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709 |
jeremybenn |
/* Target definitions for GNU compiler for PowerPC running System V.4
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Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003,
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2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011
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Free Software Foundation, Inc.
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Contributed by Cygnus Support.
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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 it
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under the terms of the GNU General Public License as published
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by the Free Software Foundation; either version 3, or (at your
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option) any later version.
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GCC is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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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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/* Header files should be C++ aware in general. */
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#undef NO_IMPLICIT_EXTERN_C
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#define NO_IMPLICIT_EXTERN_C
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/* Yes! We are ELF. */
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#define TARGET_OBJECT_FORMAT OBJECT_ELF
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/* Default ABI to compile code for. */
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#define DEFAULT_ABI rs6000_current_abi
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/* Default ABI to use. */
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#define RS6000_ABI_NAME "sysv"
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/* Override rs6000.h definition. */
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#undef ASM_DEFAULT_SPEC
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#define ASM_DEFAULT_SPEC "-mppc"
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#define TARGET_TOC ((target_flags & MASK_64BIT) \
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|| ((target_flags & (MASK_RELOCATABLE \
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| MASK_MINIMAL_TOC)) \
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&& flag_pic > 1) \
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|| DEFAULT_ABI == ABI_AIX)
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#define TARGET_BITFIELD_TYPE (! TARGET_NO_BITFIELD_TYPE)
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#define TARGET_BIG_ENDIAN (! TARGET_LITTLE_ENDIAN)
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#define TARGET_PROTOTYPE target_prototype
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#define TARGET_NO_PROTOTYPE (! TARGET_PROTOTYPE)
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#define TARGET_NO_TOC (! TARGET_TOC)
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#define TARGET_NO_EABI (! TARGET_EABI)
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#define TARGET_REGNAMES rs6000_regnames
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#ifdef HAVE_AS_REL16
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#undef TARGET_SECURE_PLT
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#define TARGET_SECURE_PLT secure_plt
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#endif
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#define SDATA_DEFAULT_SIZE 8
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/* The macro SUBTARGET_OVERRIDE_OPTIONS is provided for subtargets, to
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get control in TARGET_OPTION_OVERRIDE. */
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#define SUBTARGET_OVERRIDE_OPTIONS \
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do { \
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if (!global_options_set.x_g_switch_value) \
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g_switch_value = SDATA_DEFAULT_SIZE; \
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\
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if (rs6000_abi_name == NULL) \
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rs6000_abi_name = RS6000_ABI_NAME; \
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\
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if (!strcmp (rs6000_abi_name, "sysv")) \
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rs6000_current_abi = ABI_V4; \
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else if (!strcmp (rs6000_abi_name, "sysv-noeabi")) \
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{ \
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rs6000_current_abi = ABI_V4; \
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target_flags &= ~ MASK_EABI; \
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} \
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else if (!strcmp (rs6000_abi_name, "sysv-eabi") \
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|| !strcmp (rs6000_abi_name, "eabi")) \
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{ \
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rs6000_current_abi = ABI_V4; \
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target_flags |= MASK_EABI; \
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} \
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else if (!strcmp (rs6000_abi_name, "aixdesc")) \
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rs6000_current_abi = ABI_AIX; \
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else if (!strcmp (rs6000_abi_name, "freebsd")) \
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rs6000_current_abi = ABI_V4; \
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else if (!strcmp (rs6000_abi_name, "linux")) \
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{ \
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if (TARGET_64BIT) \
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rs6000_current_abi = ABI_AIX; \
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else \
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rs6000_current_abi = ABI_V4; \
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} \
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else if (!strcmp (rs6000_abi_name, "netbsd")) \
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rs6000_current_abi = ABI_V4; \
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else if (!strcmp (rs6000_abi_name, "openbsd")) \
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rs6000_current_abi = ABI_V4; \
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else if (!strcmp (rs6000_abi_name, "i960-old")) \
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{ \
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rs6000_current_abi = ABI_V4; \
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target_flags |= (MASK_LITTLE_ENDIAN | MASK_EABI); \
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target_flags &= ~MASK_STRICT_ALIGN; \
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TARGET_NO_BITFIELD_WORD = 1; \
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} \
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else \
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{ \
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rs6000_current_abi = ABI_V4; \
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error ("bad value for -mcall-%s", rs6000_abi_name); \
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} \
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\
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if (rs6000_sdata_name) \
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{ \
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if (!strcmp (rs6000_sdata_name, "none")) \
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rs6000_sdata = SDATA_NONE; \
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else if (!strcmp (rs6000_sdata_name, "data")) \
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rs6000_sdata = SDATA_DATA; \
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else if (!strcmp (rs6000_sdata_name, "default")) \
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rs6000_sdata = (TARGET_EABI) ? SDATA_EABI : SDATA_SYSV; \
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else if (!strcmp (rs6000_sdata_name, "sysv")) \
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rs6000_sdata = SDATA_SYSV; \
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else if (!strcmp (rs6000_sdata_name, "eabi")) \
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rs6000_sdata = SDATA_EABI; \
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else \
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error ("bad value for -msdata=%s", rs6000_sdata_name); \
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} \
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else if (DEFAULT_ABI == ABI_V4) \
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{ \
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rs6000_sdata = SDATA_DATA; \
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rs6000_sdata_name = "data"; \
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} \
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else \
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{ \
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rs6000_sdata = SDATA_NONE; \
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rs6000_sdata_name = "none"; \
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} \
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\
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if (TARGET_RELOCATABLE && \
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(rs6000_sdata == SDATA_EABI || rs6000_sdata == SDATA_SYSV)) \
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{ \
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rs6000_sdata = SDATA_DATA; \
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error ("-mrelocatable and -msdata=%s are incompatible", \
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rs6000_sdata_name); \
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} \
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\
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else if (flag_pic && DEFAULT_ABI != ABI_AIX \
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&& (rs6000_sdata == SDATA_EABI \
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|| rs6000_sdata == SDATA_SYSV)) \
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{ \
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rs6000_sdata = SDATA_DATA; \
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error ("-f%s and -msdata=%s are incompatible", \
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(flag_pic > 1) ? "PIC" : "pic", \
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rs6000_sdata_name); \
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} \
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\
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if ((rs6000_sdata != SDATA_NONE && DEFAULT_ABI != ABI_V4) \
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|| (rs6000_sdata == SDATA_EABI && !TARGET_EABI)) \
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{ \
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rs6000_sdata = SDATA_NONE; \
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error ("-msdata=%s and -mcall-%s are incompatible", \
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rs6000_sdata_name, rs6000_abi_name); \
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} \
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\
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targetm.have_srodata_section = rs6000_sdata == SDATA_EABI; \
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\
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if (TARGET_RELOCATABLE && !TARGET_MINIMAL_TOC) \
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{ \
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target_flags |= MASK_MINIMAL_TOC; \
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error ("-mrelocatable and -mno-minimal-toc are incompatible"); \
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} \
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\
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if (TARGET_RELOCATABLE && rs6000_current_abi == ABI_AIX) \
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{ \
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target_flags &= ~MASK_RELOCATABLE; \
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error ("-mrelocatable and -mcall-%s are incompatible", \
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rs6000_abi_name); \
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} \
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\
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if (!TARGET_64BIT && flag_pic > 1 && rs6000_current_abi == ABI_AIX) \
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{ \
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flag_pic = 0; \
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error ("-fPIC and -mcall-%s are incompatible", \
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rs6000_abi_name); \
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} \
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\
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if (rs6000_current_abi == ABI_AIX && TARGET_LITTLE_ENDIAN) \
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{ \
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target_flags &= ~MASK_LITTLE_ENDIAN; \
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error ("-mcall-aixdesc must be big endian"); \
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} \
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\
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if (TARGET_SECURE_PLT != secure_plt) \
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{ \
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error ("-msecure-plt not supported by your assembler"); \
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} \
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\
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/* Treat -fPIC the same as -mrelocatable. */ \
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if (flag_pic > 1 && DEFAULT_ABI != ABI_AIX) \
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{ \
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target_flags |= MASK_RELOCATABLE | MASK_MINIMAL_TOC; \
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TARGET_NO_FP_IN_TOC = 1; \
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} \
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\
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else if (TARGET_RELOCATABLE) \
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if (!flag_pic) \
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flag_pic = 2; \
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} while (0)
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#ifndef RS6000_BI_ARCH
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# define SUBSUBTARGET_OVERRIDE_OPTIONS \
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do { \
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if ((TARGET_DEFAULT ^ target_flags) & MASK_64BIT) \
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error ("-m%s not supported in this configuration", \
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(target_flags & MASK_64BIT) ? "64" : "32"); \
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} while (0)
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#endif
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/* Override rs6000.h definition. */
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#undef TARGET_DEFAULT
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#define TARGET_DEFAULT (MASK_POWERPC | MASK_NEW_MNEMONICS)
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/* Override rs6000.h definition. */
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#undef PROCESSOR_DEFAULT
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#define PROCESSOR_DEFAULT PROCESSOR_PPC750
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| 232 |
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/* SVR4 only defined for PowerPC, so short-circuit POWER patterns. */
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#undef TARGET_POWER
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#define TARGET_POWER 0
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| 236 |
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#define FIXED_R2 1
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/* System V.4 uses register 13 as a pointer to the small data area,
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so it is not available to the normal user. */
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#define FIXED_R13 1
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| 241 |
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/* Override default big endianism definitions in rs6000.h. */
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#undef BYTES_BIG_ENDIAN
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#undef WORDS_BIG_ENDIAN
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#define BYTES_BIG_ENDIAN (TARGET_BIG_ENDIAN)
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#define WORDS_BIG_ENDIAN (TARGET_BIG_ENDIAN)
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| 247 |
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/* Define cutoff for using external functions to save floating point.
