI_ARCH #define SKIP_TRAMPOLINE_CODE(pc) hppa_skip_trampoline_code (pc) extern CORE_ADDR hppa_skip_trampoline_code (CORE_ADDR); #endif /* Return non-zero if we are in an appropriate trampoline. */ #if !GDB_MULTI_ARCH #define IN_SOLIB_CALL_TRAMPOLINE(pc, name) \ hppa_in_solib_call_trampoline (pc, name) extern int hppa_in_solib_call_trampoline (CORE_ADDR, char *); #endif #if !GDB_MULTI_ARCH #define IN_SOLIB_RETURN_TRAMPOLINE(pc, name) \ hppa_in_solib_return_trampoline (pc, name) extern int hppa_in_solib_return_trampoline (CORE_ADDR, char *); #endif #if !GDB_MULTI_ARCH #undef DEPRECATED_SAVED_PC_AFTER_CALL #define DEPRECATED_SAVED_PC_AFTER_CALL(frame) hppa_saved_pc_after_call (frame) extern CORE_ADDR hppa_saved_pc_after_call (struct frame_info *); #endif #if !GDB_MULTI_ARCH extern int hppa_inner_than (CORE_ADDR lhs, CORE_ADDR rhs); #define INNER_THAN(lhs,rhs) hppa_inner_than(lhs,rhs) #endif #if !GDB_MULTI_ARCH extern CORE_ADDR hppa_stack_align (CORE_ADDR sp); #define STACK_ALIGN(sp) hppa_stack_align (sp) #endif /* Amount PC must be decremented by after a breakpoint. This is often the number of bytes returned by BREAKPOINT_FROM_PC but not always. Not on the PA-RISC */ #if !GDB_MULTI_ARCH #define DECR_PC_AFTER_BREAK 0 #endif /* 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. */ #if !GDB_MULTI_ARCH #define DEPRECATED_REGISTER_SIZE 4 #endif /* Number of machine registers */ #if !GDB_MULTI_ARCH #define NUM_REGS 128 #endif #if !GDB_MULTI_ARCH #define DEPRECATED_FP_REGNUM 3 /* Contains address of executing stack */ /* frame */ #endif #if !GDB_MULTI_ARCH #define SP_REGNUM 30 /* Contains address of top of stack */ #endif #if !GDB_MULTI_ARCH #define FP0_REGNUM 64 /* floating point reg. 0 (fspr) */ #endif /* compatibility with the rest of gdb. */ #if !GDB_MULTI_ARCH #define PC_REGNUM PCOQ_HEAD_REGNUM #endif #if !GDB_MULTI_ARCH #define NPC_REGNUM PCOQ_TAIL_REGNUM #endif /* Number of bytes of storage in the actual machine representation for register N. On the PA-RISC, all regs are 4 bytes, including the FP registers (they're accessed as two 4 byte halves). */ #if !GDB_MULTI_ARCH extern int hppa_register_raw_size (int reg_nr); #define REGISTER_RAW_SIZE(N) hppa_register_raw_size (N) #endif /* Total amount of space needed to store our copies of the machine's register state, the array `registers'. */ #if !GDB_MULTI_ARCH #define DEPRECATED_REGISTER_BYTES (NUM_REGS * 4) #endif #if !GDB_MULTI_ARCH extern int hppa_register_byte (int reg_nr); #define REGISTER_BYTE(N) hppa_register_byte (N) #endif /* Number of bytes of storage in the program's representation for register N. */ #if !GDB_MULTI_ARCH #define REGISTER_VIRTUAL_SIZE(N) REGISTER_RAW_SIZE(N) #endif /* Largest value REGISTER_RAW_SIZE can have. */ #if !GDB_MULTI_ARCH #define DEPRECATED_MAX_REGISTER_RAW_SIZE 4 #endif /* Largest value REGISTER_VIRTUAL_SIZE can have. */ #if !GDB_MULTI_ARCH #define DEPRECATED_MAX_REGISTER_VIRTUAL_SIZE 8 #endif #if !GDB_MULTI_ARCH extern struct type * hppa_register_virtual_type (int reg_nr); #define REGISTER_VIRTUAL_TYPE(N) hppa_register_virtual_type (N) #endif #if !GDB_MULTI_ARCH extern void hppa_store_struct_return (CORE_ADDR addr, CORE_ADDR sp); #define STORE_STRUCT_RETURN(ADDR, SP) hppa_store_struct_return (ADDR, SP) #endif /* Extract from an array REGBUF containing the (raw) register state a function return value of type TYPE, and copy that, in virtual format, into VALBUF. */ #if !GDB_MULTI_ARCH void hppa_extract_return_value (struct type *type, char *regbuf, char *valbuf); #define DEPRECATED_EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ hppa_extract_return_value (TYPE, REGBUF, VALBUF); #endif /* elz: decide whether the function returning a value of type type will put it on the stack or in the registers. The pa calling convention says that: register 28 (called ret0 by gdb) contains any ASCII char, and any non_floating point value up to 32-bits. reg 28 and 29 contain non-floating point up tp 64 bits and larger than 32 bits. (higer order word in reg 28). fr4: floating point up to 64 bits sr1: space identifier (32-bit) stack: any lager than 64-bit, with the address in r28 */ #if !GDB_MULTI_ARCH extern use_struct_convention_fn hppa_use_struct_convention; #define USE_STRUCT_CONVENTION(gcc_p,type) hppa_use_struct_convention (gcc_p,type) #endif /* Write into appropriate registers a function return value of type TYPE, given in virtual format. */ #if !GDB_MULTI_ARCH extern void hppa_store_return_value (struct type *type, char *valbuf); #define DEPRECATED_STORE_RETURN_VALUE(TYPE,VALBUF) \ hppa_store_return_value (TYPE, VALBUF); #endif #if !GDB_MULTI_ARCH extern CORE_ADDR hppa_extract_struct_value_address (char *regbuf); #define DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \ hppa_extract_struct_value_address (REGBUF) #endif #if !GDB_MULTI_ARCH extern int hppa_cannot_store_register (int regnum); #define CANNOT_STORE_REGISTER(regno) hppa_cannot_store_register (regno) #endif #if !GDB_MULTI_ARCH #define DEPRECATED_INIT_EXTRA_FRAME_INFO(fromleaf, frame) hppa_init_extra_frame_info (fromleaf, frame) extern void hppa_init_extra_frame_info (int, struct frame_info *); #endif /* Describe the pointer in each stack frame to the previous stack frame (its caller). */ /* DEPRECATED_FRAME_CHAIN takes a frame's nominal address and produces the frame's chain-pointer. */ /* In the case of the PA-RISC, the frame's nominal address is the address of a 4-byte word containing the calling frame's address (previous FP). */ #if !GDB_MULTI_ARCH #define DEPRECATED_FRAME_CHAIN(thisframe) hppa_frame_chain (thisframe) extern CORE_ADDR hppa_frame_chain (struct frame_info *); #endif #if !GDB_MULTI_ARCH extern int hppa_frame_chain_valid (CORE_ADDR, struct frame_info *); #define DEPRECATED_FRAME_CHAIN_VALID(chain, thisframe) hppa_frame_chain_valid (chain, thisframe) #endif /* Define other aspects of the stack frame. */ /* A macro that tells us whether the function invocation represented by FI does not have a frame on the stack associated with it. If it does not, FRAMELESS is set to 1, else 0. */ #if !GDB_MULTI_ARCH #define FRAMELESS_FUNCTION_INVOCATION(FI) \ (hppa_frameless_function_invocation (FI)) extern int hppa_frameless_function_invocation (struct frame_info *); #endif #if !GDB_MULTI_ARCH extern CORE_ADDR hppa_frame_saved_pc (struct frame_info *frame); #define DEPRECATED_FRAME_SAVED_PC(FRAME) hppa_frame_saved_pc (FRAME) #endif #if !GDB_MULTI_ARCH extern CORE_ADDR hppa_frame_locals_address (struct frame_info *fi); #define