diff options
| -rw-r--r-- | gdb/ChangeLog | 18 | ||||
| -rw-r--r-- | gdb/NEWS | 5 | ||||
| -rw-r--r-- | gdb/doc/ChangeLog | 5 | ||||
| -rw-r--r-- | gdb/doc/gdb.texinfo | 27 | ||||
| -rw-r--r-- | gdb/mips-tdep.c | 281 |
5 files changed, 116 insertions, 220 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 1b1e492..29edcde 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,23 @@ 2007-05-16 Daniel Jacobowitz <dan@codesourcery.com> + * NEWS: Mention removed "set mips stack-arg-size" and "set mips + saved-gpreg-size". + + * mips-tdep.c (MIPS32_REGSIZE, MIPS64_REGSIZE): New constants. + (size_auto, size_32, size_64, size_enums, mips_abi_regsize_string) + (mips_stack_argsize_string, mips_stack_argsize): Delete. + (mips_abi_regsize): Simplify. + (mips_eabi_push_dummy_call, mips_n32n64_push_dummy_call) + (mips_n32n64_return_value, mips_o32_push_dummy_call) + (mips_o32_return_value, mips_o64_push_dummy_call) + (mips_o64_return_value): Propogate constant register sizes. Use the + ABI register size instead of mips_stack_argsize. + (mips_dump_tdep): Don't print mips_stack_argsize. + (_initialize_mips_tdep): Remove saved-gpreg-size and stack-arg-size + settings. + +2007-05-16 Daniel Jacobowitz <dan@codesourcery.com> + * config/mips/linux.mt (DEPRECATED_TM_FILE): Delete. * config/mips/tm-linux.h: Delete. * mips-linux-tdep.c (mips_svr4_so_ops): New. @@ -168,6 +168,11 @@ Scheme support GDB could work with an older version of Guile to debug the interpreter and Scheme programs running in it. +set mips stack-arg-size +set mips saved-gpreg-size + + Use "set mips abi" to control parameter passing for MIPS. + *** Changes in GDB 6.6 * New targets diff --git a/gdb/doc/ChangeLog b/gdb/doc/ChangeLog index 421272a..48dff96 100644 --- a/gdb/doc/ChangeLog +++ b/gdb/doc/ChangeLog @@ -1,3 +1,8 @@ +2007-05-16 Daniel Jacobowitz <dan@codesourcery.com> + + * gdb.texinfo (MIPS): Remove documentation for set mips saved-gpreg-size, + show mips saved-gpreg-size, and set mips stack-arg-size. + 2007-05-14 Bob Wilson <bob.wilson@acm.org> * all-cfg.texi (GDBTUI): New. diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo index 6aee296..45005f3 100644 --- a/gdb/doc/gdb.texinfo +++ b/gdb/doc/gdb.texinfo @@ -15184,33 +15184,6 @@ Several MIPS-specific commands are available when debugging MIPS programs: @table @code -@item set mips saved-gpreg-size @var{size} -@kindex set mips saved-gpreg-size -@cindex MIPS GP register size on stack -Set the size of MIPS general-purpose registers saved on the stack. -The argument @var{size} can be one of the following: - -@table @samp -@item 32 -32-bit GP registers -@item 64 -64-bit GP registers -@item auto -Use the target's default setting or autodetect the saved size from the -information contained in the executable. This is the default -@end table - -@item show mips saved-gpreg-size -@kindex show mips saved-gpreg-size -Show the current size of MIPS GP registers on the stack. - -@item set mips stack-arg-size @var{size} -@kindex set mips stack-arg-size -@cindex MIPS stack space for arguments -Set the amount of stack space reserved for arguments to functions. -The argument can be one of @code{"32"}, @code{"64"} or @code{"auto"} -(the default). - @item set mips abi @var{arg} @kindex set mips abi @cindex set ABI for MIPS diff --git a/gdb/mips-tdep.c b/gdb/mips-tdep.c index 490ad10..7998ca7 100644 --- a/gdb/mips-tdep.c +++ b/gdb/mips-tdep.c @@ -75,6 +75,11 @@ enum MIPS_FPU_DOUBLE_REGSIZE = 8 }; +enum +{ + MIPS32_REGSIZE = 4, + MIPS64_REGSIZE = 8 +}; static const char *mips_abi_string; @@ -89,21 +94,6 @@ static const char *mips_abi_strings[] = { NULL }; -/* Various MIPS ISA options (related to stack analysis) can be - overridden dynamically. Establish an enum/array for managing - them. */ - -static const char size_auto[] = "auto"; -static const char size_32[] = "32"; -static const char size_64[] = "64"; - -static const char *size_enums[] = { - size_auto, - size_32, - size_64, - 0 -}; - /* Some MIPS boards don't support floating point while others only support single-precision floating-point operations. */ @@ -279,31 +269,24 @@ mips_isa_regsize (struct gdbarch *gdbarch) /* Return the currently configured (or set) saved register size. */ -static const char *mips_abi_regsize_string = size_auto; - unsigned int mips_abi_regsize (struct gdbarch *gdbarch) { - if (mips_abi_regsize_string == size_auto) - switch (mips_abi (gdbarch)) - { - case MIPS_ABI_EABI32: - case MIPS_ABI_O32: - return 4; - case MIPS_ABI_N32: - case MIPS_ABI_N64: - case MIPS_ABI_O64: - case MIPS_ABI_EABI64: - return 8; - case MIPS_ABI_UNKNOWN: - case MIPS_ABI_LAST: - default: - internal_error (__FILE__, __LINE__, _("bad switch")); - } - else if (mips_abi_regsize_string == size_64) - return 8; - else /* if (mips_abi_regsize_string == size_32) */ - return 4; + switch (mips_abi (gdbarch)) + { + case MIPS_ABI_EABI32: + case MIPS_ABI_O32: + return 4; + case MIPS_ABI_N32: + case MIPS_ABI_N64: + case MIPS_ABI_O64: + case MIPS_ABI_EABI64: + return 8; + case MIPS_ABI_UNKNOWN: + case MIPS_ABI_LAST: + default: + internal_error (__FILE__, __LINE__, _("bad switch")); + } } /* Functions for setting and testing a bit in a minimal symbol that @@ -415,23 +398,6 @@ mips2_fp_compat (void) return 0; } -/* The amount of space reserved on the stack for registers. This is - different to MIPS_ABI_REGSIZE as it determines the alignment of - data allocated after the registers have run out. */ - -static const char *mips_stack_argsize_string = size_auto; - -static unsigned int -mips_stack_argsize (struct gdbarch *gdbarch) -{ - if (mips_stack_argsize_string == size_auto) - return mips_abi_regsize (gdbarch); - else if (mips_stack_argsize_string == size_64) - return 8; - else /* if (mips_stack_argsize_string == size_32) */ - return 4; -} - #define VM_MIN_ADDRESS (CORE_ADDR)0x400000 static CORE_ADDR heuristic_proc_start (CORE_ADDR); @@ -2402,6 +2368,7 @@ mips_eabi_push_dummy_call (struct gdbarch *gdbarch, struct value *function, int stack_offset = 0; struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch); CORE_ADDR func_addr = find_function_addr (function, NULL); + int regsize = mips_abi_regsize (gdbarch); /* For shared libraries, "t9" needs to point at the function address. */ @@ -2424,8 +2391,7 @@ mips_eabi_push_dummy_call (struct gdbarch *gdbarch, struct value *function, than necessary for EABI, because the first few arguments are 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 (gdbarch)); + len += align_up (TYPE_LENGTH (value_type (args[argnum])), regsize); sp -= align_up (len, 16); if (mips_debug) @@ -2466,13 +2432,12 @@ mips_eabi_push_dummy_call (struct gdbarch *gdbarch, struct value *function, /* The EABI passes structures that do not fit in