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When optimizing for size, use external functions when profitable. */
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#define FP_SAVE_INLINE(FIRST_REG) (optimize_size \
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? ((FIRST_REG) == 62 \
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|| (FIRST_REG) == 63) \
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: (FIRST_REG) < 64)
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/* And similarly for general purpose registers. */
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#define GP_SAVE_INLINE(FIRST_REG) ((FIRST_REG) < 32 \
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| 255 |
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&& !optimize_size)
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| 256 |
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| 257 |
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/* Put jump tables in read-only memory, rather than in .text. */
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| 258 |
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#define JUMP_TABLES_IN_TEXT_SECTION 0
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| 259 |
|
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|
| 260 |
|
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/* Prefix and suffix to use to saving floating point. */
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| 261 |
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#define SAVE_FP_PREFIX "_savefpr_"
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| 262 |
|
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#define SAVE_FP_SUFFIX ""
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| 263 |
|
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| 264 |
|
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/* Prefix and suffix to use to restoring floating point. */
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| 265 |
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#define RESTORE_FP_PREFIX "_restfpr_"
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| 266 |
|
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#define RESTORE_FP_SUFFIX ""
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| 267 |
|
|
|
| 268 |
|
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/* Type used for size_t, as a string used in a declaration. */
|
| 269 |
|
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#undef SIZE_TYPE
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| 270 |
|
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#define SIZE_TYPE "unsigned int"
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| 271 |
|
|
|
| 272 |
|
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/* Type used for ptrdiff_t, as a string used in a declaration. */
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| 273 |
|
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#define PTRDIFF_TYPE "int"
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| 274 |
|
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| 275 |
|
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#undef WCHAR_TYPE
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| 276 |
|
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#define WCHAR_TYPE "long int"
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| 277 |
|
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| 278 |
|
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#undef WCHAR_TYPE_SIZE
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| 279 |
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#define WCHAR_TYPE_SIZE 32
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| 280 |
|
|
|
| 281 |
|
|
/* Make int foo : 8 not cause structures to be aligned to an int boundary. */
|
| 282 |
|
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/* Override elfos.h definition. */
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| 283 |
|
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#undef PCC_BITFIELD_TYPE_MATTERS
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| 284 |
|
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#define PCC_BITFIELD_TYPE_MATTERS (TARGET_BITFIELD_TYPE)
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| 285 |
|
|
|
| 286 |
|
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#undef BITFIELD_NBYTES_LIMITED
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| 287 |
|
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#define BITFIELD_NBYTES_LIMITED (TARGET_NO_BITFIELD_WORD)
|
| 288 |
|
|
|
| 289 |
|
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/* Define this macro to be the value 1 if instructions will fail to
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| 290 |
|
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work if given data not on the nominal alignment. If instructions
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| 291 |
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will merely go slower in that case, define this macro as 0. */
|
| 292 |
|
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#undef STRICT_ALIGNMENT
|
| 293 |
|
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#define STRICT_ALIGNMENT (TARGET_STRICT_ALIGN)
|
| 294 |
|
|
|
| 295 |
|
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/* Define this macro if you wish to preserve a certain alignment for
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| 296 |
|
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the stack pointer, greater than what the hardware enforces. The
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| 297 |
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definition is a C expression for the desired alignment (measured
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| 298 |
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in bits). This macro must evaluate to a value equal to or larger
|
| 299 |
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than STACK_BOUNDARY.
|
| 300 |
|
|
For the SYSV ABI and variants the alignment of the stack pointer
|
| 301 |
|
|
is usually controlled manually in rs6000.c. However, to maintain
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| 302 |
|
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alignment across alloca () in all circumstances,
|
| 303 |
|
|
PREFERRED_STACK_BOUNDARY needs to be set as well.
|
| 304 |
|
|
This has the additional advantage of allowing a bigger maximum
|
| 305 |
|
|
alignment of user objects on the stack. */
|
| 306 |
|
|
|
| 307 |
|
|
#undef PREFERRED_STACK_BOUNDARY
|
| 308 |
|
|
#define PREFERRED_STACK_BOUNDARY 128
|
| 309 |
|
|
|
| 310 |
|
|
/* Real stack boundary as mandated by the appropriate ABI. */
|
| 311 |
|
|
#define ABI_STACK_BOUNDARY \
|
| 312 |
|
|
((TARGET_EABI && !TARGET_ALTIVEC && !TARGET_ALTIVEC_ABI) ? 64 : 128)
|
| 313 |
|
|
|
| 314 |
|
|
/* An expression for the alignment of a structure field FIELD if the
|
| 315 |
|
|
alignment computed in the usual way is COMPUTED. */
|
| 316 |
|
|
#define ADJUST_FIELD_ALIGN(FIELD, COMPUTED) \
|
| 317 |
|
|
((TARGET_ALTIVEC && TREE_CODE (TREE_TYPE (FIELD)) == VECTOR_TYPE) \
|
| 318 |
|
|
? 128 : COMPUTED)
|
| 319 |
|
|
|
| 320 |
|
|
#undef BIGGEST_FIELD_ALIGNMENT
|
| 321 |
|
|
|
| 322 |
|
|
/* Use ELF style section commands. */
|
| 323 |
|
|
|
| 324 |
|
|
#define TEXT_SECTION_ASM_OP "\t.section\t\".text\""
|
| 325 |
|
|
|
| 326 |
|
|
#define DATA_SECTION_ASM_OP "\t.section\t\".data\""
|
| 327 |
|
|
|
| 328 |
|
|
#define BSS_SECTION_ASM_OP "\t.section\t\".bss\""
|
| 329 |
|
|
|
| 330 |
|
|
/* Override elfos.h definition. */
|
| 331 |
|
|
#undef INIT_SECTION_ASM_OP
|
| 332 |
|
|
#define INIT_SECTION_ASM_OP "\t.section\t\".init\",\"ax\""
|
| 333 |
|
|
|
| 334 |
|
|
/* Override elfos.h definition. */
|
| 335 |
|
|
#undef FINI_SECTION_ASM_OP
|
| 336 |
|
|
#define FINI_SECTION_ASM_OP "\t.section\t\".fini\",\"ax\""
|
| 337 |
|
|
|
| 338 |
|
|
#define TOC_SECTION_ASM_OP "\t.section\t\".got\",\"aw\""
|
| 339 |
|
|
|
| 340 |
|
|
/* Put PC relative got entries in .got2. */
|
| 341 |
|
|
#define MINIMAL_TOC_SECTION_ASM_OP \
|
| 342 |
|
|
(TARGET_RELOCATABLE || (flag_pic && DEFAULT_ABI != ABI_AIX) \
|
| 343 |
|
|
? "\t.section\t\".got2\",\"aw\"" : "\t.section\t\".got1\",\"aw\"")
|
| 344 |
|
|
|
| 345 |
|
|
#define SDATA_SECTION_ASM_OP "\t.section\t\".sdata\",\"aw\""
|
| 346 |
|
|
#define SDATA2_SECTION_ASM_OP "\t.section\t\".sdata2\",\"a\""
|
| 347 |
|
|
#define SBSS_SECTION_ASM_OP "\t.section\t\".sbss\",\"aw\",@nobits"
|
| 348 |
|
|
|
| 349 |
|
|
/* Override default elf definitions. */
|
| 350 |
|
|
#define TARGET_ASM_INIT_SECTIONS rs6000_elf_asm_init_sections
|
| 351 |
|
|
#undef TARGET_ASM_RELOC_RW_MASK
|
| 352 |
|
|
#define TARGET_ASM_RELOC_RW_MASK rs6000_elf_reloc_rw_mask
|
| 353 |
|
|
#undef TARGET_ASM_SELECT_RTX_SECTION
|
| 354 |
|
|
#define TARGET_ASM_SELECT_RTX_SECTION rs6000_elf_select_rtx_section
|
| 355 |
|
|
|
| 356 |
|
|
/* Return nonzero if this entry is to be written into the constant pool
|
| 357 |
|
|
in a special way. We do so if this is a SYMBOL_REF, LABEL_REF or a CONST
|
| 358 |
|
|
containing one of them. If -mfp-in-toc (the default), we also do
|
| 359 |
|
|
this for floating-point constants. We actually can only do this
|
| 360 |
|
|
if the FP formats of the target and host machines are the same, but
|
| 361 |
|
|
we can't check that since not every file that uses these target macros
|
| 362 |
|
|
includes real.h.