DEPRECATED_FRAME_LOCALS_ADDRESS(fi) hppa_frame_locals_address (fi) #endif #if !GDB_MULTI_ARCH #define FRAME_ARGS_SKIP 0 #endif /* Things needed for making the inferior call functions. */ #if !GDB_MULTI_ARCH #define DEPRECATED_PUSH_DUMMY_FRAME hppa_push_dummy_frame () extern void hppa_push_dummy_frame (void); #endif /* Discard from the stack the innermost frame, restoring all saved registers. */ #if !GDB_MULTI_ARCH #define DEPRECATED_POP_FRAME hppa_pop_frame () extern void hppa_pop_frame (void); #endif #if !GDB_MULTI_ARCH #define DEPRECATED_CALL_DUMMY_LENGTH (INSTRUCTION_SIZE * 28) #endif #if !GDB_MULTI_ARCH #define DEPRECATED_CALL_DUMMY_START_OFFSET 0 #endif #if !GDB_MULTI_ARCH #define DEPRECATED_PUSH_ARGUMENTS(nargs, args, sp, struct_return, struct_addr) \ (hppa_push_arguments((nargs), (args), (sp), (struct_return), (struct_addr))) extern CORE_ADDR hppa_push_arguments (int, struct value **, CORE_ADDR, int, CORE_ADDR); #endif #if !GDB_MULTI_ARCH extern CORE_ADDR hppa_smash_text_address (CORE_ADDR addr); #define SMASH_TEXT_ADDRESS(addr) hppa_smash_text_address (addr) #endif #if !GDB_MULTI_ARCH #define BELIEVE_PCC_PROMOTION 1 #endif #if !GDB_MULTI_ARCH #define TARGET_READ_PC(pid) hppa_target_read_pc (pid) extern CORE_ADDR hppa_target_read_pc (ptid_t); #endif #if !GDB_MULTI_ARCH #define TARGET_WRITE_PC(v,pid) hppa_target_write_pc (v,pid) extern void hppa_target_write_pc (CORE_ADDR, ptid_t); #endif #if !GDB_MULTI_ARCH #define DEPRECATED_TARGET_READ_FP() hppa_target_read_fp () extern CORE_ADDR hppa_target_read_fp (void); #endif #include "pa/tm-hppah.h" #define HPUX_1100 1 /* The low two bits of the IA are the privilege level of the instruction. */ #define ADDR_BITS_REMOVE(addr) ((CORE_ADDR)addr & (CORE_ADDR)~3) /* Say how long (ordinary) registers are. This is used in push_word and a few other places, but REGISTER_RAW_SIZE is the real way to know how big a register is. */ #undef DEPRECATED_REGISTER_SIZE #define DEPRECATED_REGISTER_SIZE 8 /* Number of bytes of storage in the actual machine representation for register N. On the PA-RISC 2.0, all regs are 8 bytes, including the FP registers (they're accessed as two 4 byte halves). */ #undef REGISTER_RAW_SIZE #define REGISTER_RAW_SIZE(N) 8 /* Largest value REGISTER_RAW_SIZE can have. */ #undef DEPRECATED_MAX_REGISTER_RAW_SIZE #define DEPRECATED_MAX_REGISTER_RAW_SIZE 8 /* Total amount of space needed to store our copies of the machine's register state, the array `registers'. */ #undef DEPRECATED_REGISTER_BYTES #define DEPRECATED_REGISTER_BYTES (NUM_REGS * 8) /* Index within `registers' of the first byte of the space for register N. */ #undef REGISTER_BYTE #define REGISTER_BYTE(N) ((N) * 8) #undef REGISTER_VIRTUAL_TYPE #define REGISTER_VIRTUAL_TYPE(N) \ ((N) < FP4_REGNUM ? builtin_type_unsigned_long_long : builtin_type_double) /* Number of machine registers */ #undef NUM_REGS #define NUM_REGS 96 /* Initializer for an array of names of registers. There should be NUM_REGS strings in this initializer. They are in rows of eight entries */ extern const char *hppa64_register_name (int i); #define REGISTER_NAME hppa64_register_name #undef FP0_REGNUM #undef FP4_REGNUM #define FP0_REGNUM 64 /* floating point reg. 0 (fspr)*/ #define FP4_REGNUM 68 /* Redefine