/* Configuration for an OpenBSD i386 target.
- Copyright (C) 2005, 2007, 2009, 2010 Free Software Foundation, Inc.
+ Copyright (C) 2005-2013 Free Software Foundation, Inc.
This file is part of GCC.
along with GCC; see the file COPYING3. If not see
<http://www.gnu.org/licenses/>. */
-/* This keeps us from using libraries compiled with the native cc, so
- undef it. */
-#undef NO_DOLLAR_IN_LABEL
-
-/* Override the default comment-starter of "/". */
-#undef ASM_COMMENT_START
-#define ASM_COMMENT_START "#"
-
-#undef DBX_REGISTER_NUMBER
-#define DBX_REGISTER_NUMBER(n) svr4_dbx_register_map[n]
-
-/* This goes away when the math-emulator is fixed */
-#undef TARGET_DEFAULT
-#define TARGET_DEFAULT \
- (MASK_80387 | MASK_IEEE_FP | MASK_FLOAT_RETURNS | MASK_NO_FANCY_MATH_387)
-
-/* Run-time target specifications */
-
#define TARGET_OS_CPP_BUILTINS() \
do \
{ \
} \
while (0)
-/* As an elf system, we need crtbegin/crtend stuff. */
-#undef STARTFILE_SPEC
-#define STARTFILE_SPEC "\
- %{!shared: %{pg:gcrt0%O%s} %{!pg:%{p:gcrt0%O%s} %{!p:crt0%O%s}} \
- crtbegin%O%s} %{shared:crtbeginS%O%s}"
-#undef ENDFILE_SPEC
-#define ENDFILE_SPEC "%{!shared:crtend%O%s} %{shared:crtendS%O%s}"
-
-/* Layout of source language data types. */
+#undef DBX_REGISTER_NUMBER
+#define DBX_REGISTER_NUMBER(n) \
+ (TARGET_64BIT ? dbx64_register_map[n] : svr4_dbx_register_map[n])
-/* This must agree with <machine/ansi.h> */
+/* This must agree with <machine/_types.h>. */
#undef SIZE_TYPE
#define SIZE_TYPE "long unsigned int"
#define WCHAR_TYPE "int"
#undef WCHAR_TYPE_SIZE
-#define WCHAR_TYPE_SIZE BITS_PER_WORD
+#define WCHAR_TYPE_SIZE 32
#undef WINT_TYPE
#define WINT_TYPE "int"
-/* Assembler format: overall framework. */
+/* Don't default to pcc-struct-return, because gcc is the only compiler, and
+ we want to retain compatibility with older gcc versions. */
+
+#undef DEFAULT_PCC_STRUCT_RETURN
+#define DEFAULT_PCC_STRUCT_RETURN 0
+
+/* Override the default comment-starter of "/". */
+#undef ASM_COMMENT_START
+#define ASM_COMMENT_START "#"
#undef ASM_APP_ON
#define ASM_APP_ON "#APP\n"
#undef ASM_APP_OFF
#define ASM_APP_OFF "#NO_APP\n"
-#undef SET_ASM_OP
-#define SET_ASM_OP "\t.set\t"
+/* A C statement to output to the stdio stream FILE an assembler
+ command to advance the location counter to a multiple of 1<<LOG
+ bytes if it is within MAX_SKIP bytes.
-/* The following macros were originally stolen from i386v4.h.
- These have to be defined to get PIC code correct. */
-
-/* Assembler format: dispatch tables. */
-
-/* Assembler format: sections. */
-
-/* Stack & calling: aggregate returns. */
-
-/* Don't default to pcc-struct-return, because gcc is the only compiler, and
- we want to retain compatibility with older gcc versions. */
-#define DEFAULT_PCC_STRUCT_RETURN 0
-
-/* Assembler format: alignment output. */
+ This is used to align code labels according to Intel recommendations. */
#ifdef HAVE_GAS_MAX_SKIP_P2ALIGN
-#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
- if ((LOG) != 0) {\
- if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
- else fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
- }
+#define ASM_OUTPUT_MAX_SKIP_ALIGN(FILE,LOG,MAX_SKIP) \
+ do { \
+ if ((LOG) != 0) { \
+ if ((MAX_SKIP) == 0) fprintf ((FILE), "\t.p2align %d\n", (LOG)); \
+ else { \
+ fprintf ((FILE), "\t.p2align %d,,%d\n", (LOG), (MAX_SKIP)); \
+ /* Make sure that we have at least 8 byte alignment if > 8 byte \
+ alignment is preferred. */ \
+ if ((LOG) > 3 \
+ && (1 << (LOG)) > ((MAX_SKIP) + 1) \
+ && (MAX_SKIP) >= 7) \
+ fputs ("\t.p2align 3\n", (FILE)); \
+ } \
+ } \
+ } while (0)
#endif
-/* Stack & calling: profiling. */
-
/* OpenBSD's profiler recovers all information from the stack pointer.
- The icky part is not here, but in machine/profile.h. */
+ The icky part is not here, but in <machine/profile.h>. */
#undef FUNCTION_PROFILER
#define FUNCTION_PROFILER(FILE, LABELNO) \
fputs (flag_pic ? "\tcall __mcount@PLT\n": "\tcall __mcount\n", FILE);
-/* Assembler format: exception region output. */
-
-/* our configuration still doesn't handle dwarf2 correctly */
-#define DWARF2_UNWIND_INFO 0
-
-/* Assembler format: alignment output. */
-
-/* Note that we pick up ASM_OUTPUT_MAX_SKIP_ALIGN from i386/gas.h */
-
-/* Note that we pick up ASM_OUTPUT_MI_THUNK from unix.h. */
-
#undef LINK_SPEC
#define LINK_SPEC \
"%{!shared:%{!nostdlib:%{!r:%{!e*:-e __start}}}} \
%{assert*} \
-dynamic-linker /usr/libexec/ld.so"
+#undef STARTFILE_SPEC
+#define STARTFILE_SPEC "\
+ %{!shared: %{pg:gcrt0%O%s} %{!pg:%{p:gcrt0%O%s} %{!p:crt0%O%s}} \
+ crtbegin%O%s} %{shared:crtbeginS%O%s}"
+
+#undef ENDFILE_SPEC
+#define ENDFILE_SPEC "%{!shared:crtend%O%s} %{shared:crtendS%O%s}"
+
#define OBSD_HAS_CORRECT_SPECS
+
+#define HAVE_ENABLE_EXECUTE_STACK
+
+/* Put all *tf routines in libgcc. */
+#undef LIBGCC2_HAS_TF_MODE
+#define LIBGCC2_HAS_TF_MODE 1
+#define LIBGCC2_TF_CEXT q
+#define TF_SIZE 113
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