|
| 363 |
|
|
|
| 364 |
|
|
Unlike AIX, we don't key off of -mminimal-toc, but instead do not
|
| 365 |
|
|
allow floating point constants in the TOC if -mrelocatable. */
|
| 366 |
|
|
|
| 367 |
|
|
#undef ASM_OUTPUT_SPECIAL_POOL_ENTRY_P
|
| 368 |
|
|
#define ASM_OUTPUT_SPECIAL_POOL_ENTRY_P(X, MODE) \
|
| 369 |
|
|
(TARGET_TOC \
|
| 370 |
|
|
&& (GET_CODE (X) == SYMBOL_REF \
|
| 371 |
|
|
|| (GET_CODE (X) == CONST && GET_CODE (XEXP (X, 0)) == PLUS \
|
| 372 |
|
|
&& GET_CODE (XEXP (XEXP (X, 0), 0)) == SYMBOL_REF) \
|
| 373 |
|
|
|| GET_CODE (X) == LABEL_REF \
|
| 374 |
|
|
|| (GET_CODE (X) == CONST_INT \
|
| 375 |
|
|
&& GET_MODE_BITSIZE (MODE) <= GET_MODE_BITSIZE (Pmode)) \
|
| 376 |
|
|
|| (!TARGET_NO_FP_IN_TOC \
|
| 377 |
|
|
&& !TARGET_RELOCATABLE \
|
| 378 |
|
|
&& GET_CODE (X) == CONST_DOUBLE \
|
| 379 |
|
|
&& SCALAR_FLOAT_MODE_P (GET_MODE (X)) \
|
| 380 |
|
|
&& BITS_PER_WORD == HOST_BITS_PER_INT)))
|
| 381 |
|
|
|
| 382 |
|
|
/* These macros generate the special .type and .size directives which
|
| 383 |
|
|
are used to set the corresponding fields of the linker symbol table
|
| 384 |
|
|
entries in an ELF object file under SVR4. These macros also output
|
| 385 |
|
|
the starting labels for the relevant functions/objects. */
|
| 386 |
|
|
|
| 387 |
|
|
/* Write the extra assembler code needed to declare a function properly.
|
| 388 |
|
|
Some svr4 assemblers need to also have something extra said about the
|
| 389 |
|
|
function's return value. We allow for that here. */
|
| 390 |
|
|
|
| 391 |
|
|
/* Override elfos.h definition. */
|
| 392 |
|
|
#undef ASM_DECLARE_FUNCTION_NAME
|
| 393 |
|
|
#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
|
| 394 |
|
|
rs6000_elf_declare_function_name ((FILE), (NAME), (DECL))
|
| 395 |
|
|
|
| 396 |
|
|
/* The USER_LABEL_PREFIX stuff is affected by the -fleading-underscore
|
| 397 |
|
|
flag. The LOCAL_LABEL_PREFIX variable is used by dbxelf.h. */
|
| 398 |
|
|
|
| 399 |
|
|
#define LOCAL_LABEL_PREFIX "."
|
| 400 |
|
|
#define USER_LABEL_PREFIX ""
|
| 401 |
|
|
|
| 402 |
|
|
#define ASM_OUTPUT_INTERNAL_LABEL_PREFIX(FILE,PREFIX) \
|
| 403 |
|
|
asm_fprintf (FILE, "%L%s", PREFIX)
|
| 404 |
|
|
|
| 405 |
|
|
/* Globalizing directive for a label. */
|
| 406 |
|
|
#define GLOBAL_ASM_OP "\t.globl "
|
| 407 |
|
|
|
| 408 |
|
|
/* This says how to output assembler code to declare an
|
| 409 |
|
|
uninitialized internal linkage data object. Under SVR4,
|
| 410 |
|
|
the linker seems to want the alignment of data objects
|
| 411 |
|
|
to depend on their types. We do exactly that here. */
|
| 412 |
|
|
|
| 413 |
|
|
#define LOCAL_ASM_OP "\t.local\t"
|
| 414 |
|
|
|
| 415 |
|
|
#define LCOMM_ASM_OP "\t.lcomm\t"
|
| 416 |
|
|
|
| 417 |
|
|
/* Describe how to emit uninitialized local items. */
|
| 418 |
|
|
#define ASM_OUTPUT_ALIGNED_DECL_LOCAL(FILE, DECL, NAME, SIZE, ALIGN) \
|
| 419 |
|
|
do { \
|
| 420 |
|
|
if ((DECL) && rs6000_elf_in_small_data_p (DECL)) \
|
| 421 |
|
|
{ \
|
| 422 |
|
|
switch_to_section (sbss_section); \
|
| 423 |
|
|
ASM_OUTPUT_ALIGN (FILE, exact_log2 (ALIGN / BITS_PER_UNIT)); \
|
| 424 |
|
|
ASM_OUTPUT_LABEL (FILE, NAME); \
|
| 425 |
|
|
ASM_OUTPUT_SKIP (FILE, SIZE); \
|
| 426 |
|
|
if (!flag_inhibit_size_directive && (SIZE) > 0) \
|
| 427 |
|
|
ASM_OUTPUT_SIZE_DIRECTIVE (FILE, NAME, SIZE); \
|
| 428 |
|
|
} \
|
| 429 |
|
|
else \
|
| 430 |
|
|
{ \
|
| 431 |
|
|
fprintf (FILE, "%s", LCOMM_ASM_OP); \
|
| 432 |
|
|
assemble_name ((FILE), (NAME)); \
|
| 433 |
|
|
fprintf ((FILE), ","HOST_WIDE_INT_PRINT_UNSIGNED",%u\n", \
|
| 434 |
|
|
(SIZE), (ALIGN) / BITS_PER_UNIT); \
|
| 435 |
|
|
} \
|
| 436 |
|
|
ASM_OUTPUT_TYPE_DIRECTIVE (FILE, NAME, "object"); \
|
| 437 |
|
|
} while (0)
|
| 438 |
|
|
|
| 439 |
|
|
/* Describe how to emit uninitialized external linkage items. */
|
| 440 |
|
|
#define ASM_OUTPUT_ALIGNED_BSS(FILE, DECL, NAME, SIZE, ALIGN) \
|
| 441 |
|
|
do { \
|
| 442 |
|
|
ASM_OUTPUT_ALIGNED_DECL_LOCAL (FILE, DECL, NAME, SIZE, ALIGN); \
|
| 443 |
|
|
} while (0)
|
| 444 |
|
|
|
| 445 |
|
|
#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
|
| 446 |
|
|
/* To support -falign-* switches we need to use .p2align so
|
| 447 |
|
|
that alignment directives in code sections will be padded
|
| 448 |
|
|
with no-op instructions, rather than zeroes. */
|
| 449 |
|
|
#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
|
| 450 |
|
|
if ((LOG) != 0) \
|
| 451 |
|
|
{ \
|
| 452 |
|
|
if ((MAX_SKIP) == 0) \
|
| 453 |
|
|
fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
|
| 454 |
|
|
else \
|
| 455 |
|
|
fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
|
| 456 |
|
|
}
|
| 457 |
|
|
#endif
|
| 458 |
|
|
|
| 459 |
|
|
/* This is how to output code to push a register on the stack.