a register by reference. */ - if (len > mips_abi_regsize (gdbarch) + if (len > regsize && (typecode == TYPE_CODE_STRUCT || typecode == TYPE_CODE_UNION)) { - store_unsigned_integer (valbuf, mips_abi_regsize (gdbarch), - VALUE_ADDRESS (arg)); + store_unsigned_integer (valbuf, regsize, VALUE_ADDRESS (arg)); typecode = TYPE_CODE_PTR; - len = mips_abi_regsize (gdbarch); + len = regsize; val = valbuf; if (mips_debug) fprintf_unfiltered (gdb_stdlog, " push"); @@ -2485,8 +2450,7 @@ mips_eabi_push_dummy_call (struct gdbarch *gdbarch, struct value *function, up before the check to see if there are any FP registers left. Non MIPS_EABI targets also pass the FP in the integer registers so also round up normal registers. */ - if (mips_abi_regsize (gdbarch) < 8 - && fp_register_arg_p (typecode, arg_type)) + if (regsize < 8 && fp_register_arg_p (typecode, arg_type)) { if ((float_argreg & 1)) float_argreg++; @@ -2549,13 +2513,12 @@ mips_eabi_push_dummy_call (struct gdbarch *gdbarch, struct value *function, /* Copy the argument to general registers or the stack in register-sized pieces. Large arguments are split between registers and stack. */ - /* Note: structs whose size is not a multiple of - mips_abi_regsize() are treated specially: Irix cc passes + /* Note: structs whose size is not a multiple of regsize + are treated specially: Irix cc passes them 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_abi_regsize (gdbarch)) - && (len % mips_abi_regsize (gdbarch) != 0)); + int odd_sized_struct = (len > regsize && len % regsize != 0); /* Note: Floating-point values that didn't fit into an FP register are only written to memory. */ @@ -2563,8 +2526,7 @@ mips_eabi_push_dummy_call (struct gdbarch *gdbarch, struct value *function, { /* Remember if the argument was written to the stack. */ int stack_used_p = 0; - int partial_len = (len < mips_abi_regsize (gdbarch) - ? len : mips_abi_regsize (gdbarch)); + int partial_len = (len < regsize ? len : regsize); if (mips_debug) fprintf_unfiltered (gdb_stdlog, " -- partial=%d", @@ -2582,16 +2544,15 @@ mips_eabi_push_dummy_call (struct gdbarch *gdbarch, struct value *function, stack_used_p = 1; if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) { - if (mips_stack_argsize (gdbarch) == 8 + if (regsize == 8 && (typecode == TYPE_CODE_INT || typecode == TYPE_CODE_PTR || typecode == TYPE_CODE_FLT) && len <= 4) - longword_offset = mips_stack_argsize (gdbarch) - len; + longword_offset = regsize - len; else if ((typecode == TYPE_CODE_STRUCT || typecode == TYPE_CODE_UNION) - && (TYPE_LENGTH (arg_type) - < mips_stack_argsize (gdbarch))) - longword_offset = mips_stack_argsize (gdbarch) - len; + && TYPE_LENGTH (arg_type) < regsize) + longword_offset = regsize - len; } if (mips_debug) @@ -2632,8 +2593,7 @@ mips_eabi_push_dummy_call (struct gdbarch *gdbarch, struct value *function, if (mips_debug) fprintf_filtered (gdb_stdlog, " - reg=%d val=%s", argreg, - phex (regval, - mips_abi_regsize (gdbarch))); + phex (regval, regsize)); write_register (argreg, regval); argreg++; } @@ -2648,8 +2608,7 @@ mips_eabi_push_dummy_call (struct gdbarch *gdbarch, struct value *function, only needs to be adjusted when it has been used. */ if (stack_used_p) - stack_offset += align_up (partial_len, - mips_stack_argsize (gdbarch)); + stack_offset += align_up (partial_len, regsize); } } if (mips_debug) @@ -2712,8 +2671,7 @@ mips_n32n64_push_dummy_call (struct gdbarch *gdbarch, struct value *function, /* 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 (gdbarch)); + len += align_up (TYPE_LENGTH (value_type (args[argnum])), MIPS64_REGSIZE); sp -= align_up (len, 16); if (mips_debug) @@ -2777,21 +2735,20 @@ mips_n32n64_push_dummy_call (struct gdbarch *gdbarch, struct value *function, /* Copy the argument to general registers or the stack in register-sized pieces. Large arguments are split between registers and stack. */ - /* Note: structs whose size is not a multiple of + /* Note: structs whose size is not a multiple of MIPS64_REGSIZE mips_abi_regsize() are treated specially: Irix cc passes them 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_abi_regsize (gdbarch)) - && (len % mips_abi_regsize (gdbarch) != 0)); + int odd_sized_struct = (len > MIPS64_REGSIZE + && len % MIPS64_REGSIZE != 0); /* Note: Floating-point values that didn't fit into an FP register are only written to memory. */ while (len > 0) { /* Remember if the argument was written to the stack. */ int stack_used_p = 0; - int partial_len = (len < mips_abi_regsize (gdbarch) - ? len : mips_abi_regsize (gdbarch)); + int partial_len = (len < MIPS64_REGSIZE ? len : MIPS64_REGSIZE); if (mips_debug) fprintf_unfiltered (gdb_stdlog, " -- partial=%d", @@ -2809,11 +2766,11 @@ mips_n32n64_push_dummy_call (struct gdbarch *gdbarch, struct value *function, stack_used_p = 1; if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) { - if (mips_stack_argsize (gdbarch) == 8 - && (typecode == TYPE_CODE_INT - || typecode == TYPE_CODE_PTR - || typecode == TYPE_CODE_FLT) && len <= 4) - longword_offset = mips_stack_argsize (gdbarch) - len; + if ((typecode == TYPE_CODE_INT + || typecode == TYPE_CODE_PTR + || typecode == TYPE_CODE_FLT) + && len <= 4) + longword_offset = MIPS64_REGSIZE - len; } if (mips_debug) @@ -2858,34 +2815,19 @@ mips_n32n64_push_dummy_call (struct gdbarch *gdbarch, struct value *function, big endian targets. It does not seem to be necessary to do the - same for integral types. - - cagney/2001-07-23: gdb/179: Also, GCC, when - outputting LE O32 with sizeof (struct) < - mips_abi_regsize(), generates a left shift - as part of storing the argument in a register - (the left shift isn't generated when - sizeof (struct) >= mips_abi_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. */ + same for integral types. */ if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG - && partial_len < mips_abi_regsize (gdbarch) + && partial_len < MIPS64_REGSIZE && (typecode == TYPE_CODE_STRUCT || typecode == TYPE_CODE_UNION)) - regval <<= ((mips_abi_regsize (gdbarch) - partial_len) + regval <<= ((MIPS64_REGSIZE - partial_len) * TARGET_CHAR_BIT); if (mips_debug) fprintf_filtered (gdb_stdlog, " - reg=%d val=%s", argreg, - phex (regval, - mips_abi_regsize (gdbarch))); + phex (regval, MIPS64_REGSIZE)); write_register (argreg, regval); argreg++; } @@ -2900,8 +2842,7 @@ mips_n32n64_push_dummy_call (struct gdbarch *gdbarch, struct value *function, adjusted when it has been used. */ if (stack_used_p) - stack_offset += align_up (partial_len, - mips_stack_argsize (gdbarch)); + stack_offset += align_up (partial_len, MIPS64_REGSIZE); } } if (mips_debug) @@ -2923,7 +2864,7 @@ 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_abi_regsize (gdbarch)) + || TYPE_LENGTH (type) > 2 * MIPS64_REGSIZE) return RETURN_VALUE_STRUCT_CONVENTION; else if (TYPE_CODE (type) == TYPE_CODE_FLT && TYPE_LENGTH (type) == 16 @@ -3075,9 +3016,9 @@ mips_o32_push_dummy_call (struct gdbarch *gdbarch, struct value *function, /* Align to double-word if necessary. */ if (mips_type_needs_double_align (arg_type)) - len = align_up (len, mips_stack_argsize (gdbarch) * 2); + len = align_up (len, MIPS32_REGSIZE * 2); /* Allocate space on the stack. */ - len += align_up (arglen, mips_stack_argsize (gdbarch)); + len += align_up (arglen, MIPS32_REGSIZE); } sp -= align_up (len, 16); @@ -3098,7 +3039,7 @@ mips_o32_push_dummy_call (struct gdbarch *gdbarch, struct value *function, "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 (gdbarch); + stack_offset += MIPS32_REGSIZE; } /* Now load as many as possible of the first arguments into @@ -3193,20 +3134,20 @@ mips_o32_push_dummy_call (struct gdbarch *gdbarch, struct value *function, argreg += 2; } /* Reserve space for the FP register. */ - stack_offset += align_up (len, mips_stack_argsize (gdbarch)); + stack_offset += align_up (len, MIPS32_REGSIZE); } else { /* Copy the argument to general registers or the stack in register-sized pieces. Large arguments are split between registers and stack. */ - /* Note: structs whose size is not a multiple of - mips_abi_regsize() are treated specially: Irix cc passes + /* Note: structs whose size is not a multiple of MIPS32_REGSIZE + are treated specially: Irix cc passes them 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_abi_regsize (gdbarch)) - && (len % mips_abi_regsize (gdbarch) != 0)); + int odd_sized_struct = (len > MIPS32_REGSIZE + && len % MIPS32_REGSIZE != 0); /* Structures should be aligned to eight bytes (even arg registers) on MIPS_ABI_O32, if their first member has double precision. */ if (mips_type_needs_double_align (arg_type)) @@ -3214,15 +3155,14 @@ mips_o32_push_dummy_call (struct gdbarch *gdbarch, struct value *function, if ((argreg & 1)) { argreg++; - stack_offset += mips_abi_regsize (gdbarch); + stack_offset += MIPS32_REGSIZE; } } while (len > 0) { /* Remember if the argument was written to the stack. */ int stack_used_p = 0; - int partial_len = (len < mips_abi_regsize (gdbarch) - ? len : mips_abi_regsize (gdbarch)); + int partial_len = (len < MIPS32_REGSIZE ? len : MIPS32_REGSIZE); if (mips_debug) fprintf_unfiltered (gdb_stdlog, " -- partial=%d", @@ -3237,14 +3177,6 @@ mips_o32_push_dummy_call (struct gdbarch *gdbarch, struct value *function, int longword_offset = 0; CORE_ADDR addr; stack_used_p = 1; - if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) - { - if (mips_stack_argsize (gdbarch) == 8 - && (typecode == TYPE_CODE_INT - || typecode == TYPE_CODE_PTR - || typecode == TYPE_CODE_FLT) && len <= 4) - longword_offset = mips_stack_argsize (gdbarch) - len; - } if (mips_debug) { @@ -3306,17 +3238,16 @@ mips_o32_push_dummy_call (struct gdbarch *gdbarch, struct value *function, accordingly. */ if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG - && partial_len < mips_abi_regsize (gdbarch) + && partial_len < MIPS32_REGSIZE && (typecode == TYPE_CODE_STRUCT || typecode == TYPE_CODE_UNION)) - regval <<= ((mips_abi_regsize (gdbarch) - partial_len) + regval <<= ((MIPS32_REGSIZE - partial_len) * TARGET_CHAR_BIT); if (mips_debug) fprintf_filtered (gdb_stdlog, " - reg=%d