1 /* Parameters for execution on any Hewlett-Packard PA-RISC machine. 2 Copyright 1986, 1987, 1989, 1990, 1991, 1992, 1993, 1995, 1999, 2000 3 Free Software Foundation, Inc. 4 5 Contributed by the Center for Software Science at the 6 University of Utah (pa-gdb-bugs@cs.utah.edu). 7 8 This file is part of GDB. 9 10 This program is free software; you can redistribute it and/or modify 11 it under the terms of the GNU General Public License as published by 12 the Free Software Foundation; either version 2 of the License, or 13 (at your option) any later version. 14 15 This program is distributed in the hope that it will be useful, 16 but WITHOUT ANY WARRANTY; without even the implied warranty of 17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 GNU General Public License for more details. 19 20 You should have received a copy of the GNU General Public License 21 along with this program; if not, write to the Free Software 22 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ 23 24 /* PA 64-bit specific definitions. Override those which are in 25 tm-hppa.h */ 26 27 struct frame_info; 28 29 /* jimb: this must go. I'm just using it to disable code I haven't 30 gotten working yet. */ 31 #define GDB_TARGET_IS_HPPA_20W 32 33 /* NOTE: cagney/2003-07-27: Using CC='cc +DA2.0W -Ae' configure 34 hppa64-hp-hpux11.00; GDB managed to build / start / break main / 35 run with multi-arch enabled. Not sure about much else as there 36 appears to be an unrelated problem in the SOM symbol table reader 37 causing GDB to lose line number information. Since prior to this 38 switch and a other recent tweaks, 64 bit PA hadn't been building 39 for some months, this is probably the lesser of several evils. */ 40 41 #include "pa/tm-hppah.h" 42 43 #undef FP4_REGNUM 44 #define FP4_REGNUM 68 45 #define AP_REGNUM 29 /* Argument Pointer Register */ 46 #define DP_REGNUM 27 47 #define FP5_REGNUM 70 48 #define SR5_REGNUM 48 49 50 51 /* For a number of horrible reasons we may have to adjust the location 52 of variables on the stack. Ugh. jimb: why? */ 53 #define HPREAD_ADJUST_STACK_ADDRESS(ADDR) hpread_adjust_stack_address(ADDR) 54 55 extern int hpread_adjust_stack_address (CORE_ADDR); 56 57 58 /* jimb: omitted dynamic linking stuff here */ 59 60 /* This sequence of words is the instructions 61 62 ; Call stack frame has already been built by gdb. Since we could be calling 63 ; a varargs function, and we do not have the benefit of a stub to put things in 64 ; the right place, we load the first 8 word of arguments into both the general 65 ; and fp registers. 66 call_dummy 67 nop 68 copy %r4,%r29 69 copy %r5,%r22 70 copy %r6,%r27 71 fldd -64(0,%r29),%fr4 72 fldd -56(0,%r29),%fr5 73 fldd -48(0,%r29),%fr6 74 fldd -40(0,%r29),%fr7 75 fldd -32(0,%r29),%fr8 76 fldd -24(0,%r29),%fr9 77 fldd -16(0,%r29),%fr10 78 fldd -8(0,%r29),%fr11 79 copy %r22,%r1 80 ldd -64(%r29), %r26 81 ldd -56(%r29), %r25 82 ldd -48(%r29), %r24 83 ldd -40(%r29), %r23 84 ldd -32(%r29), %r22 85 ldd -24(%r29), %r21 86 ldd -16(%r29), %r20 87 bve,l (%r1),%r2 88 ldd -8(%r29), %r19 89 break 4, 8 90 mtsp %r21, %sr0 91 ble 0(%sr0, %r22) 92 nop 93 */ 94 95 /* Call dummys are sized and written out in word sized hunks. So we have 96 to pack the instructions into words. Ugh. */ 97 #undef CALL_DUMMY 98 #define CALL_DUMMY {0x08000240349d0000LL, 0x34b6000034db0000LL, \ 99 0x53a43f8353a53f93LL, 0x53a63fa353a73fb3LL,\ 100 0x53a83fc353a93fd3LL, 0x2fa1100a2fb1100bLL,\ 101 0x36c1000053ba3f81LL, 0x53b93f9153b83fa1LL,\ 102 0x53b73fb153b63fc1LL, 0x53b53fd10fa110d4LL,\ 103 0xe820f0000fb110d3LL, 0x0001000400151820LL,\ 104 0xe6c0000008000240LL} 105 106 /* The PA64 ABI reserves 64 bytes of stack space for outgoing register 107 parameters. */ 108 #undef REG_PARM_STACK_SPACE 109 #define REG_PARM_STACK_SPACE 64 110 111 /* Use the 64-bit calling conventions designed for the PA2.0 in wide mode. */ 112 #define PA20W_CALLING_CONVENTIONS 113 114 #undef FUNC_LDIL_OFFSET 115 #undef FUNC_LDO_OFFSET 116 #undef SR4EXPORT_LDIL_OFFSET 117 #undef SR4EXPORT_LDO_OFFSET 118 119 #undef FRAME_SAVED_PC_IN_SIGTRAMP 120 extern void hppa64_hpux_frame_saved_pc_in_sigtramp (struct frame_info *fi, 121 CORE_ADDR *tmp); 122 #define FRAME_SAVED_PC_IN_SIGTRAMP(FRAME, TMP) \ 123 hppa64_hpux_frame_saved_pc_in_sigtramp (FRAME, TMP) 124 125 #undef FRAME_BASE_BEFORE_SIGTRAMP 126 extern void hppa64_hpux_frame_base_before_sigtramp (struct frame_info *fi, 127 CORE_ADDR *tmp); 128 #define FRAME_BASE_BEFORE_SIGTRAMP(FRAME, TMP) \ 129 hppa64_hpux_frame_base_before_sigtramp (FRAME, TMP) 130 131 #undef FRAME_FIND_SAVED_REGS_IN_SIGTRAMP 132 extern void hppa64_hpux_frame_find_saved_regs_in_sigtramp 133 (struct frame_info *fi, CORE_ADDR *fsr); 134 #define FRAME_FIND_SAVED_REGS_IN_SIGTRAMP(FRAME, FSR) \ 135 hppa64_hpux_frame_find_saved_regs_in_sigtramp (FRAME, FSR) 136 137 /* jimb: omitted purify call support */ 138