|
| 460 |
|
|
It need not be very fast code.
|
| 461 |
|
|
|
| 462 |
|
|
On the rs6000, we must keep the backchain up to date. In order
|
| 463 |
|
|
to simplify things, always allocate 16 bytes for a push (System V
|
| 464 |
|
|
wants to keep stack aligned to a 16 byte boundary). */
|
| 465 |
|
|
|
| 466 |
|
|
#define ASM_OUTPUT_REG_PUSH(FILE, REGNO) \
|
| 467 |
|
|
do { \
|
| 468 |
|
|
if (DEFAULT_ABI == ABI_V4) \
|
| 469 |
|
|
asm_fprintf (FILE, \
|
| 470 |
|
|
"\t{stu|stwu} %s,-16(%s)\n\t{st|stw} %s,12(%s)\n", \
|
| 471 |
|
|
reg_names[1], reg_names[1], reg_names[REGNO], \
|
| 472 |
|
|
reg_names[1]); \
|
| 473 |
|
|
} while (0)
|
| 474 |
|
|
|
| 475 |
|
|
/* This is how to output an insn to pop a register from the stack.
|
| 476 |
|
|
It need not be very fast code. */
|
| 477 |
|
|
|
| 478 |
|
|
#define ASM_OUTPUT_REG_POP(FILE, REGNO) \
|
| 479 |
|
|
do { \
|
| 480 |
|
|
if (DEFAULT_ABI == ABI_V4) \
|
| 481 |
|
|
asm_fprintf (FILE, \
|
| 482 |
|
|
"\t{l|lwz} %s,12(%s)\n\t{ai|addic} %s,%s,16\n", \
|
| 483 |
|
|
reg_names[REGNO], reg_names[1], reg_names[1], \
|
| 484 |
|
|
reg_names[1]); \
|
| 485 |
|
|
} while (0)
|
| 486 |
|
|
|
| 487 |
|
|
extern int fixuplabelno;
|
| 488 |
|
|
|
| 489 |
|
|
/* Handle constructors specially for -mrelocatable. */
|
| 490 |
|
|
#define TARGET_ASM_CONSTRUCTOR rs6000_elf_asm_out_constructor
|
| 491 |
|
|
#define TARGET_ASM_DESTRUCTOR rs6000_elf_asm_out_destructor
|
| 492 |
|
|
|
| 493 |
|
|
/* This is the end of what might become sysv4.h. */
|
| 494 |
|
|
|
| 495 |
|
|
/* Use DWARF 2 debugging information by default. */
|
| 496 |
|
|
#undef PREFERRED_DEBUGGING_TYPE
|
| 497 |
|
|
#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
|
| 498 |
|
|
|
| 499 |
|
|
/* Historically we have also supported stabs debugging. */
|
| 500 |
|
|
#define DBX_DEBUGGING_INFO 1
|
| 501 |
|
|
|
| 502 |
|
|
#define TARGET_ENCODE_SECTION_INFO rs6000_elf_encode_section_info
|
| 503 |
|
|
#define TARGET_IN_SMALL_DATA_P rs6000_elf_in_small_data_p
|
| 504 |
|
|
|
| 505 |
|
|
/* The ELF version doesn't encode [DS] or whatever at the end of symbols. */
|
| 506 |
|
|
|
| 507 |
|
|
#define RS6000_OUTPUT_BASENAME(FILE, NAME) \
|
| 508 |
|
|
assemble_name (FILE, NAME)
|
| 509 |
|
|
|
| 510 |
|
|
/* We have to output the stabs for the function name *first*, before
|
| 511 |
|
|
outputting its label. */
|
| 512 |
|
|
|
| 513 |
|
|
#define DBX_FUNCTION_FIRST
|
| 514 |
|
|
|
| 515 |
|
|
/* This is the end of what might become sysv4dbx.h. */
|
| 516 |
|
|
|
| 517 |
|
|
#define TARGET_OS_SYSV_CPP_BUILTINS() \
|
| 518 |
|
|
do \
|
| 519 |
|
|
{ \
|
| 520 |
|
|
if (target_flags_explicit \
|
| 521 |
|
|
& MASK_RELOCATABLE) \
|
| 522 |
|
|
builtin_define ("_RELOCATABLE"); \
|
| 523 |
|
|
} \
|
| 524 |
|
|
while (0)
|
| 525 |
|
|
|
| 526 |
|
|
#ifndef TARGET_OS_CPP_BUILTINS
|
| 527 |
|
|
#define TARGET_OS_CPP_BUILTINS() \
|
| 528 |
|
|
do \
|
| 529 |
|
|
{ \
|
| 530 |
|
|
builtin_define_std ("PPC"); \
|
| 531 |
|
|
builtin_define_std ("unix"); \
|
| 532 |
|
|
builtin_define ("__svr4__"); \
|
| 533 |
|
|
builtin_assert ("system=unix"); \
|
| 534 |
|
|
builtin_assert ("system=svr4"); \
|
| 535 |
|
|
builtin_assert ("cpu=powerpc"); \
|
| 536 |
|
|
builtin_assert ("machine=powerpc"); \
|
| 537 |
|
|
TARGET_OS_SYSV_CPP_BUILTINS (); \
|
| 538 |
|
|
} \
|
| 539 |
|
|
while (0)
|
| 540 |
|
|
#endif
|
| 541 |
|
|
|
| 542 |
|
|
#undef ASM_SPEC
|
| 543 |
|
|
#define ASM_SPEC "%(asm_cpu) \
|
| 544 |
|
|
%{,assembler|,assembler-with-cpp: %{mregnames} %{mno-regnames}} \
|
| 545 |
|
|
%{mrelocatable} %{mrelocatable-lib} %{fpic|fpie|fPIC|fPIE:-K PIC} \
|
| 546 |
|
|
%{memb|msdata=eabi: -memb} \
|
| 547 |
|
|
%{mlittle|mlittle-endian:-mlittle; \
|
| 548 |
|
|
mbig|mbig-endian :-mbig; \
|
| 549 |
|
|
mcall-aixdesc | \
|
| 550 |
|
|
mcall-freebsd | \
|
| 551 |
|
|
mcall-netbsd | \
|
| 552 |
|
|
mcall-openbsd | \
|
| 553 |
|
|
mcall-linux :-mbig; \
|
| 554 |
|
|
mcall-i960-old :-mlittle}"
|
| 555 |
|
|
|
| 556 |
|
|
#define CC1_ENDIAN_BIG_SPEC ""
|
| 557 |
|
|
|
| 558 |
|
|
#define CC1_ENDIAN_LITTLE_SPEC "\
|
| 559 |
|
|
%{!mstrict-align: %{!mno-strict-align: \
|
| 560 |
|
|
%{!mcall-i960-old: \
|
| 561 |
|
|
-mstrict-align \
|
| 562 |
|
|
} \
|
| 563 |
|
|
}}"
|
| 564 |
|
|
|
| 565 |
|
|
#define CC1_ENDIAN_DEFAULT_SPEC "%(cc1_endian_big)"
|
| 566 |
|
|
|
| 567 |
|
|
#ifndef CC1_SECURE_PLT_DEFAULT_SPEC
|
| 568 |
|
|
#define CC1_SECURE_PLT_DEFAULT_SPEC ""
|
| 569 |
|
|
#endif
|
| 570 |
|
|
|
| 571 |
|
|
/* Pass -G xxx to the compiler and set correct endian mode. */
|
| 572 |
|
|
#define CC1_SPEC "%{G*} %(cc1_cpu) \
|
| 573 |
|
|
%{mlittle|mlittle-endian: %(cc1_endian_little); \
|
| 574 |
|
|
mbig |mbig-endian : %(cc1_endian_big); \
|
| 575 |
|
|
mcall-aixdesc | \
|
| 576 |
