From 480d3dd25be4a44e74f1678d7ac8ca141dfac752 Mon Sep 17 00:00:00 2001 From: Andrew Cagney Date: Thu, 8 Jan 2004 04:20:57 +0000 Subject: [PATCH] 2004-01-07 Andrew Cagney * mips-tdep.c (MIPS_DEFAULT_MASK_ADDRESS_P): Delete macro. (mips_mask_address_p): Add "tdep" parameter. (show_mask_address, mips_addr_bits_remove): Update. (mips_dump_tdep): Update. (MIPS_DEFAULT_STACK_ARGSIZE): Delete macro. (MIPS_STACK_ARGSIZE): Delete macro. (mips_stack_argsize, mips_eabi_push_dummy_call): Update. (mips_n32n64_push_dummy_call, mips_o32_push_dummy_call): Update. (mips_o64_push_dummy_call, mips_o32_return_value): Update. (mips_dump_tdep): Update. (MIPS_SAVED_REGSIZE): Delete macro. (MIPS_DEFAULT_SAVED_REGSIZE): Delete macro. (mips_saved_regsize, mips_eabi_use_struct_convention): Update. (mips_eabi_reg_struct_has_addr, mips_find_saved_regs): Update. (mips_frame_saved_pc, mips16_heuristic_proc_desc): Update. (mips_eabi_push_dummy_call, mips_n32n64_push_dummy_call): Update. (mips_o32_push_dummy_call, mips_o64_push_dummy_call): Update. (mips_pop_frame, return_value_location): Update. (mips_n32n64_return_value, mips_dump_tdep): Update. --- gdb/ChangeLog | 20 +++ gdb/mips-tdep.c | 344 +++++++++++++++++++++++++----------------------- 2 files changed, 200 insertions(+), 164 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index c8ab113206..15270d8d7e 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,25 @@ 2004-01-07 Andrew Cagney + * mips-tdep.c (MIPS_DEFAULT_MASK_ADDRESS_P): Delete macro. + (mips_mask_address_p): Add "tdep" parameter. + (show_mask_address, mips_addr_bits_remove): Update. + (mips_dump_tdep): Update. + (MIPS_DEFAULT_STACK_ARGSIZE): Delete macro. + (MIPS_STACK_ARGSIZE): Delete macro. + (mips_stack_argsize, mips_eabi_push_dummy_call): Update. + (mips_n32n64_push_dummy_call, mips_o32_push_dummy_call): Update. + (mips_o64_push_dummy_call, mips_o32_return_value): Update. + (mips_dump_tdep): Update. + (MIPS_SAVED_REGSIZE): Delete macro. + (MIPS_DEFAULT_SAVED_REGSIZE): Delete macro. + (mips_saved_regsize, mips_eabi_use_struct_convention): Update. + (mips_eabi_reg_struct_has_addr, mips_find_saved_regs): Update. + (mips_frame_saved_pc, mips16_heuristic_proc_desc): Update. + (mips_eabi_push_dummy_call, mips_n32n64_push_dummy_call): Update. + (mips_o32_push_dummy_call, mips_o64_push_dummy_call): Update. + (mips_pop_frame, return_value_location): Update. + (mips_n32n64_return_value, mips_dump_tdep): Update. + * mips-tdep.c (mips_gdbarch_init): Clean up code selecting the MIPS ABI. diff --git a/gdb/mips-tdep.c b/gdb/mips-tdep.c index dbd77790d8..8caf5e3624 100644 --- a/gdb/mips-tdep.c +++ b/gdb/mips-tdep.c @@ -168,14 +168,6 @@ mips_fpa0_regnum (struct gdbarch *gdbarch) #define MIPS_FPU_TYPE (gdbarch_tdep (current_gdbarch)->mips_fpu_type) -/* Return the currently configured (or set) saved register size. */ - -#define MIPS_DEFAULT_SAVED_REGSIZE (gdbarch_tdep (current_gdbarch)->mips_default_saved_regsize) - -static const char *mips_saved_regsize_string = size_auto; - -#define MIPS_SAVED_REGSIZE (mips_saved_regsize()) - /* MIPS16 function addresses are odd (bit 0 is set). Here are some functions to test, set, or clear bit 0 of addresses. */ @@ -241,11 +233,15 @@ mips_regsize (struct gdbarch *gdbarch) / gdbarch_bfd_arch_info (gdbarch)->bits_per_byte); } +/* Return the currently configured (or set) saved register size. */ + +static const char *mips_saved_regsize_string = size_auto; + static unsigned int -mips_saved_regsize (void) +mips_saved_regsize (struct gdbarch_tdep *tdep) { if (mips_saved_regsize_string == size_auto) - return MIPS_DEFAULT_SAVED_REGSIZE; + return tdep->mips_default_saved_regsize; else if (mips_saved_regsize_string == size_64) return 8; else /* if (mips_saved_regsize_string == size_32) */ @@ -368,25 +364,19 @@ mips2_fp_compat (void) different to MIPS_SAVED_REGSIZE as it determines the alignment of data allocated after the registers have run out. */ -#define MIPS_DEFAULT_STACK_ARGSIZE (gdbarch_tdep (current_gdbarch)->mips_default_stack_argsize) - -#define MIPS_STACK_ARGSIZE (mips_stack_argsize ()) - static const char *mips_stack_argsize_string = size_auto; static unsigned int -mips_stack_argsize (void) +mips_stack_argsize (struct gdbarch_tdep *tdep) { if (mips_stack_argsize_string == size_auto) - return MIPS_DEFAULT_STACK_ARGSIZE; + return tdep->mips_default_stack_argsize; else if (mips_stack_argsize_string == size_64) return 8; else /* if (mips_stack_argsize_string == size_32) */ return 4; } -#define MIPS_DEFAULT_MASK_ADDRESS_P (gdbarch_tdep (current_gdbarch)->default_mask_address_p) - #define VM_MIN_ADDRESS (CORE_ADDR)0x400000 static mips_extra_func_info_t heuristic_proc_desc (CORE_ADDR, CORE_ADDR, @@ -743,7 +733,7 @@ mips_read_sp (void) enum auto_boolean mask_address_var = AUTO_BOOLEAN_AUTO; static int -mips_mask_address_p (void) +mips_mask_address_p (struct gdbarch_tdep *tdep) { switch (mask_address_var) { @@ -753,7 +743,7 @@ mips_mask_address_p (void) return 0; break; case AUTO_BOOLEAN_AUTO: - return MIPS_DEFAULT_MASK_ADDRESS_P; + return tdep->default_mask_address_p; default: internal_error (__FILE__, __LINE__, "mips_mask_address_p: bad switch"); @@ -764,6 +754,7 @@ mips_mask_address_p (void) static void show_mask_address (char *cmd, int from_tty, struct cmd_list_element *c) { + struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); switch (mask_address_var) { case AUTO_BOOLEAN_TRUE: @@ -774,7 +765,7 @@ show_mask_address (char *cmd, int from_tty, struct cmd_list_element *c) break; case AUTO_BOOLEAN_AUTO: printf_filtered ("The 32 bit address mask is set automatically. Currently %s\n", - mips_mask_address_p () ? "enabled" : "disabled"); + mips_mask_address_p (tdep) ? "enabled" : "disabled"); break; default: internal_error (__FILE__, __LINE__, @@ -788,7 +779,8 @@ show_mask_address (char *cmd, int from_tty, struct cmd_list_element *c) static int mips_eabi_use_struct_convention (int gcc_p, struct type *type) { - return (TYPE_LENGTH (type) > 2 * MIPS_SAVED_REGSIZE); + struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); + return (TYPE_LENGTH (type) > 2 * mips_saved_regsize (tdep)); } /* Should call_function pass struct by reference? @@ -800,9 +792,10 @@ mips_eabi_reg_struct_has_addr (int gcc_p, struct type *type) { enum type_code typecode = TYPE_CODE (check_typedef (type)); int len = TYPE_LENGTH (check_typedef (type)); + struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); if (typecode == TYPE_CODE_STRUCT || typecode == TYPE_CODE_UNION) - return (len > MIPS_SAVED_REGSIZE); + return (len > mips_saved_regsize (tdep)); return 0; } @@ -1480,6 +1473,7 @@ mips_find_saved_regs (struct frame_info *fci) mips_extra_func_info_t proc_desc; t_inst inst; CORE_ADDR *saved_regs; + struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); if (deprecated_get_frame_saved_regs (fci) != NULL) return; @@ -1591,7 +1585,7 @@ mips_find_saved_regs (struct frame_info *fci) if (gen_mask & 0x80000000) { set_reg_offset (saved_regs, ireg, reg_position); - reg_position -= MIPS_SAVED_REGSIZE; + reg_position -= mips_saved_regsize (tdep); } } @@ -1612,14 +1606,14 @@ mips_find_saved_regs (struct frame_info *fci) CORE_ADDR reg_position = (get_frame_base (fci) + PROC_REG_OFFSET (proc_desc)); if (inst & 0x20) - reg_position -= MIPS_SAVED_REGSIZE; + reg_position -= mips_saved_regsize (tdep); /* Check if the s0 and s1 registers were pushed on the stack. */ for (reg = 16; reg < sreg_count + 16; reg++) { set_reg_offset (saved_regs, reg, reg_position); - reg_position -= MIPS_SAVED_REGSIZE; + reg_position -= mips_saved_regsize (tdep); } } } @@ -1635,7 +1629,8 @@ mips_find_saved_regs (struct frame_info *fci) for (ireg = MIPS_NUMREGS - 1; float_mask; --ireg, float_mask <<= 1) if (float_mask & 0x80000000) { - if (MIPS_SAVED_REGSIZE == 4 && TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) + if (mips_saved_regsize (tdep) == 4 + && TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) { /* On a big endian 32 bit ABI, floating point registers are paired to form doubles such that the most @@ -1661,14 +1656,14 @@ mips_find_saved_regs (struct frame_info *fci) loop). */ if ((ireg & 1)) set_reg_offset (saved_regs, mips_regnum (current_gdbarch)->fp0 + ireg, - reg_position - MIPS_SAVED_REGSIZE); + reg_position - mips_saved_regsize (tdep)); else set_reg_offset (saved_regs, mips_regnum (current_gdbarch)->fp0 + ireg, - reg_position + MIPS_SAVED_REGSIZE); + reg_position + mips_saved_regsize (tdep)); } else set_reg_offset (saved_regs, mips_regnum (current_gdbarch)->fp0 + ireg, reg_position); - reg_position -= MIPS_SAVED_REGSIZE; + reg_position -= mips_saved_regsize (tdep); } set_reg_offset (saved_regs, PC_REGNUM, saved_regs[RA_REGNUM]); @@ -1705,7 +1700,8 @@ read_next_frame_reg (struct frame_info *fi, int regno) static CORE_ADDR mips_addr_bits_remove (CORE_ADDR addr) { - if (mips_mask_address_p () + struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); + if (mips_mask_address_p (tdep) && (((ULONGEST) addr) >> 32 == 0xffffffffUL)) /* This hack is a work-around for existing boards using PMON, the simulator, and any other 64-bit targets that doesn't have true @@ -1773,6 +1769,7 @@ static CORE_ADDR mips_frame_saved_pc (struct frame_info *frame) { CORE_ADDR saved_pc; + struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); if (DEPRECATED_PC_IN_CALL_DUMMY (get_frame_pc (frame), 0, 0)) { @@ -1784,7 +1781,9 @@ mips_frame_saved_pc (struct frame_info *frame) mips_extra_func_info_t proc_desc = get_frame_extra_info (frame)->proc_desc; if (proc_desc && PROC_DESC_IS_DUMMY (proc_desc)) - saved_pc = read_memory_integer (get_frame_base (frame) - MIPS_SAVED_REGSIZE, MIPS_SAVED_REGSIZE); + saved_pc = read_memory_integer ((get_frame_base (frame) + - mips_saved_regsize (tdep)) + , mips_saved_regsize (tdep)); else { /* We have to get the saved pc from the sigcontext if it is @@ -1991,6 +1990,7 @@ mips16_heuristic_proc_desc (CORE_ADDR start_pc, CORE_ADDR limit_pc, unsigned inst = 0; /* current instruction */ unsigned entry_inst = 0; /* the entry instruction */ int reg, offset; + struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); PROC_FRAME_OFFSET (&temp_proc_desc) = 0; /* size of stack frame */ PROC_FRAME_ADJUST (&temp_proc_desc) = 0; /* offset of FP from SP */ @@ -2096,7 +2096,7 @@ mips16_heuristic_proc_desc (CORE_ADDR start_pc, CORE_ADDR limit_pc, { PROC_REG_MASK (&temp_proc_desc) |= 1 << reg; set_reg_offset (temp_saved_regs, reg, sp + offset); - offset += MIPS_SAVED_REGSIZE; + offset += mips_saved_regsize (tdep); } /* Check if the ra register was pushed on the stack. */ @@ -2105,7 +2105,7 @@ mips16_heuristic_proc_desc (CORE_ADDR start_pc, CORE_ADDR limit_pc, { PROC_REG_MASK (&temp_proc_desc) |= 1 << RA_REGNUM; set_reg_offset (temp_saved_regs, RA_REGNUM, sp + offset); - offset -= MIPS_SAVED_REGSIZE; + offset -= mips_saved_regsize (tdep); } /* Check if the s0 and s1 registers were pushed on the stack. */ @@ -2113,7 +2113,7 @@ mips16_heuristic_proc_desc (CORE_ADDR start_pc, CORE_ADDR limit_pc, { PROC_REG_MASK (&temp_proc_desc) |= 1 << reg; set_reg_offset (temp_saved_regs, reg, sp + offset); - offset -= MIPS_SAVED_REGSIZE; + offset -= mips_saved_regsize (tdep); } } } @@ -2728,6 +2728,7 @@ mips_eabi_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, int argnum; int len = 0; int stack_offset = 0; + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); /* For shared libraries, "t9" needs to point at the function address. */ @@ -2751,7 +2752,7 @@ mips_eabi_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, passed in registers, but that's OK. */ for (argnum = 0; argnum < nargs; argnum++) len += align_up (TYPE_LENGTH (VALUE_TYPE (args[argnum])), - MIPS_STACK_ARGSIZE); + mips_stack_argsize (tdep)); sp -= align_up (len, 16); if (mips_debug) @@ -2792,12 +2793,13 @@ mips_eabi_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, /* The EABI passes structures that do not fit in a register by reference. */ - if (len > MIPS_SAVED_REGSIZE + if (len > mips_saved_regsize (tdep) && (typecode == TYPE_CODE_STRUCT || typecode == TYPE_CODE_UNION)) { - store_unsigned_integer (valbuf, MIPS_SAVED_REGSIZE, VALUE_ADDRESS (arg)); + store_unsigned_integer (valbuf, mips_saved_regsize (tdep), + VALUE_ADDRESS (arg)); typecode = TYPE_CODE_PTR; - len = MIPS_SAVED_REGSIZE; + len = mips_saved_regsize (tdep); val = valbuf; if (mips_debug) fprintf_unfiltered (gdb_stdlog, " push"); @@ -2874,8 +2876,8 @@ mips_eabi_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, in registers where gcc sometimes puts them on the stack. For maximum compatibility, we will put them in both places. */ - int odd_sized_struct = ((len > MIPS_SAVED_REGSIZE) && - (len % MIPS_SAVED_REGSIZE != 0)); + int odd_sized_struct = ((len > mips_saved_regsize (tdep)) + && (len % mips_saved_regsize (tdep) != 0)); /* Note: Floating-point values that didn't fit into an FP register are only written to memory. */ @@ -2883,8 +2885,8 @@ mips_eabi_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, { /* Remember if the argument was written to the stack. */ int stack_used_p = 0; - int partial_len = - len < MIPS_SAVED_REGSIZE ? len : MIPS_SAVED_REGSIZE; + int partial_len = (len < mips_saved_regsize (tdep) + ? len : mips_saved_regsize (tdep)); if (mips_debug) fprintf_unfiltered (gdb_stdlog, " -- partial=%d", @@ -2902,15 +2904,17 @@ mips_eabi_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, stack_used_p = 1; if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) { - if (MIPS_STACK_ARGSIZE == 8 && - (typecode == TYPE_CODE_INT || - typecode == TYPE_CODE_PTR || - typecode == TYPE_CODE_FLT) && len <= 4) - longword_offset = MIPS_STACK_ARGSIZE - len; - else if ((typecode == TYPE_CODE_STRUCT || - typecode == TYPE_CODE_UNION) && - TYPE_LENGTH (arg_type) < MIPS_STACK_ARGSIZE) - longword_offset = MIPS_STACK_ARGSIZE - len; + if (mips_stack_argsize (tdep) == 8 + && (typecode == TYPE_CODE_INT + || typecode == TYPE_CODE_PTR + || typecode == TYPE_CODE_FLT) + && len <= 4) + longword_offset = mips_stack_argsize (tdep) - len; + else if ((typecode == TYPE_CODE_STRUCT + || typecode == TYPE_CODE_UNION) + && (TYPE_LENGTH (arg_type) + < mips_stack_argsize (tdep))) + longword_offset = mips_stack_argsize (tdep) - len; } if (mips_debug) @@ -2950,7 +2954,7 @@ mips_eabi_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, if (mips_debug) fprintf_filtered (gdb_stdlog, " - reg=%d val=%s", argreg, - phex (regval, MIPS_SAVED_REGSIZE)); + phex (regval, mips_saved_regsize (tdep))); write_register (argreg, regval); argreg++; } @@ -2965,7 +2969,8 @@ mips_eabi_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, only needs to be adjusted when it has been used. */ if (stack_used_p) - stack_offset += align_up (partial_len, MIPS_STACK_ARGSIZE); + stack_offset += align_up (partial_len, + mips_stack_argsize (tdep)); } } if (mips_debug) @@ -2991,6 +2996,7 @@ mips_n32n64_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, int argnum; int len = 0; int stack_offset = 0; + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); /* For shared libraries, "t9" needs to point at the function address. */ @@ -3012,7 +3018,7 @@ mips_n32n64_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, /* Now make space on the stack for the args. */ for (argnum = 0; argnum < nargs; argnum++) len += align_up (TYPE_LENGTH (VALUE_TYPE (args[argnum])), - MIPS_STACK_ARGSIZE); + mips_stack_argsize (tdep)); sp -= align_up (len, 16); if (mips_debug) @@ -3082,16 +3088,16 @@ mips_n32n64_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, in registers where gcc sometimes puts them on the stack. For maximum compatibility, we will put them in both places. */ - int odd_sized_struct = ((len > MIPS_SAVED_REGSIZE) && - (len % MIPS_SAVED_REGSIZE != 0)); + int odd_sized_struct = ((len > mips_saved_regsize (tdep)) + && (len % mips_saved_regsize (tdep) != 0)); /* Note: Floating-point values that didn't fit into an FP register are only written to memory. */ while (len > 0) { /* Rememer if the argument was written to the stack. */ int stack_used_p = 0; - int partial_len = len < MIPS_SAVED_REGSIZE ? - len : MIPS_SAVED_REGSIZE; + int partial_len = (len < mips_saved_regsize (tdep) + ? len : mips_saved_regsize (tdep)); if (mips_debug) fprintf_unfiltered (gdb_stdlog, " -- partial=%d", @@ -3109,11 +3115,12 @@ mips_n32n64_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, stack_used_p = 1; if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) { - if (MIPS_STACK_ARGSIZE == 8 && - (typecode == TYPE_CODE_INT || - typecode == TYPE_CODE_PTR || - typecode == TYPE_CODE_FLT) && len <= 4) - longword_offset = MIPS_STACK_ARGSIZE - len; + if (mips_stack_argsize (tdep) == 8 + && (typecode == TYPE_CODE_INT + || typecode == TYPE_CODE_PTR + || typecode == TYPE_CODE_FLT) + && len <= 4) + longword_offset = mips_stack_argsize (tdep) - len; } if (mips_debug) @@ -3161,28 +3168,29 @@ mips_n32n64_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, cagney/2001-07-23: gdb/179: Also, GCC, when outputting LE O32 with sizeof (struct) < - MIPS_SAVED_REGSIZE, generates a left shift as + mips_saved_regsize(), generates a left shift as part of storing the argument in a register a register (the left shift isn't generated when - sizeof (struct) >= MIPS_SAVED_REGSIZE). Since it - is quite possible that this is GCC contradicting - the LE/O32 ABI, GDB has not been adjusted to - accommodate this. Either someone needs to - demonstrate that the LE/O32 ABI specifies such a - left shift OR this new ABI gets identified as - such and GDB gets tweaked accordingly. */ + sizeof (struct) >= mips_saved_regsize()). Since + it is quite possible that this is GCC + contradicting the LE/O32 ABI, GDB has not been + adjusted to accommodate this. Either someone + needs to demonstrate that the LE/O32 ABI + specifies such a