val=%s", argreg, - phex (regval, - mips_abi_regsize (gdbarch))); + phex (regval, MIPS32_REGSIZE)); write_register (argreg, regval); argreg++; @@ -3336,8 +3267,7 @@ mips_o32_push_dummy_call (struct gdbarch *gdbarch, struct value *function, refered to as their "home". Consequently, space is always allocated. */ - stack_offset += align_up (partial_len, - mips_stack_argsize (gdbarch)); + stack_offset += align_up (partial_len, MIPS32_REGSIZE); } } if (mips_debug) @@ -3469,14 +3399,14 @@ mips_o32_return_value (struct gdbarch *gdbarch, struct type *type, { /* A scalar extract each part but least-significant-byte justified. o32 thinks registers are 4 byte, regardless of - the ISA. mips_stack_argsize controls this. */ + the ISA. */ int offset; int regnum; for (offset = 0, regnum = MIPS_V0_REGNUM; offset < TYPE_LENGTH (type); - offset += mips_stack_argsize (gdbarch), regnum++) + offset += MIPS32_REGSIZE, regnum++) { - int xfer = mips_stack_argsize (gdbarch); + int xfer = MIPS32_REGSIZE; if (offset + xfer > TYPE_LENGTH (type)) xfer = TYPE_LENGTH (type) - offset; if (mips_debug) @@ -3531,7 +3461,7 @@ mips_o64_push_dummy_call (struct gdbarch *gdbarch, struct value *function, int arglen = TYPE_LENGTH (arg_type); /* Allocate space on the stack. */ - len += align_up (arglen, mips_stack_argsize (gdbarch)); + len += align_up (arglen, MIPS64_REGSIZE); } sp -= align_up (len, 16); @@ -3552,7 +3482,7 @@ mips_o64_push_dummy_call (struct gdbarch *gdbarch, struct value *function, "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 (gdbarch); + stack_offset += MIPS64_REGSIZE; } /* Now load as many as possible of the first arguments into @@ -3597,26 +3527,25 @@ mips_o64_push_dummy_call (struct gdbarch *gdbarch, struct value *function, write_register (argreg, regval); argreg++; /* Reserve space for the FP register. */ - stack_offset += align_up (len, mips_stack_argsize (gdbarch)); + stack_offset += align_up (len, MIPS64_REGSIZE); } else { /* Copy the argument to general registers or the stack in register-sized pieces. Large arguments are split between registers and stack. */ - /* Note: structs whose size is not a multiple of - mips_abi_regsize() are treated specially: Irix cc passes + /* Note: structs whose size is not a multiple of MIPS64_REGSIZE + are treated specially: Irix cc passes them 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_abi_regsize (gdbarch)) - && (len % mips_abi_regsize (gdbarch) != 0)); + int odd_sized_struct = (len > MIPS64_REGSIZE + && len % MIPS64_REGSIZE != 0); while (len > 0) { /* Remember if the argument was written to the stack. */ int stack_used_p = 0; - int partial_len = (len < mips_abi_regsize (gdbarch) - ? len : mips_abi_regsize (gdbarch)); + int partial_len = (len < MIPS64_REGSIZE ? len : MIPS64_REGSIZE); if (mips_debug) fprintf_unfiltered (gdb_stdlog, " -- partial=%d", @@ -3633,11 +3562,11 @@ mips_o64_push_dummy_call (struct gdbarch *gdbarch, struct value *function, stack_used_p = 1; if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG) { - if (mips_stack_argsize (gdbarch) == 8 - && (typecode == TYPE_CODE_INT - || typecode == TYPE_CODE_PTR - || typecode == TYPE_CODE_FLT) && len <= 4) - longword_offset = mips_stack_argsize (gdbarch) - len; + if ((typecode == TYPE_CODE_INT + || typecode == TYPE_CODE_PTR + || typecode == TYPE_CODE_FLT) + && len <= 4) + longword_offset = MIPS64_REGSIZE - len; } if (mips_debug) @@ -3684,17 +3613,16 @@ mips_o64_push_dummy_call (struct gdbarch *gdbarch, struct value *function, same for integral types. */ if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG - && partial_len < mips_abi_regsize (gdbarch) + && partial_len < MIPS64_REGSIZE && (typecode == TYPE_CODE_STRUCT || typecode == TYPE_CODE_UNION)) - regval <<= ((mips_abi_regsize (gdbarch) - partial_len) + regval <<= ((MIPS64_REGSIZE - partial_len) * TARGET_CHAR_BIT); if (mips_debug) fprintf_filtered (gdb_stdlog, " - reg=%d val=%s", argreg, - phex (regval, - mips_abi_regsize (gdbarch))); + phex (regval, MIPS64_REGSIZE)); write_register (argreg, regval); argreg++; @@ -3714,8 +3642,7 @@ mips_o64_push_dummy_call (struct gdbarch *gdbarch, struct value *function, refered to as their "home". Consequently, space is always allocated. */ - stack_offset += align_up (partial_len, - mips_stack_argsize (gdbarch)); + stack_offset += align_up (partial_len, MIPS64_REGSIZE); } } if (mips_debug) @@ -3759,9 +3686,9 @@ mips_o64_return_value (struct gdbarch *gdbarch, int regnum; for (offset = 0, regnum = MIPS_V0_REGNUM; offset < TYPE_LENGTH (type); - offset += mips_stack_argsize (gdbarch), regnum++) + offset += MIPS64_REGSIZE, regnum++) { - int xfer = mips_stack_argsize (gdbarch); + int xfer = MIPS64_REGSIZE; if (offset + xfer > TYPE_LENGTH (type)) xfer = TYPE_LENGTH (type) - offset; if (mips_debug) @@ -5296,9 +5223,6 @@ 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_stack_argsize() = %d\n", - mips_stack_argsize (current_gdbarch)); } extern initialize_file_ftype _initialize_mips_tdep; /* -Wmissing-prototypes */ @@ -5327,35 +5251,6 @@ _initialize_mips_tdep (void) _("Various MIPS specific commands."), &showmipscmdlist, "show mips ", 0, &showlist); - /* Allow the user to override the saved register size. */ - add_setshow_enum_cmd ("saved-gpreg-size", class_obscure, - size_enums, &mips_abi_regsize_string, _("\ -Set size of general purpose registers saved on the stack."), _("\ -Show size of general purpose registers saved on the stack."), _("\ -This option can be set to one of:\n\ - 32 - Force GDB to treat saved GP registers as 32-bit\n\ - 64 - Force GDB to treat saved GP registers as 64-bit\n\ - auto - Allow GDB to use the target's default setting or autodetect the\n\ - saved GP register size from information contained in the\n\ - executable (default)."), - NULL, - NULL, /* FIXME: i18n: Size of general purpose registers saved on the stack is %s. */ - &setmipscmdlist, &showmipscmdlist); - - /* Allow the user to override the argument stack size. */ - add_setshow_enum_cmd ("stack-arg-size", class_obscure, - size_enums, &mips_stack_argsize_string, _("\ -Set the amount of stack space reserved for each argument."), _("\ -Show the amount of stack space reserved for each argument."), _("\ -This option can be set to one of:\n\ - 32 - Force GDB to allocate 32-bit chunks per argument\n\ - 64 - Force GDB to allocate 64-bit chunks per argument\n\ - auto - Allow GDB to determine the correct setting from the current\n\ - target and executable (default)"), - NULL, - NULL, /* FIXME: i18n: The amount of stack space reserved for each argument is %s. */ - &setmipscmdlist, &showmipscmdlist); - /* Allow the user to override the ABI. */ add_setshow_enum_cmd ("abi", class_obscure, mips_abi_strings, &mips_abi_string, _("\ |