|
|
mcall-freebsd | \
|
| 577 |
|
|
mcall-netbsd | \
|
| 578 |
|
|
mcall-openbsd | \
|
| 579 |
|
|
mcall-linux : -mbig %(cc1_endian_big); \
|
| 580 |
|
|
mcall-i960-old : -mlittle %(cc1_endian_little); \
|
| 581 |
|
|
: %(cc1_endian_default)} \
|
| 582 |
|
|
%{meabi: %{!mcall-*: -mcall-sysv }} \
|
| 583 |
|
|
%{!meabi: %{!mno-eabi: \
|
| 584 |
|
|
%{mrelocatable: -meabi } \
|
| 585 |
|
|
%{mcall-freebsd: -mno-eabi } \
|
| 586 |
|
|
%{mcall-i960-old: -meabi } \
|
| 587 |
|
|
%{mcall-linux: -mno-eabi } \
|
| 588 |
|
|
%{mcall-netbsd: -mno-eabi } \
|
| 589 |
|
|
%{mcall-openbsd: -mno-eabi }}} \
|
| 590 |
|
|
%{msdata: -msdata=default} \
|
| 591 |
|
|
%{mno-sdata: -msdata=none} \
|
| 592 |
|
|
%{!mbss-plt: %{!msecure-plt: %(cc1_secure_plt_default)}} \
|
| 593 |
|
|
%{profile: -p}"
|
| 594 |
|
|
|
| 595 |
|
|
/* Default starting address if specified. */
|
| 596 |
|
|
#define LINK_START_SPEC "\
|
| 597 |
|
|
%{mads : %(link_start_ads) ; \
|
| 598 |
|
|
myellowknife : %(link_start_yellowknife) ; \
|
| 599 |
|
|
mmvme : %(link_start_mvme) ; \
|
| 600 |
|
|
msim : %(link_start_sim) ; \
|
| 601 |
|
|
mcall-freebsd: %(link_start_freebsd) ; \
|
| 602 |
|
|
mcall-linux : %(link_start_linux) ; \
|
| 603 |
|
|
mcall-netbsd : %(link_start_netbsd) ; \
|
| 604 |
|
|
mcall-openbsd: %(link_start_openbsd) ; \
|
| 605 |
|
|
: %(link_start_default) }"
|
| 606 |
|
|
|
| 607 |
|
|
#define LINK_START_DEFAULT_SPEC ""
|
| 608 |
|
|
|
| 609 |
|
|
#undef LINK_SPEC
|
| 610 |
|
|
#define LINK_SPEC "\
|
| 611 |
|
|
%{h*} %{v:-V} %{!msdata=none:%{G*}} %{msdata=none:-G0} \
|
| 612 |
|
|
%{R*} \
|
| 613 |
|
|
%(link_shlib) \
|
| 614 |
|
|
%{!T*: %(link_start) } \
|
| 615 |
|
|
%(link_target) \
|
| 616 |
|
|
%(link_os)"
|
| 617 |
|
|
|
| 618 |
|
|
/* Shared libraries are not default. */
|
| 619 |
|
|
#define LINK_SHLIB_SPEC "\
|
| 620 |
|
|
%{!mshlib: %{!shared: %{!symbolic: -dn -Bstatic}}} \
|
| 621 |
|
|
%{static: } \
|
| 622 |
|
|
%{shared:-G -dy -z text } \
|
| 623 |
|
|
%{symbolic:-Bsymbolic -G -dy -z text }"
|
| 624 |
|
|
|
| 625 |
|
|
/* Override the default target of the linker. */
|
| 626 |
|
|
#define LINK_TARGET_SPEC "\
|
| 627 |
|
|
%{mlittle: --oformat elf32-powerpcle } %{mlittle-endian: --oformat elf32-powerpcle } \
|
| 628 |
|
|
%{!mlittle: %{!mlittle-endian: %{!mbig: %{!mbig-endian: \
|
| 629 |
|
|
%{mcall-i960-old: --oformat elf32-powerpcle} \
|
| 630 |
|
|
}}}}"
|
| 631 |
|
|
|
| 632 |
|
|
/* Any specific OS flags. */
|
| 633 |
|
|
#define LINK_OS_SPEC "\
|
| 634 |
|
|
%{mads : %(link_os_ads) ; \
|
| 635 |
|
|
myellowknife : %(link_os_yellowknife) ; \
|
| 636 |
|
|
mmvme : %(link_os_mvme) ; \
|
| 637 |
|
|
msim : %(link_os_sim) ; \
|
| 638 |
|
|
mcall-freebsd: %(link_os_freebsd) ; \
|
| 639 |
|
|
mcall-linux : %(link_os_linux) ; \
|
| 640 |
|
|
mcall-netbsd : %(link_os_netbsd) ; \
|
| 641 |
|
|
mcall-openbsd: %(link_os_openbsd) ; \
|
| 642 |
|
|
: %(link_os_default) }"
|
| 643 |
|
|
|
| 644 |
|
|
#define LINK_OS_DEFAULT_SPEC ""
|
| 645 |
|
|
|
| 646 |
|
|
#define DRIVER_SELF_SPECS "%{mfpu=none: %<mfpu=* \
|
| 647 |
|
|
%<msingle-float %<mdouble-float}"
|
| 648 |
|
|
|
| 649 |
|
|
/* Override rs6000.h definition. */
|
| 650 |
|
|
#undef CPP_SPEC
|
| 651 |
|
|
#define CPP_SPEC "%{posix: -D_POSIX_SOURCE} \
|
| 652 |
|
|
%{mads : %(cpp_os_ads) ; \
|
| 653 |
|
|
myellowknife : %(cpp_os_yellowknife) ; \
|
| 654 |
|
|
mmvme : %(cpp_os_mvme) ; \
|
| 655 |
|
|
msim : %(cpp_os_sim) ; \
|
| 656 |
|
|
mcall-freebsd: %(cpp_os_freebsd) ; \
|
| 657 |
|
|
mcall-linux : %(cpp_os_linux) ; \
|
| 658 |
|
|
mcall-netbsd : %(cpp_os_netbsd) ; \
|
| 659 |
|
|
mcall-openbsd: %(cpp_os_openbsd) ; \
|
| 660 |
|
|
: %(cpp_os_default) }"
|
| 661 |
|
|
|
| 662 |
|
|
#define CPP_OS_DEFAULT_SPEC ""
|
| 663 |
|
|
|
| 664 |
|
|
#undef STARTFILE_SPEC
|
| 665 |
|
|
#define STARTFILE_SPEC "\
|
| 666 |
|
|
%{mads : %(startfile_ads) ; \
|
| 667 |
|
|
myellowknife : %(startfile_yellowknife) ; \
|
| 668 |
|
|
mmvme : %(startfile_mvme) ; \
|
| 669 |
|
|
msim : %(startfile_sim) ; \
|
| 670 |
|
|
mcall-freebsd: %(startfile_freebsd) ; \
|
| 671 |
|
|
mcall-linux : %(startfile_linux) ; \
|
| 672 |
|
|
mcall-netbsd : %(startfile_netbsd) ; \
|
| 673 |
|
|
mcall-openbsd: %(startfile_openbsd) ; \
|
| 674 |
|
|
: %(startfile_default) }"
|
| 675 |
|
|
|
| 676 |
|
|
#define STARTFILE_DEFAULT_SPEC "ecrti.o%s crtbegin.o%s"
|
| 677 |
|
|
|
| 678 |
|
|
#undef LIB_SPEC
|
| 679 |
|
|
#define LIB_SPEC "\
|
| 680 |
|
|
%{mads : %(lib_ads) ; \
|
| 681 |
|
|
myellowknife : %(lib_yellowknife) ; \
|
| 682 |
|
|
mmvme : %(lib_mvme) ; \
|
| 683 |
|
|
msim : %(lib_sim) ; \
|
| 684 |
|
|
mcall-freebsd: %(lib_freebsd) ; \
|
| 685 |
|
|
mcall-linux : %(lib_linux) ; \
|
| 686 |
|
|
mcall-netbsd : %(lib_netbsd) ; \
|
| 687 |
|
|