left shift OR this new ABI gets + identified as such and GDB gets tweaked + accordingly. */ if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG - && partial_len < MIPS_SAVED_REGSIZE + && partial_len < mips_saved_regsize (tdep) && (typecode == TYPE_CODE_STRUCT || typecode == TYPE_CODE_UNION)) - regval <<= ((MIPS_SAVED_REGSIZE - partial_len) * + regval <<= ((mips_saved_regsize (tdep) - partial_len) * TARGET_CHAR_BIT); if (mips_debug) fprintf_filtered (gdb_stdlog, " - reg=%d val=%s", argreg, - phex (regval, MIPS_SAVED_REGSIZE)); + phex (regval, mips_saved_regsize (tdep))); write_register (argreg, regval); argreg++; } @@ -3197,7 +3205,8 @@ mips_n32n64_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, adjusted when it has been used. */ if (stack_used_p) - stack_offset += align_up (partial_len, MIPS_STACK_ARGSIZE); + stack_offset += align_up (partial_len, + mips_stack_argsize (tdep)); } } if (mips_debug) @@ -3223,6 +3232,7 @@ mips_o32_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, int argnum; int len = 0; int stack_offset = 0; + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); /* For shared libraries, "t9" needs to point at the function address. */ @@ -3244,7 +3254,7 @@ mips_o32_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, /* Now make space on the stack for the args. */ for (argnum = 0; argnum < nargs; argnum++) len += align_up (TYPE_LENGTH (VALUE_TYPE (args[argnum])), - MIPS_STACK_ARGSIZE); + mips_stack_argsize (tdep)); sp -= align_up (len, 16); if (mips_debug) @@ -3264,7 +3274,7 @@ mips_o32_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, "mips_o32_push_dummy_call: struct_return reg=%d 0x%s\n", argreg, paddr_nz (struct_addr)); write_register (argreg++, struct_addr); - stack_offset += MIPS_STACK_ARGSIZE; + stack_offset += mips_stack_argsize (tdep); } /* Now load as many as possible of the first arguments into @@ -3361,7 +3371,7 @@ mips_o32_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, argreg += FP_REGISTER_DOUBLE ? 1 : 2; } /* Reserve space for the FP register. */ - stack_offset += align_up (len, MIPS_STACK_ARGSIZE); + stack_offset += align_up (len, mips_stack_argsize (tdep)); } else { @@ -3373,11 +3383,11 @@ mips_o32_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, in registers where gcc sometimes puts them on the stack. For maximum compatibility, we will put them in both places. */ - int odd_sized_struct = ((len > MIPS_SAVED_REGSIZE) && - (len % MIPS_SAVED_REGSIZE != 0)); + int odd_sized_struct = ((len > mips_saved_regsize (tdep)) + && (len % mips_saved_regsize (tdep) != 0)); /* Structures should be aligned to eight bytes (even arg registers) on MIPS_ABI_O32, if their first member has double precision. */ - if (MIPS_SAVED_REGSIZE < 8 + if (mips_saved_regsize (tdep) < 8 && mips_type_needs_double_align (arg_type)) { if ((argreg & 1)) @@ -3389,8 +3399,8 @@ mips_o32_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, { /* Remember if the argument was written to the stack. */ int stack_used_p = 0; - int partial_len = - len < MIPS_SAVED_REGSIZE ? len : MIPS_SAVED_REGSIZE; + int partial_len = (len < mips_saved_regsize (tdep) + ? len : mips_saved_regsize (tdep)); if (mips_debug) fprintf_unfiltered (gdb_stdlog, " -- partial=%d", @@ -3408,11 +3418,12 @@ mips_o32_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, stack_used_p = 1; if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) { - if (MIPS_STACK_ARGSIZE == 8 && - (typecode == TYPE_CODE_INT || - typecode == TYPE_CODE_PTR || - typecode == TYPE_CODE_FLT) && len <= 4) - longword_offset = MIPS_STACK_ARGSIZE - len; + if (mips_stack_argsize (tdep) == 8 + && (typecode == TYPE_CODE_INT + || typecode == TYPE_CODE_PTR + || typecode == TYPE_CODE_FLT) + && len <= 4) + longword_offset = mips_stack_argsize (tdep) - len; } if (mips_debug) @@ -3449,7 +3460,7 @@ mips_o32_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, { LONGEST regval = extract_signed_integer (val, partial_len); /* Value may need to be sign extended, because - mips_regsize() != MIPS_SAVED_REGSIZE. */ + mips_regsize() != mips_saved_regsize(). */ /* A non-floating-point argument being passed in a general register. If a struct or union, and if @@ -3464,29 +3475,30 @@ mips_o32_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, cagney/2001-07-23: gdb/179: Also, GCC, when outputting LE O32 with sizeof (struct) < - MIPS_SAVED_REGSIZE, generates a left shift as + mips_saved_regsize(), generates