projects / thirdparty / gcc.git / blame
| Commit | Line | Data |
|---|---|---|
| ec20cffb | 1 | /* Target definitions for GNU compiler for VAX using ELF |
| 2f83c7d6 | 2 | Copyright (C) 2002, 2004, 2005, 2007 Free Software Foundation, Inc. |
| 0b55eafa | 3 | Contributed by Matt Thomas <matt@3am-software.com> |
| ec20cffb | 4 | |
| e7d9d16b | 5 | This file is part of GCC. |
| ec20cffb | 6 | |
| e7d9d16b | 7 | GCC is free software; you can redistribute it and/or modify |
| ec20cffb | 8 | it under the terms of the GNU General Public License as published by |
| 2f83c7d6 | 9 | the Free Software Foundation; either version 3, or (at your option) |
| ec20cffb JT |
10 | any later version. |
| 11 | ||
| e7d9d16b | 12 | GCC is distributed in the hope that it will be useful, |
| ec20cffb JT |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 15 | GNU General Public License for more details. | |
| 16 | ||
| 17 | You should have received a copy of the GNU General Public License | |
| 2f83c7d6 NC |
18 | along with GCC; see the file COPYING3. If not see |
| 19 | <http://www.gnu.org/licenses/>. */ | |
| ec20cffb | 20 | |
| c15c90bb ZW |
21 | #undef TARGET_ELF |
| 22 | #define TARGET_ELF 1 | |
| 23 | ||
| ec20cffb JT |
24 | #undef REGISTER_PREFIX |
| 25 | #undef REGISTER_NAMES | |
| 26 | #define REGISTER_PREFIX "%" | |
| 27 | #define REGISTER_NAMES \ | |
| 0b55eafa JBG |
28 | { "%r0", "%r1", "%r2", "%r3", "%r4", "%r5", "%r6", "%r7", \ |
| 29 | "%r8", "%r9", "%r10", "%r11", "%ap", "%fp", "%sp", "%pc", } | |
| 30 | ||
| ec20cffb JT |
31 | #undef SIZE_TYPE |
| 32 | #define SIZE_TYPE "long unsigned int" | |
| 33 | ||
| 34 | #undef PTRDIFF_TYPE | |
| 35 | #define PTRDIFF_TYPE "long int" | |
| 36 | ||
| 37 | /* Profiling routine. */ | |
| 191fe2bb JT |
38 | #undef VAX_FUNCTION_PROFILER_NAME |
| 39 | #define VAX_FUNCTION_PROFILER_NAME "__mcount" | |
| 40 | ||
| ec20cffb JT |
41 | /* Let's be re-entrant. */ |
| 42 | #undef PCC_STATIC_STRUCT_RETURN | |
| 43 | ||
| ec20cffb JT |
44 | /* Before the prologue, the top of the frame is below the argument |
| 45 | count pushed by the CALLS and before the start of the saved registers. */ | |
| 46 | #define INCOMING_FRAME_SP_OFFSET 0 | |
| 47 | ||
| 48 | /* We use R2-R5 (call-clobbered) registers for exceptions. */ | |
| 49 | #define EH_RETURN_DATA_REGNO(N) ((N) < 4 ? (N) + 2 : INVALID_REGNUM) | |
| 50 | ||
| 51 | /* Place the top of the stack for the DWARF2 EH stackadj value. */ | |
| 52 | #define EH_RETURN_STACKADJ_RTX \ | |
| 53 | gen_rtx_MEM (SImode, \ | |
| 0b55eafa | 54 | plus_constant (gen_rtx_REG (Pmode, FRAME_POINTER_REGNUM),\ |
| ec20cffb JT |
55 | -4)) |
| 56 | ||
| 57 | /* Simple store the return handler into the call frame. */ | |
| 58 | #define EH_RETURN_HANDLER_RTX \ | |
| 59 | gen_rtx_MEM (Pmode, \ | |
| 0b55eafa | 60 | plus_constant (gen_rtx_REG (Pmode, FRAME_POINTER_REGNUM),\ |
| ec20cffb JT |
61 | 16)) |
| 62 | ||
| 63 | ||
| 64 | /* Reserve the top of the stack for exception handler stackadj value. */ | |
| 65 | #undef STARTING_FRAME_OFFSET | |
| 66 | #define STARTING_FRAME_OFFSET -4 | |
| 67 | ||
| 68 | /* The VAX wants no space between the case instruction and the jump table. */ | |
| 69 | #undef ASM_OUTPUT_BEFORE_CASE_LABEL | |
| 70 | #define ASM_OUTPUT_BEFORE_CASE_LABEL(FILE, PREFIX, NUM, TABLE) | |
| 71 | ||
| ec20cffb | 72 | #undef OVERRIDE_OPTIONS |
| 0b55eafa JBG |
73 | #define OVERRIDE_OPTIONS \ |
| 74 | do \ | |
| 75 | { \ | |
| 76 | /* Do generic VAX overrides. */ \ | |
| 77 | override_options (); \ | |
| 78 | \ | |
| 79 | /* Turn off function CSE if we're doing PIC. */ \ | |
| 80 | if (flag_pic) \ | |
| 81 | flag_no_function_cse = 1; \ | |
| 82 | } \ | |
| ec20cffb JT |
83 | while (0) |
| 84 | ||
| 85 | /* VAX ELF is always gas; override the generic VAX ASM_SPEC. */ | |
| 86 | ||
| 87 | #undef ASM_SPEC | |
| 88 | #define ASM_SPEC "" | |
| 0b55eafa | 89 |