mcall-openbsd: %(lib_openbsd) ; \
|
| 688 |
|
|
: %(lib_default) }"
|
| 689 |
|
|
|
| 690 |
|
|
#define LIB_DEFAULT_SPEC "-lc"
|
| 691 |
|
|
|
| 692 |
|
|
#undef ENDFILE_SPEC
|
| 693 |
|
|
#define ENDFILE_SPEC "\
|
| 694 |
|
|
%{mads : %(endfile_ads) ; \
|
| 695 |
|
|
myellowknife : %(endfile_yellowknife) ; \
|
| 696 |
|
|
mmvme : %(endfile_mvme) ; \
|
| 697 |
|
|
msim : %(endfile_sim) ; \
|
| 698 |
|
|
mcall-freebsd: %(endfile_freebsd) ; \
|
| 699 |
|
|
mcall-linux : %(endfile_linux) ; \
|
| 700 |
|
|
mcall-netbsd : %(endfile_netbsd) ; \
|
| 701 |
|
|
mcall-openbsd: %(endfile_openbsd) ; \
|
| 702 |
|
|
: %(crtsavres_default) %(endfile_default) }"
|
| 703 |
|
|
|
| 704 |
|
|
#define CRTSAVRES_DEFAULT_SPEC ""
|
| 705 |
|
|
|
| 706 |
|
|
#define ENDFILE_DEFAULT_SPEC "crtend.o%s ecrtn.o%s"
|
| 707 |
|
|
|
| 708 |
|
|
/* Motorola ADS support. */
|
| 709 |
|
|
#define LIB_ADS_SPEC "--start-group -lads -lc --end-group"
|
| 710 |
|
|
|
| 711 |
|
|
#define STARTFILE_ADS_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s"
|
| 712 |
|
|
|
| 713 |
|
|
#define ENDFILE_ADS_SPEC "crtend.o%s ecrtn.o%s"
|
| 714 |
|
|
|
| 715 |
|
|
#define LINK_START_ADS_SPEC "-T ads.ld%s"
|
| 716 |
|
|
|
| 717 |
|
|
#define LINK_OS_ADS_SPEC ""
|
| 718 |
|
|
|
| 719 |
|
|
#define CPP_OS_ADS_SPEC ""
|
| 720 |
|
|
|
| 721 |
|
|
/* Motorola Yellowknife support. */
|
| 722 |
|
|
#define LIB_YELLOWKNIFE_SPEC "--start-group -lyk -lc --end-group"
|
| 723 |
|
|
|
| 724 |
|
|
#define STARTFILE_YELLOWKNIFE_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s"
|
| 725 |
|
|
|
| 726 |
|
|
#define ENDFILE_YELLOWKNIFE_SPEC "crtend.o%s ecrtn.o%s"
|
| 727 |
|
|
|
| 728 |
|
|
#define LINK_START_YELLOWKNIFE_SPEC "-T yellowknife.ld%s"
|
| 729 |
|
|
|
| 730 |
|
|
#define LINK_OS_YELLOWKNIFE_SPEC ""
|
| 731 |
|
|
|
| 732 |
|
|
#define CPP_OS_YELLOWKNIFE_SPEC ""
|
| 733 |
|
|
|
| 734 |
|
|
/* Motorola MVME support. */
|
| 735 |
|
|
#define LIB_MVME_SPEC "--start-group -lmvme -lc --end-group"
|
| 736 |
|
|
|
| 737 |
|
|
#define STARTFILE_MVME_SPEC "ecrti.o%s crt0.o%s crtbegin.o%s"
|
| 738 |
|
|
|
| 739 |
|
|
#define ENDFILE_MVME_SPEC "crtend.o%s ecrtn.o%s"
|
| 740 |
|
|
|
| 741 |
|
|
#define LINK_START_MVME_SPEC "-Ttext 0x40000"
|
| 742 |
|
|
|
| 743 |
|
|
#define LINK_OS_MVME_SPEC ""
|
| 744 |
|
|
|
| 745 |
|
|
#define CPP_OS_MVME_SPEC ""
|
| 746 |
|
|
|
| 747 |
|
|
/* PowerPC simulator based on netbsd system calls support. */
|
| 748 |
|
|
#define LIB_SIM_SPEC "--start-group -lsim -lc --end-group"
|
| 749 |
|
|
|
| 750 |
|
|
#define STARTFILE_SIM_SPEC "ecrti.o%s sim-crt0.o%s crtbegin.o%s"
|
| 751 |
|
|
|
| 752 |
|
|
#define ENDFILE_SIM_SPEC "crtend.o%s ecrtn.o%s"
|
| 753 |
|
|
|
| 754 |
|
|
#define LINK_START_SIM_SPEC ""
|
| 755 |
|
|
|
| 756 |
|
|
#define LINK_OS_SIM_SPEC "-m elf32ppcsim"
|
| 757 |
|
|
|
| 758 |
|
|
#define CPP_OS_SIM_SPEC ""
|
| 759 |
|
|
|
| 760 |
|
|
/* FreeBSD support. */
|
| 761 |
|
|
|
| 762 |
|
|
#define CPP_OS_FREEBSD_SPEC "\
|
| 763 |
|
|
-D__PPC__ -D__ppc__ -D__PowerPC__ -D__powerpc__ \
|
| 764 |
|
|
-Acpu=powerpc -Amachine=powerpc"
|
| 765 |
|
|
|
| 766 |
|
|
#define STARTFILE_FREEBSD_SPEC FBSD_STARTFILE_SPEC
|
| 767 |
|
|
#define ENDFILE_FREEBSD_SPEC FBSD_ENDFILE_SPEC
|
| 768 |
|
|
#define LIB_FREEBSD_SPEC FBSD_LIB_SPEC
|
| 769 |
|
|
#define LINK_START_FREEBSD_SPEC ""
|
| 770 |
|
|
|
| 771 |
|
|
#define LINK_OS_FREEBSD_SPEC "\
|
| 772 |
|
|
%{p:%nconsider using '-pg' instead of '-p' with gprof(1)} \
|
| 773 |
|
|
%{v:-V} \
|
| 774 |
|
|
%{assert*} %{R*} %{rpath*} %{defsym*} \
|
| 775 |
|
|
%{shared:-Bshareable %{h*} %{soname*}} \
|
| 776 |
|
|
%{!shared: \
|
| 777 |
|
|
%{!static: \
|
| 778 |
|
|
%{rdynamic: -export-dynamic} \
|
| 779 |
|
|
-dynamic-linker %(fbsd_dynamic_linker) } \
|
| 780 |
|
|
%{static:-Bstatic}} \
|
| 781 |
|
|
%{symbolic:-Bsymbolic}"
|
| 782 |
|
|
|
| 783 |
|
|
/* GNU/Linux support. */
|
| 784 |
|
|
#define LIB_LINUX_SPEC "%{mnewlib: --start-group -llinux -lc --end-group } \
|
| 785 |
|
|
%{!mnewlib: %{pthread:-lpthread} %{shared:-lc} \
|
| 786 |
|
|
%{!shared: %{profile:-lc_p} %{!profile:-lc}}}"
|
| 787 |
|
|
|
| 788 |
|
|
#ifdef HAVE_LD_PIE
|
| 789 |
|
|
#define STARTFILE_LINUX_SPEC "\
|
| 790 |
|
|
%{!shared: %{pg|p|profile:gcrt1.o%s;pie:Scrt1.o%s;:crt1.o%s}} \
|
| 791 |
|
|
%{mnewlib:ecrti.o%s;:crti.o%s} \
|
| 792 |
|
|
%{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
|
| 793 |
|
|
#else
|
| 794 |
|
|
#define STARTFILE_LINUX_SPEC "\
|
| 795 |
|
|
%{!shared: %{pg|p|profile:gcrt1.o%s;:crt1.o%s}} \
|
| 796 |
|
|
%{mnewlib:ecrti.o%s;:crti.o%s} \
|
| 797 |
|
|
%{static:crtbeginT.o%s;shared|pie:crtbeginS.o%s;:crtbegin.o%s}"
|
| 798 |
|
|
#endif
|
| 799 |
|
|
|
| 800 |
|
|
#define ENDFILE_LINUX_SPEC "\
|
| 801 |
|
|
%{shared|pie:crtendS.o%s;:crtend.o%s} \
