#define MASK_ELF 0x10000000 /* ELF not rose */
#define MASK_NO_IDENT 0x08000000 /* suppress .ident */
#define MASK_NO_UNDERSCORES 0x04000000 /* suppress leading _ */
+#define MASK_LARGE_ALIGN 0x02000000 /* align to >word boundaries */
#define TARGET_HALF_PIC (target_flags & MASK_HALF_PIC)
#define TARGET_DEBUG (target_flags & MASK_HALF_PIC_DEBUG)
#define TARGET_ROSE ((target_flags & MASK_ELF) == 0)
#define TARGET_IDENT ((target_flags & MASK_NO_IDENT) == 0)
#define TARGET_UNDERSCORES ((target_flags & MASK_NO_UNDERSCORES) == 0)
+#define TARGET_LARGE_ALIGN (target_flags & MASK_LARGE_ALIGN)
#undef SUBTARGET_SWITCHES
#define SUBTARGET_SWITCHES \
{ "ident", -MASK_NO_IDENT}, \
{ "no-ident", MASK_NO_IDENT}, \
{ "underscores", -MASK_NO_UNDERSCORES}, \
- { "no-underscores", MASK_NO_UNDERSCORES},
+ { "no-underscores", MASK_NO_UNDERSCORES}, \
+ { "no-large-align",-MASK_LARGE_ALIGN}, \
+ { "large-align", MASK_LARGE_ALIGN},
/* OSF/rose uses stabs, not dwarf. */
#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG
#undef FUNCTION_PROFILER
#define FUNCTION_PROFILER(FILE, LABELNO) fprintf (FILE, "\tcall _mcount\n")
+/* A C statement or compound statement to output to FILE some
+ assembler code to initialize basic-block profiling for the current
+ object module. This code should call the subroutine
+ `__bb_init_func' once per object module, passing it as its sole
+ argument the address of a block allocated in the object module.
+
+ The name of the block is a local symbol made with this statement:
+
+ ASM_GENERATE_INTERNAL_LABEL (BUFFER, "LPBX", 0);
+
+ Of course, since you are writing the definition of
+ `ASM_GENERATE_INTERNAL_LABEL' as well as that of this macro, you
+ can take a short cut in the definition of this macro and use the
+ name that you know will result.
+
+ The first word of this block is a flag which will be nonzero if the
+ object module has already been initialized. So test this word
+ first, and do not call `__bb_init_func' if the flag is nonzero. */
+
+#undef FUNCTION_BLOCK_PROFILER
+#define FUNCTION_BLOCK_PROFILER(STREAM, LABELNO) \
+do \
+ { \
+ if (!flag_pic) \
+ { \
+ fprintf (STREAM, "\tcmpl $0,%sPBX0\n", LPREFIX); \
+ fprintf (STREAM, "\tjne 0f\n"); \
+ fprintf (STREAM, "\tpushl $%sPBX0\n", LPREFIX); \
+ fprintf (STREAM, "\tcall %s__bb_init_func\n", \
+ (TARGET_UNDERSCORES) ? "_" : ""); \
+ fprintf (STREAM, "0:\n"); \
+ } \
+ else \
+ { \
+ fprintf (STREAM, "\tpushl %eax\n"); \
+ fprintf (STREAM, "\tmovl %sPBX0@GOT(%ebx),%eax\n"); \
+ fprintf (STREAM, "\tcmpl $0,(%eax)\n"); \
+ fprintf (STREAM, "\tjne 0f\n"); \
+ fprintf (STREAM, "\tpushl %eax\n"); \
+ fprintf (STREAM, "\tcall %s__bb_init_func@PLT\n", \
+ (TARGET_UNDERSCORES) ? "_" : ""); \
+ fprintf (STREAM, "0:\n"); \
+ fprintf (STREAM, "\tpopl %eax\n"); \
+ } \
+ } \
+while (0)
+
+/* A C statement or compound statement to increment the count
+ associated with the basic block number BLOCKNO. Basic blocks are
+ numbered separately from zero within each compilation. The count
+ associated with block number BLOCKNO is at index BLOCKNO in a
+ vector of words; the name of this array is a local symbol made
+ with this statement:
+
+ ASM_GENERATE_INTERNAL_LABEL (BUFFER, "LPBX", 2);
+
+ Of course, since you are writing the definition of
+ `ASM_GENERATE_INTERNAL_LABEL' as well as that of this macro, you
+ can take a short cut in the definition of this macro and use the
+ name that you know will result. */
+
+#undef BLOCK_PROFILER
