Move block profile support to i386.h
From-SVN: r8312
This commit is contained in:
Michael Meissner
parent
9f8b85b872
commit
1cf5eda8f8
@ -223,83 +223,6 @@ do { \
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#define LINK_SPEC \
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#define LINK_SPEC \
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"%{!nostdlib:%{!r*:%{!e*:-e start}}} -dc -dp %{static:-Bstatic} %{assert*}"
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"%{!nostdlib:%{!r*:%{!e*:-e start}}} -dc -dp %{static:-Bstatic} %{assert*}"
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/* This section copied from i386/osfrose.h */
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/* A C statement or compound statement to output to FILE some
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assembler code to initialize basic-block profiling for the current
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object module. This code should call the subroutine
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`__bb_init_func' once per object module, passing it as its sole
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argument the address of a block allocated in the object module.
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The name of the block is a local symbol made with this statement:
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ASM_GENERATE_INTERNAL_LABEL (BUFFER, "LPBX", 0);
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Of course, since you are writing the definition of
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`ASM_GENERATE_INTERNAL_LABEL' as well as that of this macro, you
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can take a short cut in the definition of this macro and use the
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name that you know will result.
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The first word of this block is a flag which will be nonzero if the
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object module has already been initialized. So test this word
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first, and do not call `__bb_init_func' if the flag is nonzero. */
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#undef FUNCTION_BLOCK_PROFILER
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#define FUNCTION_BLOCK_PROFILER(STREAM, LABELNO) \
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do \
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{ \
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if (!flag_pic) \
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{ \
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fprintf (STREAM, "\tcmpl $0,%sPBX0\n", LPREFIX); \
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fprintf (STREAM, "\tjne 0f\n"); \
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fprintf (STREAM, "\tpushl $%sPBX0\n", LPREFIX); \
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fprintf (STREAM, "\tcall ___bb_init_func\n"); \
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fprintf (STREAM, "0:\n"); \
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} \
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else \
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{ \
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fprintf (STREAM, "\tpushl %eax\n"); \
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fprintf (STREAM, "\tmovl %sPBX0@GOT(%ebx),%eax\n"); \
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fprintf (STREAM, "\tcmpl $0,(%eax)\n"); \
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fprintf (STREAM, "\tjne 0f\n"); \
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fprintf (STREAM, "\tpushl %eax\n"); \
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fprintf (STREAM, "\tcall ___bb_init_func@PLT\n"); \
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fprintf (STREAM, "0:\n"); \
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fprintf (STREAM, "\tpopl %eax\n"); \
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} \
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} \
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while (0)
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/* A C statement or compound statement to increment the count
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associated with the basic block number BLOCKNO. Basic blocks are
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numbered separately from zero within each compilation. The count
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associated with block number BLOCKNO is at index BLOCKNO in a
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vector of words; the name of this array is a local symbol made
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with this statement:
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ASM_GENERATE_INTERNAL_LABEL (BUFFER, "LPBX", 2);
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Of course, since you are writing the definition of
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`ASM_GENERATE_INTERNAL_LABEL' as well as that of this macro, you
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can take a short cut in the definition of this macro and use the
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name that you know will result. */
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#undef BLOCK_PROFILER
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#define BLOCK_PROFILER(STREAM, BLOCKNO) \
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do \
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{ \
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if (!flag_pic) \
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fprintf (STREAM, "\tincl %sPBX2+%d\n", LPREFIX, (BLOCKNO)*4); \
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else \
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{ \
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fprintf (STREAM, "\tpushl %eax\n"); \
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fprintf (STREAM, "\tmovl %sPBX2@GOT(%ebx),%eax\n", LPREFIX); \
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fprintf (STREAM, "\tincl %d(%eax)\n", (BLOCKNO)*4); \
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fprintf (STREAM, "\tpopl %eax\n"); \
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} \
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} \
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while (0)
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/* This is defined when gcc is compiled in the BSD-directory-tree, and must
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/* This is defined when gcc is compiled in the BSD-directory-tree, and must
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* make up for the gap to all the stuff done in the GNU-makefiles.
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* make up for the gap to all the stuff done in the GNU-makefiles.
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*/
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*/
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@ -889,6 +889,98 @@ enum reg_class
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} \
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} \
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}
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}
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/* A C statement or compound statement to output to FILE some
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assembler code to initialize basic-block profiling for the current
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object module. This code should call the subroutine
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`__bb_init_func' once per object module, passing it as its sole
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argument the address of a block allocated in the object module.
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The name of the block is a local symbol made with this statement:
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ASM_GENERATE_INTERNAL_LABEL (BUFFER, "LPBX", 0);
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Of course, since you are writing the definition of
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`ASM_GENERATE_INTERNAL_LABEL' as well as that of this macro, you
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can take a short cut in the definition of this macro and use the
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name that you know will result.