|
| 802 |
|
|
%{mnewlib:ecrtn.o%s;:crtn.o%s}"
|
| 803 |
|
|
|
| 804 |
|
|
#define LINK_START_LINUX_SPEC ""
|
| 805 |
|
|
|
| 806 |
|
|
#define GLIBC_DYNAMIC_LINKER "/lib/ld.so.1"
|
| 807 |
|
|
#define UCLIBC_DYNAMIC_LINKER "/lib/ld-uClibc.so.0"
|
| 808 |
|
|
#if DEFAULT_LIBC == LIBC_UCLIBC
|
| 809 |
|
|
#define CHOOSE_DYNAMIC_LINKER(G, U) "%{mglibc:" G ";:" U "}"
|
| 810 |
|
|
#elif !defined (DEFAULT_LIBC) || DEFAULT_LIBC == LIBC_GLIBC
|
| 811 |
|
|
#define CHOOSE_DYNAMIC_LINKER(G, U) "%{muclibc:" U ";:" G "}"
|
| 812 |
|
|
#else
|
| 813 |
|
|
#error "Unsupported DEFAULT_LIBC"
|
| 814 |
|
|
#endif
|
| 815 |
|
|
#define GNU_USER_DYNAMIC_LINKER \
|
| 816 |
|
|
CHOOSE_DYNAMIC_LINKER (GLIBC_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER)
|
| 817 |
|
|
|
| 818 |
|
|
#define LINK_OS_LINUX_SPEC "-m elf32ppclinux %{!shared: %{!static: \
|
| 819 |
|
|
%{rdynamic:-export-dynamic} \
|
| 820 |
|
|
-dynamic-linker " GNU_USER_DYNAMIC_LINKER "}}"
|
| 821 |
|
|
|
| 822 |
|
|
#if defined(HAVE_LD_EH_FRAME_HDR)
|
| 823 |
|
|
# define LINK_EH_SPEC "%{!static:--eh-frame-hdr} "
|
| 824 |
|
|
#endif
|
| 825 |
|
|
|
| 826 |
|
|
#define CPP_OS_LINUX_SPEC "-D__unix__ -D__gnu_linux__ -D__linux__ \
|
| 827 |
|
|
%{!undef: \
|
| 828 |
|
|
%{!ansi: \
|
| 829 |
|
|
%{!std=*:-Dunix -D__unix -Dlinux -D__linux} \
|
| 830 |
|
|
%{std=gnu*:-Dunix -D__unix -Dlinux -D__linux}}} \
|
| 831 |
|
|
-Asystem=linux -Asystem=unix -Asystem=posix %{pthread:-D_REENTRANT}"
|
| 832 |
|
|
|
| 833 |
|
|
/* NetBSD support. */
|
| 834 |
|
|
#define LIB_NETBSD_SPEC "\
|
| 835 |
|
|
-lc"
|
| 836 |
|
|
|
| 837 |
|
|
#define STARTFILE_NETBSD_SPEC "\
|
| 838 |
|
|
ncrti.o%s crt0.o%s \
|
| 839 |
|
|
%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
|
| 840 |
|
|
|
| 841 |
|
|
#define ENDFILE_NETBSD_SPEC "\
|
| 842 |
|
|
%{!shared:crtend.o%s} %{shared:crtendS.o%s} \
|
| 843 |
|
|
ncrtn.o%s"
|
| 844 |
|
|
|
| 845 |
|
|
#define LINK_START_NETBSD_SPEC "\
|
| 846 |
|
|
"
|
| 847 |
|
|
|
| 848 |
|
|
#define LINK_OS_NETBSD_SPEC "\
|
| 849 |
|
|
%{!shared: %{!static: \
|
| 850 |
|
|
%{rdynamic:-export-dynamic} \
|
| 851 |
|
|
-dynamic-linker /usr/libexec/ld.elf_so}}"
|
| 852 |
|
|
|
| 853 |
|
|
#define CPP_OS_NETBSD_SPEC "\
|
| 854 |
|
|
-D__powerpc__ -D__NetBSD__ -D__KPRINTF_ATTRIBUTE__"
|
| 855 |
|
|
|
| 856 |
|
|
/* OpenBSD support. */
|
| 857 |
|
|
#ifndef LIB_OPENBSD_SPEC
|
| 858 |
|
|
#define LIB_OPENBSD_SPEC "%{!shared:%{pthread:-lpthread%{p:_p}%{!p:%{pg:_p}}}} %{!shared:-lc%{p:_p}%{!p:%{pg:_p}}}"
|
| 859 |
|
|
#endif
|
| 860 |
|
|
|
| 861 |
|
|
#ifndef STARTFILE_OPENBSD_SPEC
|
| 862 |
|
|
#define STARTFILE_OPENBSD_SPEC "\
|
| 863 |
|
|
%{!shared: %{pg:gcrt0.o%s} %{!pg:%{p:gcrt0.o%s} %{!p:crt0.o%s}}} \
|
| 864 |
|
|
%{!shared:crtbegin.o%s} %{shared:crtbeginS.o%s}"
|
| 865 |
|
|
#endif
|
| 866 |
|
|
|
| 867 |
|
|
#ifndef ENDFILE_OPENBSD_SPEC
|
| 868 |
|
|
#define ENDFILE_OPENBSD_SPEC "\
|
| 869 |
|
|
%{!shared:crtend.o%s} %{shared:crtendS.o%s}"
|
| 870 |
|
|
#endif
|
| 871 |
|
|
|
| 872 |
|
|
#ifndef LINK_START_OPENBSD_SPEC
|
| 873 |
|
|
#define LINK_START_OPENBSD_SPEC "-Ttext 0x400074"
|
| 874 |
|
|
#endif
|
| 875 |
|
|
|
| 876 |
|
|
#ifndef LINK_OS_OPENBSD_SPEC
|
| 877 |
|
|
#define LINK_OS_OPENBSD_SPEC ""
|
| 878 |
|
|
#endif
|
| 879 |
|
|
|
| 880 |
|
|
#ifndef CPP_OS_OPENBSD_SPEC
|
| 881 |
|
|
#define CPP_OS_OPENBSD_SPEC "%{posix:-D_POSIX_SOURCE} %{pthread:-D_POSIX_THREADS}"
|
| 882 |
|
|
#endif
|
| 883 |
|
|
|
| 884 |
|
|
/* Define any extra SPECS that the compiler needs to generate. */
|
| 885 |
|
|
/* Override rs6000.h definition. */
|
| 886 |
|
|
#undef SUBTARGET_EXTRA_SPECS
|
| 887 |
|
|
#define SUBTARGET_EXTRA_SPECS \
|
| 888 |
|
|
{ "crtsavres_default", CRTSAVRES_DEFAULT_SPEC }, \
|
| 889 |
|
|
{ "lib_ads", LIB_ADS_SPEC }, \
|
| 890 |
|
|
{ "lib_yellowknife", LIB_YELLOWKNIFE_SPEC }, \
|
| 891 |
|
|
{ "lib_mvme", LIB_MVME_SPEC }, \
|
| 892 |
|
|
{ "lib_sim", LIB_SIM_SPEC }, \
|
| 893 |
|
|
{ "lib_freebsd", LIB_FREEBSD_SPEC }, \
|
| 894 |
|
|
{ "lib_linux", LIB_LINUX_SPEC }, \
|
| 895 |
|
|
{ "lib_netbsd", LIB_NETBSD_SPEC }, \
|
| 896 |
|
|
{ "lib_openbsd", LIB_OPENBSD_SPEC }, \
|
| 897 |
|
|
{ "lib_default", LIB_DEFAULT_SPEC }, \
|
| 898 |
|
|
{ "startfile_ads", STARTFILE_ADS_SPEC }, \
|
| 899 |
|
|
{ "startfile_yellowknife", STARTFILE_YELLOWKNIFE_SPEC }, \
|
| 900 |
|
|
{ "startfile_mvme", STARTFILE_MVME_SPEC }, \
|
| 901 |
|
|
{ "startfile_sim", STARTFILE_SIM_SPEC }, \
|
| 902 |
|
|
{ "startfile_freebsd", STARTFILE_FREEBSD_SPEC }, \
|
| 903 |
|
|
{ "startfile_linux", STARTFILE_LINUX_SPEC }, \
|
| 904 |
|
|
{ "startfile_netbsd", STARTFILE_NETBSD_SPEC }, \
|
| 905 |
|
|
{ "startfile_openbsd", STARTFILE_OPENBSD_SPEC }, \
|
| 906 |
|
|
{ "startfile_default", STARTFILE_DEFAULT_SPEC }, \