some target bit sizes from the default. */ /* Number of bits in a long or unsigned long for the target machine. */ #define TARGET_LONG_BIT 64 /* Number of bits in a long long or unsigned long long for the target machine. */ #define TARGET_LONG_LONG_BIT 64 /* Number of bits in a pointer for the target machine */ #define TARGET_PTR_BIT 64 /* Argument Pointer Register */ #define AP_REGNUM 29 #define DP_REGNUM 27 #define FP5_REGNUM 70 #define SR5_REGNUM 48 /* We access locals from SP. This may not work for frames which call alloca; for those, we may need to consult unwind tables. jimb: FIXME. */ #undef DEPRECATED_FRAME_LOCALS_ADDRESS #define DEPRECATED_FRAME_LOCALS_ADDRESS(fi) (get_frame_base (fi)) /* For a number of horrible reasons we may have to adjust the location of variables on the stack. Ugh. jimb: why? */ #define HPREAD_ADJUST_STACK_ADDRESS(ADDR) hpread_adjust_stack_address(ADDR) extern int hpread_adjust_stack_address (CORE_ADDR); /* jimb: omitted dynamic linking stuff here */ /* This sequence of words is the instructions ; Call stack frame has already been built by gdb. Since we could be calling ; a varargs function, and we do not have the benefit of a stub to put things in ; the right place, we load the first 8 word of arguments into both the general ; and fp registers. call_dummy nop copy %r4,%r29 copy %r5,%r22 copy %r6,%r27 fldd -64(0,%r29),%fr4 fldd -56(0,%r29),%fr5 fldd -48(0,%r29),%fr6 fldd -40(0,%r29),%fr7 fldd -32(0,%r29),%fr8 fldd -24(0,%r29),%fr9 fldd -16(0,%r29),%fr10 fldd -8(0,%r29),%fr11 copy %r22,%r1 ldd -64(%r29), %r26 ldd -56(%r29), %r25 ldd -48(%r29), %r24 ldd -40(%r29), %r23 ldd -32(%r29), %r22 ldd -24(%r29), %r21 ldd -16(%r29), %r20 bve,l (%r1),%r2 ldd -8(%r29), %r19 break 4, 8 mtsp %r21, %sr0 ble 0(%sr0, %r22) nop */ /* Call dummys are sized and written out in word sized hunks. So we have to pack the instructions into words. Ugh. */ #undef CALL_DUMMY #define CALL_DUMMY {0x08000240349d0000LL, 0x34b6000034db0000LL, \ 0x53a43f8353a53f93LL, 0x53a63fa353a73fb3LL,\ 0x53a83fc353a93fd3LL, 0x2fa1100a2fb1100bLL,\ 0x36c1000053ba3f81LL, 0x53b93f9153b83fa1LL,\ 0x53b73fb153b63fc1LL, 0x53b53fd10fa110d4LL,\ 0xe820f0000fb110d3LL, 0x0001000400151820LL,\ 0xe6c0000008000240LL} #define DEPRECATED_CALL_DUMMY_BREAKPOINT_OFFSET 22 * 4 /* DEPRECATED_CALL_DUMMY_LENGTH is computed based on the size of a word on the target machine, not the size of an instruction. Since a word on this target holds two instructions we have to divide the instruction size by two to get the word size of the dummy. */ #undef DEPRECATED_CALL_DUMMY_LENGTH #define DEPRECATED_CALL_DUMMY_LENGTH (INSTRUCTION_SIZE * 26 / 2) /* The PA64 ABI mandates a 16 byte stack alignment. */ #undef STACK_ALIGN #define STACK_ALIGN(arg) ( ((arg)%16) ? (((arg)+15)&-16) : (arg)) /* The PA64 ABI reserves 64 bytes of stack space for outgoing register parameters. */ #undef REG_PARM_STACK_SPACE #define REG_PARM_STACK_SPACE 64 /* Use the 64-bit calling conventions designed for the PA2.0 in wide mode. */ #define PA20W_CALLING_CONVENTIONS #undef FUNC_LDIL_OFFSET #undef FUNC_LDO_OFFSET #undef SR4EXPORT_LDIL_OFFSET #undef SR4EXPORT_LDO_OFFSET #undef REG_STRUCT_HAS_ADDR #undef DEPRECATED_EXTRACT_RETURN_VALUE /* RM: floats are returned in FR4R, doubles