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Diffstat (limited to 'gcc-4.9/gcc/config/vax/elf.h')
| -rw-r--r-- | gcc-4.9/gcc/config/vax/elf.h | 112 |
1 files changed, 112 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/config/vax/elf.h b/gcc-4.9/gcc/config/vax/elf.h new file mode 100644 index 000000000..d6041dc06 --- /dev/null +++ b/gcc-4.9/gcc/config/vax/elf.h @@ -0,0 +1,112 @@ +/* Target definitions for GNU compiler for VAX using ELF + Copyright (C) 2002-2014 Free Software Foundation, Inc. + Contributed by Matt Thomas <matt@3am-software.com> + +This file is part of GCC. + +GCC 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 3, or (at your option) +any later version. + +GCC 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 GCC; see the file COPYING3. If not see +<http://www.gnu.org/licenses/>. */ + +#undef TARGET_ELF +#define TARGET_ELF 1 + +#undef REGISTER_PREFIX +#undef REGISTER_NAMES +#define REGISTER_PREFIX "%" +#define REGISTER_NAMES \ + { "%r0", "%r1", "%r2", "%r3", "%r4", "%r5", "%r6", "%r7", \ + "%r8", "%r9", "%r10", "%r11", "%ap", "%fp", "%sp", "%pc", } + +#undef SIZE_TYPE +#define SIZE_TYPE "long unsigned int" + +#undef PTRDIFF_TYPE +#define PTRDIFF_TYPE "long int" + +/* Profiling routine. */ +#undef VAX_FUNCTION_PROFILER_NAME +#define VAX_FUNCTION_PROFILER_NAME "__mcount" + +/* Let's be re-entrant. */ +#undef PCC_STATIC_STRUCT_RETURN + +/* Before the prologue, the top of the frame is below the argument + count pushed by the CALLS and before the start of the saved registers. */ +#define INCOMING_FRAME_SP_OFFSET 0 + +/* Offset from the frame pointer register value to the top of the stack. */ +#define FRAME_POINTER_CFA_OFFSET(FNDECL) 0 + +/* We use R2-R5 (call-clobbered) registers for exceptions. */ +#define EH_RETURN_DATA_REGNO(N) ((N) < 4 ? (N) + 2 : INVALID_REGNUM) + +/* Place the top of the stack for the DWARF2 EH stackadj value. */ +#define EH_RETURN_STACKADJ_RTX \ + gen_rtx_MEM (SImode, \ + plus_constant (Pmode, \ + gen_rtx_REG (Pmode, FRAME_POINTER_REGNUM),\ + -4)) + +/* Simple store the return handler into the call frame. */ +#define EH_RETURN_HANDLER_RTX \ + gen_rtx_MEM (Pmode, \ + plus_constant (Pmode, \ + gen_rtx_REG (Pmode, FRAME_POINTER_REGNUM),\ + 16)) + + +/* Reserve the top of the stack for exception handler stackadj value. */ +#undef STARTING_FRAME_OFFSET +#define STARTING_FRAME_OFFSET -4 + +/* The VAX wants no space between the case instruction and the jump table. */ +#undef ASM_OUTPUT_BEFORE_CASE_LABEL +#define ASM_OUTPUT_BEFORE_CASE_LABEL(FILE, PREFIX, NUM, TABLE) + +#undef SUBTARGET_OVERRIDE_OPTIONS +#define SUBTARGET_OVERRIDE_OPTIONS \ + do \ + { \ + /* Turn off function CSE if we're doing PIC. */ \ + if (flag_pic) \ + flag_no_function_cse = 1; \ + } \ + while (0) + +/* Don't allow *foo which foo is non-local */ +#define NO_EXTERNAL_INDIRECT_ADDRESS + +#undef VAX_CC1_AND_CC1PLUS_SPEC +#define VAX_CC1_AND_CC1PLUS_SPEC \ + "%{!fno-pic: \ + %{!fpic: \ + %{!fPIC:-fPIC}}}" + +/* VAX ELF is always gas; override the generic VAX ASM_SPEC. */ + +#undef ASM_SPEC +#define ASM_SPEC "%{!fno-pic: %{!mno-asm-pic:-k}}" + +/* We want PCREL dwarf output. */ +#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \ + ((GLOBAL ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel | DW_EH_PE_sdata4) + +/* Emit a PC-relative relocation. */ +#define ASM_OUTPUT_DWARF_PCREL(FILE, SIZE, LABEL) \ + do { \ + fputs (integer_asm_op (SIZE, FALSE), FILE); \ + fprintf (FILE, "%%pcrel%d(", SIZE * 8); \ + assemble_name (FILE, LABEL); \ + fputc (')', FILE); \ + } while (0) |