|
| 907 |
|
|
{ "endfile_ads", ENDFILE_ADS_SPEC }, \
|
| 908 |
|
|
{ "endfile_yellowknife", ENDFILE_YELLOWKNIFE_SPEC }, \
|
| 909 |
|
|
{ "endfile_mvme", ENDFILE_MVME_SPEC }, \
|
| 910 |
|
|
{ "endfile_sim", ENDFILE_SIM_SPEC }, \
|
| 911 |
|
|
{ "endfile_freebsd", ENDFILE_FREEBSD_SPEC }, \
|
| 912 |
|
|
{ "endfile_linux", ENDFILE_LINUX_SPEC }, \
|
| 913 |
|
|
{ "endfile_netbsd", ENDFILE_NETBSD_SPEC }, \
|
| 914 |
|
|
{ "endfile_openbsd", ENDFILE_OPENBSD_SPEC }, \
|
| 915 |
|
|
{ "endfile_default", ENDFILE_DEFAULT_SPEC }, \
|
| 916 |
|
|
{ "link_shlib", LINK_SHLIB_SPEC }, \
|
| 917 |
|
|
{ "link_target", LINK_TARGET_SPEC }, \
|
| 918 |
|
|
{ "link_start", LINK_START_SPEC }, \
|
| 919 |
|
|
{ "link_start_ads", LINK_START_ADS_SPEC }, \
|
| 920 |
|
|
{ "link_start_yellowknife", LINK_START_YELLOWKNIFE_SPEC }, \
|
| 921 |
|
|
{ "link_start_mvme", LINK_START_MVME_SPEC }, \
|
| 922 |
|
|
{ "link_start_sim", LINK_START_SIM_SPEC }, \
|
| 923 |
|
|
{ "link_start_freebsd", LINK_START_FREEBSD_SPEC }, \
|
| 924 |
|
|
{ "link_start_linux", LINK_START_LINUX_SPEC }, \
|
| 925 |
|
|
{ "link_start_netbsd", LINK_START_NETBSD_SPEC }, \
|
| 926 |
|
|
{ "link_start_openbsd", LINK_START_OPENBSD_SPEC }, \
|
| 927 |
|
|
{ "link_start_default", LINK_START_DEFAULT_SPEC }, \
|
| 928 |
|
|
{ "link_os", LINK_OS_SPEC }, \
|
| 929 |
|
|
{ "link_os_ads", LINK_OS_ADS_SPEC }, \
|
| 930 |
|
|
{ "link_os_yellowknife", LINK_OS_YELLOWKNIFE_SPEC }, \
|
| 931 |
|
|
{ "link_os_mvme", LINK_OS_MVME_SPEC }, \
|
| 932 |
|
|
{ "link_os_sim", LINK_OS_SIM_SPEC }, \
|
| 933 |
|
|
{ "link_os_freebsd", LINK_OS_FREEBSD_SPEC }, \
|
| 934 |
|
|
{ "link_os_linux", LINK_OS_LINUX_SPEC }, \
|
| 935 |
|
|
{ "link_os_netbsd", LINK_OS_NETBSD_SPEC }, \
|
| 936 |
|
|
{ "link_os_openbsd", LINK_OS_OPENBSD_SPEC }, \
|
| 937 |
|
|
{ "link_os_default", LINK_OS_DEFAULT_SPEC }, \
|
| 938 |
|
|
{ "cc1_endian_big", CC1_ENDIAN_BIG_SPEC }, \
|
| 939 |
|
|
{ "cc1_endian_little", CC1_ENDIAN_LITTLE_SPEC }, \
|
| 940 |
|
|
{ "cc1_endian_default", CC1_ENDIAN_DEFAULT_SPEC }, \
|
| 941 |
|
|
{ "cc1_secure_plt_default", CC1_SECURE_PLT_DEFAULT_SPEC }, \
|
| 942 |
|
|
{ "cpp_os_ads", CPP_OS_ADS_SPEC }, \
|
| 943 |
|
|
{ "cpp_os_yellowknife", CPP_OS_YELLOWKNIFE_SPEC }, \
|
| 944 |
|
|
{ "cpp_os_mvme", CPP_OS_MVME_SPEC }, \
|
| 945 |
|
|
{ "cpp_os_sim", CPP_OS_SIM_SPEC }, \
|
| 946 |
|
|
{ "cpp_os_freebsd", CPP_OS_FREEBSD_SPEC }, \
|
| 947 |
|
|
{ "cpp_os_linux", CPP_OS_LINUX_SPEC }, \
|
| 948 |
|
|
{ "cpp_os_netbsd", CPP_OS_NETBSD_SPEC }, \
|
| 949 |
|
|
{ "cpp_os_openbsd", CPP_OS_OPENBSD_SPEC }, \
|
| 950 |
|
|
{ "cpp_os_default", CPP_OS_DEFAULT_SPEC }, \
|
| 951 |
|
|
{ "fbsd_dynamic_linker", FBSD_DYNAMIC_LINKER }, \
|
| 952 |
|
|
SUBSUBTARGET_EXTRA_SPECS
|
| 953 |
|
|
|
| 954 |
|
|
#define SUBSUBTARGET_EXTRA_SPECS
|
| 955 |
|
|
|
| 956 |
|
|
/* Define this macro as a C expression for the initializer of an
|
| 957 |
|
|
array of string to tell the driver program which options are
|
| 958 |
|
|
defaults for this target and thus do not need to be handled
|
| 959 |
|
|
specially when using `MULTILIB_OPTIONS'.
|
| 960 |
|
|
|
| 961 |
|
|
Do not define this macro if `MULTILIB_OPTIONS' is not defined in
|
| 962 |
|
|
the target makefile fragment or if none of the options listed in
|
| 963 |
|
|
`MULTILIB_OPTIONS' are set by default. *Note Target Fragment::. */
|
| 964 |
|
|
|
| 965 |
|
|
#define MULTILIB_DEFAULTS { "mbig", "mcall-sysv" }
|
| 966 |
|
|
|
| 967 |
|
|
/* Define this macro if the code for function profiling should come
|
| 968 |
|
|
before the function prologue. Normally, the profiling code comes
|
| 969 |
|
|
after. */
|
| 970 |
|
|
#define PROFILE_BEFORE_PROLOGUE 1
|
| 971 |
|
|
|
| 972 |
|
|
/* Function name to call to do profiling. */
|
| 973 |
|
|
#define RS6000_MCOUNT "_mcount"
|
| 974 |
|
|
|
| 975 |
|
|
/* Select a format to encode pointers in exception handling data. CODE
|
| 976 |
|
|
is 0 for data, 1 for code labels, 2 for function pointers. GLOBAL is
|
| 977 |
|
|
true if the symbol may be affected by dynamic relocations. */
|
| 978 |
|
|
#define ASM_PREFERRED_EH_DATA_FORMAT(CODE,GLOBAL) \
|
| 979 |
|
|
((flag_pic || TARGET_RELOCATABLE) \
|
| 980 |
|
|
? (((GLOBAL) ? DW_EH_PE_indirect : 0) | DW_EH_PE_pcrel | DW_EH_PE_sdata4) \
|
| 981 |
|
|
: DW_EH_PE_absptr)
|
| 982 |
|
|
|
| 983 |
|
|
#define DOUBLE_INT_ASM_OP "\t.quad\t"
|
| 984 |
|
|
|
| 985 |
|
|
/* Generate entries in .fixup for relocatable addresses. */
|
| 986 |
|
|
#define RELOCATABLE_NEEDS_FIXUP 1
|
| 987 |
|
|
|
| 988 |
|
|
#define TARGET_ASM_FILE_END rs6000_elf_file_end
|
| 989 |
|
|
|
| 990 |
|
|
/* This target uses the sysv4.opt file. */
|
| 991 |
|
|
#define TARGET_USES_SYSV4_OPT 1
|
| 992 |
|
|
|
| 993 |
|
|
#undef DBX_REGISTER_NUMBER
|
