/* Definitions of target machine for GNU compiler, for ARM with PE obj format.
- Copyright (C) 1995, 1996, 1999, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1995, 1996, 1999, 2000, 2002, 2003, 2004, 2005, 2007
+ Free Software Foundation, Inc.
Contributed by Doug Evans (dje@cygnus.com).
-This file is part of GNU CC.
+ This file is part of GCC.
-GNU CC 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 2, or (at your option)
-any later version.
+ 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.
-GNU CC 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.
+ 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 GNU CC; see the file COPYING. If not, write to
-the Free Software Foundation, 59 Temple Place - Suite 330,
-Boston, MA 02111-1307, USA. */
+ 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/>. */
/* Enable PE specific code. */
#define ARM_PE 1
/* Get tree.c to declare a target-specific specialization of
merge_decl_attributes. */
-#define TARGET_DLLIMPORT_DECL_ATTRIBUTES
-
-/* Support the __declspec keyword by turning them into attributes.
- We currently only support: naked, dllimport, and dllexport.
- Note that the current way we do this may result in a collision with
- predefined attributes later on. This can be solved by using one attribute,
- say __declspec__, and passing args to it. The problem with that approach
- is that args are not accumulated: each new appearance would clobber any
- existing args. */
-#undef SUBTARGET_CPP_SPEC
-#define SUBTARGET_CPP_SPEC "-D__pe__ -D__declspec(x)=__attribute__((x))"
-
-
-/* Experimental addition for pr 7885.
- Ignore dllimport for functions. */
-#define TARGET_FLAG_NOP_FUN (1 << 24)
-
-#undef TARGET_NOP_FUN_DLLIMPORT
-#define TARGET_NOP_FUN_DLLIMPORT (target_flags & TARGET_FLAG_NOP_FUN)
+#define TARGET_DLLIMPORT_DECL_ATTRIBUTES 1
-#undef SUBTARGET_SWITCHES
-#define SUBTARGET_SWITCHES \
-{ "nop-fun-dllimport", TARGET_FLAG_NOP_FUN, \
- N_("Ignore dllimport attribute for functions") }, \
-{ "no-nop-fun-dllimport", - TARGET_FLAG_NOP_FUN, "" },
+#undef SUBTARGET_CPP_SPEC
+#define SUBTARGET_CPP_SPEC "-D__pe__"
#undef TARGET_DEFAULT
-#define TARGET_DEFAULT (ARM_FLAG_SOFT_FLOAT | TARGET_FLAG_NOP_FUN)
+#define TARGET_DEFAULT (MASK_NOP_FUN_DLLIMPORT)
+#undef MULTILIB_DEFAULTS
+#define MULTILIB_DEFAULTS \
+ { "marm", "mlittle-endian", "msoft-float", "mno-thumb-interwork" }
\f
#undef WCHAR_TYPE
#define WCHAR_TYPE "short unsigned int"
#undef WCHAR_TYPE_SIZE
#define WCHAR_TYPE_SIZE 16
-/* Same as arm.h except r10 is call-saved, not fixed. */
-#undef FIXED_REGISTERS
-#define FIXED_REGISTERS \
-{ \
- 0,0,0,0,0,0,0,0, \
- 0,0,0,1,0,1,0,1, \
- 0,0,0,0,0,0,0,0, \
- 1,1,1 \
-}
-
-/* Same as arm.h except r10 is call-saved, not fixed. */
-#undef CALL_USED_REGISTERS
-#define CALL_USED_REGISTERS \
-{ \
- 1,1,1,1,0,0,0,0, \
- 0,0,0,1,1,1,1,1, \
- 1,1,1,1,0,0,0,0, \
- 1,1,1 \
-}
+/* r11 is fixed. */
+#undef SUBTARGET_CONDITIONAL_REGISTER_USAGE
+#define SUBTARGET_CONDITIONAL_REGISTER_USAGE \
+ fixed_regs [11] = 1; \
+ call_used_regs [11] = 1;
+
\f
-/* In addition to the stuff done in arm.h, we must mark dll symbols specially.
- Definitions of dllexport'd objects install some info in the .drectve
- section. References to dllimport'd objects are fetched indirectly via
- __imp_. If both are declared, dllexport overrides.
- This is also needed to implement one-only vtables: they go into their own
- section and we need to set DECL_SECTION_NAME so we do that here.
- Note that we can be called twice on the same decl. */
-#undef ENCODE_SECTION_INFO
-#define ENCODE_SECTION_INFO(DECL) \
- arm_pe_encode_section_info (DECL)
-
-/* Used to implement dllexport overriding dllimport semantics. It's also used
- to handle vtables - the first pass won't do anything because
- DECL_CONTEXT (DECL) will be 0 so arm_dll{ex,im}port_p will return 0.