in FR4 * integral values are in r28, padded on the left * aggregates less that 65 bits are in r28, right padded * aggregates upto 128 bits are in r28 and r29, right padded */ #define DEPRECATED_EXTRACT_RETURN_VALUE(TYPE,REGBUF,VALBUF) \ { \ if (TYPE_CODE (TYPE) == TYPE_CODE_FLT) \ memcpy ((VALBUF), \ ((char *)(REGBUF)) + REGISTER_BYTE (FP4_REGNUM) + \ (DEPRECATED_REGISTER_SIZE - TYPE_LENGTH (TYPE)), \ TYPE_LENGTH (TYPE)); \ else if (is_integral_type(TYPE)) \ memcpy ((VALBUF), \ (char *)(REGBUF) + REGISTER_BYTE (28) + \ (DEPRECATED_REGISTER_SIZE - TYPE_LENGTH (TYPE)), \ TYPE_LENGTH (TYPE)); \ else if (TYPE_LENGTH (TYPE) <= 8) \ memcpy ((VALBUF), \ (char *)(REGBUF) + REGISTER_BYTE (28), \ TYPE_LENGTH (TYPE)); \ else if (TYPE_LENGTH (TYPE) <= 16) \ { \ memcpy ((VALBUF), \ (char *)(REGBUF) + REGISTER_BYTE (28), \ 8); \ memcpy (((char *) VALBUF + 8), \ (char *)(REGBUF) + REGISTER_BYTE (29), \ TYPE_LENGTH (TYPE) - 8); \ } \ } /* RM: struct upto 128 bits are returned in registers */ #undef USE_STRUCT_CONVENTION #define USE_STRUCT_CONVENTION(gcc_p, value_type)\ (TYPE_LENGTH (value_type) > 16) /* RM: for return command */ #undef DEPRECATED_STORE_RETURN_VALUE #define DEPRECATED_STORE_RETURN_VALUE(TYPE,VALBUF) \ { \ if (TYPE_CODE (TYPE) == TYPE_CODE_FLT) \ deprecated_write_register_bytes \ (REGISTER_BYTE (FP4_REGNUM) + \ (DEPRECATED_REGISTER_SIZE - TYPE_LENGTH (TYPE)), \ (VALBUF), \ TYPE_LENGTH (TYPE)); \ else if (is_integral_type(TYPE)) \ deprecated_write_register_bytes \ (REGISTER_BYTE (28) + \ (DEPRECATED_REGISTER_SIZE - TYPE_LENGTH (TYPE)), \ (VALBUF), \ TYPE_LENGTH (TYPE)); \ else if (TYPE_LENGTH (TYPE) <= 8) \ deprecated_write_register_bytes \ ( REGISTER_BYTE (28), \ (VALBUF), \ TYPE_LENGTH (TYPE)); \ else if (TYPE_LENGTH (TYPE) <= 16) \ { \ deprecated_write_register_bytes \ (REGISTER_BYTE (28), \ (VALBUF), \ 8); \ deprecated_write_register_bytes \ (REGISTER_BYTE (29), \ ((char *) VALBUF + 8), \ TYPE_LENGTH (TYPE) - 8); \ } \ } /* RM: these are the PA64 equivalents of the macros in tm-hppah.h -- * see comments there. For PA64, the save_state structure is at an * offset of 24 32-bit words from the sigcontext structure. The 64 bit * general registers are at an offset of 640 bytes from the beginning of the * save_state structure, and the floating pointer register are at an offset * of 256 bytes from the beginning of the save_state structure. */ #undef FRAME_SAVED_PC_IN_SIGTRAMP #define FRAME_SAVED_PC_IN_SIGTRAMP(FRAME, TMP) \ { \ *(TMP) = read_memory_integer (get_frame_base (FRAME) + (24 * 4) + 640 + (33 * 8), 8); \ } #undef FRAME_BASE_BEFORE_SIGTRAMP #define FRAME_BASE_BEFORE_SIGTRAMP(FRAME, TMP) \ { \ *(TMP) = read_memory_integer (get_frame_base (FRAME) + (24 * 4) + 640 + (30 * 8), 8); \ } #undef FRAME_FIND_SAVED_REGS_IN_SIGTRAMP #define FRAME_FIND_SAVED_REGS_IN_SIGTRAMP(FRAME, FSR) \ { \ int i; \ CORE_ADDR TMP1, TMP2; \ TMP1 = get_frame_base (FRAME) + (24 * 4) + 640; \ TMP2 = get_frame_base (FRAME) + (24 * 4) + 256; \ for (i = 0; i < NUM_REGS; i++) \ { \ if (i == SP_REGNUM) \ (FSR)[SP_REGNUM] = read_memory_integer (TMP1 + SP_REGNUM * 8, 8); \ else if (i >= FP0_REGNUM) \ (FSR)[i] = TMP2 + (i - FP0_REGNUM) * 8; \ else \ (FSR)[i] = TMP1 + i * 8; \ } \ } /* jimb: omitted purify call support */