a left shift as part of storing the argument in a register a register (the left shift isn't generated when - sizeof (struct) >= MIPS_SAVED_REGSIZE). Since it - is quite possible that this is GCC contradicting - the LE/O32 ABI, GDB has not been adjusted to - accommodate this. Either someone needs to - demonstrate that the LE/O32 ABI specifies such a - left shift OR this new ABI gets identified as - such and GDB gets tweaked accordingly. */ + sizeof (struct) >= mips_saved_regsize()). Since + it is quite possible that this is GCC + contradicting the LE/O32 ABI, GDB has not been + adjusted to accommodate this. Either someone + needs to demonstrate that the LE/O32 ABI + specifies such a left shift OR this new ABI gets + identified as such and GDB gets tweaked + accordingly. */ - if (MIPS_SAVED_REGSIZE < 8 + if (mips_saved_regsize (tdep) < 8 && TARGET_BYTE_ORDER == BFD_ENDIAN_BIG - && partial_len < MIPS_SAVED_REGSIZE + && partial_len < mips_saved_regsize (tdep) && (typecode == TYPE_CODE_STRUCT || typecode == TYPE_CODE_UNION)) - regval <<= ((MIPS_SAVED_REGSIZE - partial_len) * + regval <<= ((mips_saved_regsize (tdep) - partial_len) * TARGET_CHAR_BIT); if (mips_debug) fprintf_filtered (gdb_stdlog, " - reg=%d val=%s", argreg, - phex (regval, MIPS_SAVED_REGSIZE)); + phex (regval, mips_saved_regsize (tdep))); write_register (argreg, regval); argreg++; @@ -3506,7 +3518,8 @@ mips_o32_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, refered to as their "home". Consequently, space is always allocated. */ - stack_offset += align_up (partial_len, MIPS_STACK_ARGSIZE); + stack_offset += align_up (partial_len, + mips_stack_argsize (tdep)); } } if (mips_debug) @@ -3532,6 +3545,7 @@ mips_o64_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, int argnum; int len = 0; int stack_offset = 0; + struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); /* For shared libraries, "t9" needs to point at the function address. */ @@ -3553,7 +3567,7 @@ mips_o64_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, /* Now make space on the stack for the args. */ for (argnum = 0; argnum < nargs; argnum++) len += align_up (TYPE_LENGTH (VALUE_TYPE (args[argnum])), - MIPS_STACK_ARGSIZE); + mips_stack_argsize (tdep)); sp -= align_up (len, 16); if (mips_debug) @@ -3573,7 +3587,7 @@ mips_o64_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, "mips_o64_push_dummy_call: struct_return reg=%d 0x%s\n", argreg, paddr_nz (struct_addr)); write_register (argreg++, struct_addr); - stack_offset += MIPS_STACK_ARGSIZE; + stack_offset += mips_stack_argsize (tdep); } /* Now load as many as possible of the first arguments into @@ -3670,7 +3684,7 @@ mips_o64_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, argreg += FP_REGISTER_DOUBLE ? 1 : 2; } /* Reserve space for the FP register. */ - stack_offset += align_up (len, MIPS_STACK_ARGSIZE); + stack_offset += align_up (len, mips_stack_argsize (tdep)); } else { @@ -3682,11 +3696,11 @@ mips_o64_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, in registers where gcc sometimes puts them on the stack. For maximum compatibility, we will put them in both places. */ - int odd_sized_struct = ((len > MIPS_SAVED_REGSIZE) && - (len % MIPS_SAVED_REGSIZE != 0)); + int odd_sized_struct = ((len > mips_saved_regsize (tdep)) + && (len % mips_saved_regsize (tdep) != 0)); /* Structures should be aligned to eight bytes (even arg registers) on MIPS_ABI_O32, if their first member has double precision. */ - if (MIPS_SAVED_REGSIZE < 8 + if (mips_saved_regsize (tdep) < 8 && mips_type_needs_double_align (arg_type)) { if ((argreg & 1)) @@ -3698,8 +3712,8 @@ mips_o64_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, { /* Remember if the argument was written to the stack. */ int stack_used_p = 0; - int partial_len = - len < MIPS_SAVED_REGSIZE ? len : MIPS_SAVED_REGSIZE; + int partial_len = (len < mips_saved_regsize (tdep) + ? len : mips_saved_regsize (tdep)); if (mips_debug) fprintf_unfiltered (gdb_stdlog, " -- partial=%d", @@ -3717,11 +3731,12 @@ mips_o64_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, stack_used_p = 1; if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) { - if (MIPS_STACK_ARGSIZE == 8 && - (typecode == TYPE_CODE_INT || - typecode == TYPE_CODE_PTR || - typecode == TYPE_CODE_FLT) && len <= 4) - longword_offset = MIPS_STACK_ARGSIZE - len; + if (mips_stack_argsize (tdep) == 8 + && (typecode == TYPE_CODE_INT + || typecode == TYPE_CODE_PTR + || typecode == TYPE_CODE_FLT) + && len <= 4) + longword_offset = mips_stack_argsize (tdep) - len; } if (mips_debug) @@ -3758,7 +3773,7 @@ mips_o64_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, { LONGEST regval = extract_signed_integer (val, partial_len); /* Value may need to be sign extended, because - mips_regsize() != MIPS_SAVED_REGSIZE. */ + mips_regsize() != mips_saved_regsize(). */ /* A non-floating-point argument being passed in a general register. If a struct or union, and if @@ -3773,29 +3788,30 @@ mips_o64_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, cagney/2001-07-23: gdb/179: Also, GCC, when outputting LE O32 with sizeof (struct) < - MIPS_SAVED_REGSIZE, generates a left shift as + mips_saved_regsize(), generates a left shift as part of storing the argument in a register a register (the left shift isn't generated when - sizeof (struct) >= MIPS_SAVED_REGSIZE). Since it - is quite possible that this is GCC contradicting - the LE/O32 ABI, GDB has not been adjusted to - accommodate this. Either someone needs to - demonstrate that the LE/O32 ABI specifies such a - left shift OR this new ABI gets identified as - such and GDB gets tweaked accordingly. */ + sizeof (struct) >= mips_saved_regsize()). Since + it is quite possible that this is GCC + contradicting the LE/O32 ABI, GDB has not been + adjusted to accommodate this. Either someone + needs to demonstrate that the LE/O32 ABI + specifies such a left shift OR this new ABI gets + identified as such and GDB gets tweaked + accordingly. */ - if (MIPS_SAVED_REGSIZE < 8 + if (mips_saved_regsize (tdep) < 8 && TARGET_BYTE_ORDER == BFD_ENDIAN_BIG - && partial_len < MIPS_SAVED_REGSIZE + && partial_len < mips_saved_regsize (tdep) && (typecode == TYPE_CODE_STRUCT || typecode == TYPE_CODE_UNION)) - regval <<= ((MIPS_SAVED_REGSIZE - partial_len) * + regval <<= ((mips_saved_regsize (tdep) - partial_len) * TARGET_CHAR_BIT); if (mips_debug) fprintf_filtered (gdb_stdlog, " - reg=%d val=%s", argreg, - phex (regval, MIPS_SAVED_REGSIZE)); + phex (regval, mips_saved_regsize (tdep))); write_register (argreg, regval); argreg++; @@ -3815,7 +3831,8 @@ mips_o64_push_dummy_call (struct gdbarch *gdbarch, CORE_ADDR func_addr, refered to as their "home". Consequently, space is always allocated. */ - stack_offset += align_up (partial_len, MIPS_STACK_ARGSIZE); + stack_offset += align_up (partial_len, + mips_stack_argsize (tdep)); } } if (mips_debug) @@ -3835,6 +3852,7 @@ mips_pop_frame (void) struct frame_info *frame = get_current_frame (); CORE_ADDR new_sp = get_frame_base (frame); mips_extra_func_info_t proc_desc; + struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); if (DEPRECATED_PC_IN_CALL_DUMMY (get_frame_pc (frame), 0, 0)) { @@ -3850,17 +3868,17 @@ mips_pop_frame (void) if (regnum != SP_REGNUM && regnum != PC_REGNUM && deprecated_get_frame_saved_regs (frame)[regnum]) { - /* Floating point registers must not be sign extended, - in case MIPS_SAVED_REGSIZE = 4 but sizeof (FP0_REGNUM) == 8. */ + /* Floating point registers must not be sign extended, in case + mips_saved_regsize() = 4 but sizeof (FP0_REGNUM) == 8. */ if (mips_regnum (current_gdbarch)->fp0 <= regnum && regnum < mips_regnum (current_gdbarch)->fp0 + 32) write_register (regnum, read_memory_unsigned_integer (deprecated_get_frame_saved_regs (frame)[regnum], - MIPS_SAVED_REGSIZE)); + mips_saved_regsize (tdep))); else write_register (regnum, read_memory_integer (deprecated_get_frame_saved_regs (frame)[regnum], - MIPS_SAVED_REGSIZE)); + mips_saved_regsize (tdep))); } write_register (SP_REGNUM, new_sp); @@ -3889,15 +3907,18 @@ mips_pop_frame (void) xfree (pi_ptr); write_register (mips_regnum (current_gdbarch)->hi, - read_memory_integer (new_sp - 2 * MIPS_SAVED_REGSIZE, - MIPS_SAVED_REGSIZE)); + read_memory_integer ((new_sp + - 2 * mips_saved_regsize (tdep)), + mips_saved_regsize (tdep))); write_register (mips_regnum (current_gdbarch)->lo, - read_memory_integer (new_sp - 3 * MIPS_SAVED_REGSIZE, - MIPS_SAVED_REGSIZE)); + read_memory_integer ((new_sp + - 3 * mips_saved_regsize (tdep)), + mips_saved_regsize (tdep))); if (MIPS_FPU_TYPE != MIPS_FPU_NONE) write_register (mips_regnum (current_gdbarch)->fp_control_status, - read_memory_integer (new_sp - 4 * MIPS_SAVED_REGSIZE, - MIPS_SAVED_REGSIZE)); + read_memory_integer ((new_sp + - 4 * mips_saved_regsize (tdep)), + mips_saved_regsize (tdep))); } } @@ -4588,6 +4609,7 @@ return_value_location (struct type *valtype, struct return_value_word *lo) { int len = TYPE_LENGTH (valtype); + struct gdbarch_tdep *tdep = gdbarch_tdep (current_gdbarch); if (TYPE_CODE (valtype) == TYPE_CODE_FLT && ((MIPS_FPU_TYPE == MIPS_FPU_DOUBLE && (len == 4 || len == 8)) @@ -4632,23 +4654,23 @@ return_value_location (struct type *valtype, lo->reg = regnum + 0; hi->reg = regnum + 1; if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG - && len < MIPS_SAVED_REGSIZE) + && len < mips_saved_regsize (tdep)) { /* "un-left-justify" the value in the low register */ - lo->reg_offset = MIPS_SAVED_REGSIZE - len; + lo->reg_offset = mips_saved_regsize (tdep) - len; lo->len = len; hi->reg_offset = 0; hi->len = 0; } else if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG - && len > MIPS_SAVED_REGSIZE /* odd-size structs */ - && len < MIPS_SAVED_REGSIZE * 2 + && len > mips_saved_regsize (tdep) /* odd-size structs */ + && len < mips_saved_regsize (tdep) * 2 && (TYPE_CODE (valtype) == TYPE_CODE_STRUCT || TYPE_CODE (valtype) == TYPE_CODE_UNION)) { /* "un-left-justify" the value spread across two registers. */ - lo->reg_offset = 2 * MIPS_SAVED_REGSIZE - len; - lo->len = MIPS_SAVED_REGSIZE - lo->reg_offset; + lo->reg_offset = 2 * mips_saved_regsize (tdep) - len; + lo->len = mips_saved_regsize (tdep) - lo->reg_offset; hi->reg_offset = 0; hi->len = len - lo->len; } @@ -4657,10 +4679,10 @@ return_value_location (struct type *valtype, /* Only perform a partial copy of the second register. */ lo->reg_offset = 0; hi->reg_offset = 0; - if (len > MIPS_SAVED_REGSIZE) + if (len > mips_saved_regsize (tdep)) { - lo->len = MIPS_SAVED_REGSIZE; - hi->len = len - MIPS_SAVED_REGSIZE; + lo->len = mips_saved_regsize (tdep); + hi->len = len - mips_saved_regsize (tdep); } else { @@ -4670,7 +4692,7 @@ return_value_location (struct type *valtype, } if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG && register_size (current_gdbarch, regnum) == 8 - && MIPS_SAVED_REGSIZE == 4) + && mips_saved_regsize (tdep) == 4) { /* Account for the fact that only the least-signficant part of the register is being used */ @@ -4898,9 +4920,9 @@ mips_o32_return_value (struct gdbarch *gdbarch, struct type *type, int regnum; for (offset = 0, regnum = V0_REGNUM; offset < TYPE_LENGTH (type); - offset += mips_stack_argsize (), regnum++) + offset += mips_stack_argsize (tdep), regnum++) { - int xfer = mips_stack_argsize (); + int xfer = mips_stack_argsize (tdep); int pos = 0; if (offset + xfer > TYPE_LENGTH (type)) xfer = TYPE_LENGTH (type) - offset; @@ -4925,7 +4947,7 @@ mips_n32n64_return_value (struct gdbarch *gdbarch, if (TYPE_CODE (type)== TYPE_CODE_STRUCT || TYPE_CODE (type)== TYPE_CODE_UNION || TYPE_CODE (type)== TYPE_CODE_ARRAY - || TYPE_LENGTH (type) > 2 * MIPS_SAVED_REGSIZE) + || TYPE_LENGTH (type) > 2 * mips_saved_regsize (tdep)) return RETURN_VALUE_STRUCT_CONVENTION; else if (TYPE_CODE (type) == TYPE_CODE_FLT && tdep->mips_fpu_type != MIPS_FPU_NONE) @@ -6148,7 +6170,7 @@ mips_dump_tdep (struct gdbarch *current_gdbarch, struct ui_file *file) mips_abi_strings[tdep->mips_abi]); fprintf_unfiltered (file, "mips_dump_tdep: mips_mask_address_p() %d (default %d)\n", - mips_mask_address_p (), + mips_mask_address_p (tdep), tdep->default_mask_address_p); } fprintf_unfiltered (file, @@ -6171,18 +6193,12 @@ mips_dump_tdep (struct gdbarch *current_gdbarch, struct ui_file *file) : MIPS_FPU_TYPE == MIPS_FPU_SINGLE ? "single" : MIPS_FPU_TYPE == MIPS_FPU_DOUBLE ? "double" : "???")); - fprintf_unfiltered (file, - "mips_dump_tdep: MIPS_DEFAULT_SAVED_REGSIZE = %d\n", - MIPS_DEFAULT_SAVED_REGSIZE); fprintf_unfiltered (file, "mips_dump_tdep: FP_REGISTER_DOUBLE = %d\n", FP_REGISTER_DOUBLE); fprintf_unfiltered (file, - "mips_dump_tdep: MIPS_DEFAULT_STACK_ARGSIZE = %d\n", - MIPS_DEFAULT_STACK_ARGSIZE); - fprintf_unfiltered (file, - "mips_dump_tdep: MIPS_STACK_ARGSIZE = %d\n", - MIPS_STACK_ARGSIZE); + "mips_dump_tdep: mips_stack_argsize() = %d\n", + mips_stack_argsize (tdep)); fprintf_unfiltered (file, "mips_dump_tdep: A0_REGNUM = %d\n", A0_REGNUM); @@ -6246,8 +6262,8 @@ mips_dump_tdep (struct gdbarch *current_gdbarch, struct ui_file *file) "mips_dump_tdep: MIPS_NUMREGS = %d\n", MIPS_NUMREGS); fprintf_unfiltered (file, - "mips_dump_tdep: MIPS_SAVED_REGSIZE = %d\n", - MIPS_SAVED_REGSIZE); + "mips_dump_tdep: mips_saved_regsize() = %d\n", + mips_saved_regsize (tdep)); fprintf_unfiltered (file, "mips_dump_tdep: PRID_REGNUM = %d\n", PRID_REGNUM);