- It's also used to handle dllimport override semantics. */
-#define REDO_SECTION_INFO_P(DECL) 1
-
-/* Define this macro if in some cases global symbols from one translation
- unit may not be bound to undefined symbols in another translation unit
- without user intervention. For instance, under Microsoft Windows
- symbols must be explicitly imported from shared libraries (DLLs). */
-#define MULTIPLE_SYMBOL_SPACES
-
-#define UNIQUE_SECTION(DECL, RELOC) arm_pe_unique_section (DECL, RELOC)
+/* PE/COFF uses explicit import from shared libraries. */
+#define MULTIPLE_SYMBOL_SPACES 1
+
+#define TARGET_ASM_UNIQUE_SECTION arm_pe_unique_section
+#define TARGET_ASM_FUNCTION_RODATA_SECTION default_no_function_rodata_section
#define SUPPORTS_ONE_ONLY 1
/* Switch into a generic section. */
-#undef TARGET_ASM_NAMED_SECTION
+#undef TARGET_ASM_NAMED_SECTION
#define TARGET_ASM_NAMED_SECTION default_pe_asm_named_section
\f
-/* This outputs a lot of .req's to define alias for various registers.
- Let's try to avoid this. */
-#undef ASM_FILE_START
-#define ASM_FILE_START(STREAM) \
- do \
- { \
- asm_fprintf (STREAM, "%@ Generated by gcc %s for ARM/pe\n",\
- version_string); \
- output_file_directive ((STREAM), main_input_filename); \
- } \
- while (0)
+#define TARGET_ASM_FILE_START_FILE_DIRECTIVE true
/* Output a reference to a label. */
#undef ASM_OUTPUT_LABELREF
drectve_section (); \
fprintf (STREAM, "\t.ascii \" -export:%s\"\n", \
arm_strip_name_encoding (NAME)); \
- function_section (DECL); \
+ switch_to_section (function_section (DECL)); \
} \
ARM_DECLARE_FUNCTION_NAME (STREAM, NAME, DECL); \
if (TARGET_THUMB) \
fprintf ((STREAM), "\t.comm\t"); \
assemble_name ((STREAM), (NAME)); \
asm_fprintf ((STREAM), ", %d\t%@ %d\n", \
- (ROUNDED), (SIZE)); \
+ (int)(ROUNDED), (int)(SIZE)); \
} \
} \
while (0)
{ \
if (arm_dllexport_name_p (NAME)) \
{ \
- enum in_section save_section = in_section; \
+ section *save_section = in_section; \
drectve_section (); \
fprintf (STREAM, "\t.ascii \" -export:%s\"\n",\
arm_strip_name_encoding (NAME)); \
- switch_to_section (save_section, (DECL)); \
+ switch_to_section (save_section); \
} \
ASM_OUTPUT_LABEL ((STREAM), (NAME)); \
} \
#define DRECTVE_SECTION_ASM_OP "\t.section .drectve"
-/* A list of other sections which the compiler might be "in" at any
- given time. */
-
-#undef SUBTARGET_EXTRA_SECTIONS
-#define SUBTARGET_EXTRA_SECTIONS in_drectve,
-
-/* A list of extra section function definitions. */
-
-#undef SUBTARGET_EXTRA_SECTION_FUNCTIONS
-#define SUBTARGET_EXTRA_SECTION_FUNCTIONS \
- DRECTVE_SECTION_FUNCTION \
- SWITCH_TO_SECTION_FUNCTION
-
-#define DRECTVE_SECTION_FUNCTION \
-void \
-drectve_section () \
-{ \
- if (in_section != in_drectve) \
- { \
- fprintf (asm_out_file, "%s\n", DRECTVE_SECTION_ASM_OP); \
- in_section = in_drectve; \
- } \
-}
-
-/* Switch to SECTION (an `enum in_section').
-
- ??? This facility should be provided by GCC proper.
- The problem is that we want to temporarily switch sections in
- ASM_DECLARE_OBJECT_NAME and then switch back to the original section
- afterwards. */
-#define SWITCH_TO_SECTION_FUNCTION \
-static void switch_to_section PARAMS ((enum in_section, tree)); \
-static void \
-switch_to_section (section, decl) \
- enum in_section section; \
- tree decl; \
-{ \
- switch (section) \
- { \
- case in_text: text_section (); break; \
- case in_data: data_section (); break; \
- case in_named: named_section (decl, NULL, 0); break; \
- case in_rdata: rdata_section (); break; \
- case in_ctors: ctors_section (); break; \
- case in_dtors: dtors_section (); break; \
- case in_drectve: drectve_section (); break; \
- default: abort (); break; \
- } \
-}
+#define drectve_section() \
+ (fprintf (asm_out_file, "%s\n", DRECTVE_SECTION_ASM_OP), \
+ in_section = NULL)
projects / msp430-gcc.git / blobdiff