+#define BLOCK_PROFILER(STREAM, BLOCKNO) \
+do \
+ { \
+ if (!flag_pic) \
+ fprintf (STREAM, "\tincl %sPBX2+%d\n", LPREFIX, (BLOCKNO)*4); \
+ else \
+ { \
+ fprintf (STREAM, "\tpushl %eax\n"); \
+ fprintf (STREAM, "\tmovl %sPBX2@GOT(%ebx),%eax\n", LPREFIX); \
+ fprintf (STREAM, "\tincl %d(%eax)\n", (BLOCKNO)*4); \
+ fprintf (STREAM, "\tpopl %eax\n"); \
+ } \
+ } \
+while (0)
+
+/* A C function or functions which are needed in the library to
+ support block profiling. When support goes into libc, undo
+ the #if 0. */
+
+#if 0
+#undef BLOCK_PROFILING_CODE
+#define BLOCK_PROFILING_CODE
+#endif
+
/* Prefix for internally generated assembler labels. If we aren't using
underscores, we are using prefix `.'s to identify labels that should
be ignored, as in `i386/gas.h' --karl@cs.umb.edu */
#define ASM_OUTPUT_LABELREF(FILE,NAME) \
fprintf (FILE, "%s%s", (TARGET_UNDERSCORES) ? "_" : "", NAME)
+/* A C expression to output text to align the location counter in the
+ way that is desirable at a point in the code that is reached only
+ by jumping.
+
+ This macro need not be defined if you don't want any special
+ alignment to be done at such a time. Most machine descriptions do
+ not currently define the macro. */
+
+#undef ASM_OUTPUT_ALIGN_CODE
+#define ASM_OUTPUT_ALIGN_CODE(STREAM) \
+ fprintf (STREAM, "\t.align\t%d\n", \
+ (TARGET_486 && TARGET_LARGE_ALIGN) ? 4 : 2)
+
+/* A C expression to output text to align the location counter in the
+ way that is desirable at the beginning of a loop.
+
+ This macro need not be defined if you don't want any special
+ alignment to be done at such a time. Most machine descriptions do
+ not currently define the macro. */
+
+#undef ASM_OUTPUT_LOOP_ALIGN
+#define ASM_OUTPUT_LOOP_ALIGN(STREAM) \
+ fprintf (STREAM, "\t.align\t2\n")
+
+/* A C statement to output to the stdio stream STREAM an assembler
+ command to advance the location counter to a multiple of 2 to the
+ POWER bytes. POWER will be a C expression of type `int'. */
+
+#undef ASM_OUTPUT_ALIGN
+#define ASM_OUTPUT_ALIGN(STREAM, POWER) \
+ fprintf (STREAM, "\t.align\t%d\n", \
+ (!TARGET_LARGE_ALIGN && (POWER) > 2) ? 2 : (POWER))
+
/* A C expression that is 1 if the RTX X is a constant which is a
valid address. On most machines, this can be defined as
`CONSTANT_P (X)', but a few machines are more restrictive in
while (0)
+/* On most machines, read-only variables, constants, and jump tables
+ are placed in the text section. If this is not the case on your
+ machine, this macro should be defined to be the name of a function
+ (either `data_section' or a function defined in `EXTRA_SECTIONS')
+ that switches to the section to be used for read-only items.
+
+ If these items should be placed in the text section, this macro
+ should not be defined. */
+
+#if 0
+#undef READONLY_DATA_SECTION
+#define READONLY_DATA_SECTION() \
+do \
+ { \
+ if (TARGET_ELF) \
+ { \
+ if (in_section != in_rodata) \
+ { \
+ fprintf (asm_out_file, "\t.section \"rodata\"\n"); \
+ in_section = in_rodata; \
+ } \
+ } \
+ else \
+ text_section (); \
+ } \
+while (0)
+#endif
+
+/* A list of names for sections other than the standard two, which are
+ `in_text' and `in_data'. You need not define this macro on a
+ system with no other sections (that GCC needs to use). */
+
+#undef EXTRA_SECTIONS
+#define EXTRA_SECTIONS in_rodata, in_data1
+
/* Given a decl node or constant node, choose the section to output it in
and select that section. */
projects / thirdparty / gcc.git / commitdiff
