d48ca70553
Copy ASM_OUTPUT_ALIGNED_BSS, ASM_OUTPUT_MAX_SKIP_ALIGN and ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX from config/i386/gnu-user.h. * config/i386/iamcu.h (ASM_OUTPUT_ALIGNED_BSS): New. (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise. (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Likewise. From-SVN: r225609
86 lines
3.1 KiB
C
86 lines
3.1 KiB
C
/* Definitions of target machine for Intel MCU psABI.
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Copyright (C) 2015 Free Software Foundation, Inc.
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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Under Section 7 of GPL version 3, you are granted additional
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permissions described in the GCC Runtime Library Exception, version
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3.1, as published by the Free Software Foundation.
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You should have received a copy of the GNU General Public License and
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a copy of the GCC Runtime Library Exception along with this program;
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see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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<http://www.gnu.org/licenses/>. */
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/* Intel MCU has no 80387. Default to Intel MCU psABI. */
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#undef TARGET_SUBTARGET_DEFAULT
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#define TARGET_SUBTARGET_DEFAULT MASK_IAMCU
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#undef ASM_SPEC
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#define ASM_SPEC "--32 -march=iamcu"
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#undef LINK_SPEC
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#define LINK_SPEC "-m elf_iamcu"
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#undef ENDFILE_SPEC
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#define ENDFILE_SPEC ""
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC "crt0.o%s"
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#undef LIB_SPEC
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#define LIB_SPEC "--start-group -lc -lgloss --end-group"
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/* A C statement (sans semicolon) to output to the stdio stream
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FILE the assembler definition of uninitialized global DECL named
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NAME whose size is SIZE bytes and alignment is ALIGN bytes.
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Try to use asm_output_aligned_bss to implement this macro. */
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#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
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asm_output_aligned_bss (FILE, DECL, NAME, SIZE, ALIGN)
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/* A C statement to output to the stdio stream FILE an assembler
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command to advance the location counter to a multiple of 1<<LOG
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bytes if it is within MAX_SKIP bytes.
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This is used to align code labels according to Intel recommendations. */
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#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
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do { \
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if ((LOG) != 0) { \
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if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
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else { \
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fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
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/* Make sure that we have at least 8 byte alignment if > 8 byte \
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alignment is preferred. */ \
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if ((LOG) > 3 \
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&& (1 << (LOG)) > ((MAX_SKIP) + 1) \
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&& (MAX_SKIP) >= 7) \
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fputs ("\t.p2align 3\n", (FILE)); \
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} \
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} \
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} while (0)
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/* Handle special EH pointer encodings. Absolute, pc-relative, and
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indirect are handled automatically. */
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#define ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX(FILE, ENCODING, SIZE, ADDR, DONE) \
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do { \
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if ((SIZE) == 4 && ((ENCODING) & 0x70) == DW_EH_PE_datarel) \
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{ \
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fputs (ASM_LONG, FILE); \
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assemble_name (FILE, XSTR (ADDR, 0)); \
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fputs (((ENCODING) & DW_EH_PE_indirect ? "@GOT" : "@GOTOFF"), FILE); \
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goto DONE; \
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} \
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} while (0)
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