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The first word of this block is a flag which will be nonzero if the
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object module has already been initialized. So test this word
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first, and do not call `__bb_init_func' if the flag is nonzero. */
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#undef FUNCTION_BLOCK_PROFILER
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#define FUNCTION_BLOCK_PROFILER(STREAM, LABELNO) \
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do \
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{ \
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static int num_func = 0; \
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rtx xops[9]; \
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char block_table[80], false_label[80]; \
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\
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ASM_GENERATE_INTERNAL_LABEL (block_table, "LPBX", 0); \
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ASM_GENERATE_INTERNAL_LABEL (false_label, "LPBZ", num_func); \
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\
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xops[0] = const0_rtx; \
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xops[1] = gen_rtx (SYMBOL_REF, VOIDmode, block_table); \
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xops[2] = gen_rtx (MEM, Pmode, gen_rtx (SYMBOL_REF, VOIDmode, false_label)); \
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xops[3] = gen_rtx (MEM, Pmode, gen_rtx (SYMBOL_REF, VOIDmode, "__bb_init_func")); \
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xops[4] = gen_rtx (MEM, Pmode, xops[1]); \
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xops[5] = stack_pointer_rtx; \
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xops[6] = GEN_INT (4); \
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xops[7] = gen_rtx (REG, Pmode, 0); /* eax */ \
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xops[8] = gen_rtx (MEM, SImode, stack_pointer_rtx); \
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\
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CONSTANT_POOL_ADDRESS_P (xops[1]) = TRUE; \
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CONSTANT_POOL_ADDRESS_P (xops[2]) = TRUE; \
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\
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output_asm_insn (AS2(cmp%L4,%0,%4), xops); \
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output_asm_insn (AS1(jne,%2), xops); \
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\
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if (!flag_pic) \
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output_asm_insn (AS1(push%L1,%1), xops); \
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else \
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{ \
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output_asm_insn (AS1 (push%L7,%7), xops); \
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output_asm_insn (AS2 (lea%L7,%a1,%7), xops); \
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output_asm_insn (AS2 (xchg%L7,%8,%7), xops); \
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} \
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\
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output_asm_insn (AS1(call,%P3), xops); \
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output_asm_insn (AS2(add%L0,%6,%5), xops); \
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ASM_OUTPUT_INTERNAL_LABEL (STREAM, "LPBZ", num_func); \
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num_func++; \
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} \
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while (0)
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/* A C statement or compound statement to increment the count
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associated with the basic block number BLOCKNO. Basic blocks are
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numbered separately from zero within each compilation. The count
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associated with block number BLOCKNO is at index BLOCKNO in a
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vector of words; the name of this array is a local symbol made
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with this statement:
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ASM_GENERATE_INTERNAL_LABEL (BUFFER, "LPBX", 2);
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Of course, since you are writing the definition of
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`ASM_GENERATE_INTERNAL_LABEL' as well as that of this macro, you
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can take a short cut in the definition of this macro and use the
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name that you know will result. */
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#define BLOCK_PROFILER(STREAM, BLOCKNO) \
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do \
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{ \
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rtx xops[1], cnt_rtx; \
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char counts[80]; \
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\
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ASM_GENERATE_INTERNAL_LABEL (counts, "LPBX", 2); \
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cnt_rtx = gen_rtx (SYMBOL_REF, VOIDmode, counts); \
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CONSTANT_POOL_ADDRESS_P (cnt_rtx) = TRUE; \
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\
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xops[0] = gen_rtx (MEM, SImode, plus_constant (cnt_rtx, (BLOCKNO)*4)); \
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output_asm_insn (AS1(inc%L0,%0), xops); \
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} \
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while (0)
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/* EXIT_IGNORE_STACK should be nonzero if, when returning from a function,
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/* EXIT_IGNORE_STACK should be nonzero if, when returning from a function,
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the stack pointer does not matter. The value is tested only in
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the stack pointer does not matter. The value is tested only in
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functions that have frame pointers.
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functions that have frame pointers.
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@ -341,83 +341,6 @@ do \
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} \
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} \
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while (0)
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while (0)
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/* A C statement or compound statement to output to FILE some
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assembler code to initialize basic-block profiling for the current
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object module. This code should call the subroutine
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`__bb_init_func' once per object module, passing it as its sole
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argument the address of a block allocated in the object module.
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The name of the block is a local symbol made with this statement:
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ASM_GENERATE_INTERNAL_LABEL (BUFFER, "LPBX", 0);
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Of course, since you are writing the definition of
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`ASM_GENERATE_INTERNAL_LABEL' as well as that of this macro, you
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can take a short cut in the definition of this macro and use the
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name that you know will result.
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The first word of this block is a flag which will be nonzero if the
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object module has already been initialized. So test this word
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first, and do not call `__bb_init_func' if the flag is nonzero. */
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#undef FUNCTION_BLOCK_PROFILER
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#define FUNCTION_BLOCK_PROFILER(STREAM, LABELNO) \
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do \
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{ \
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if (!flag_pic) \
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{ \
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fprintf (STREAM, "\tcmpl $0,%sPBX0\n", LPREFIX); \
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fprintf (STREAM, "\tjne 0f\n"); \
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fprintf (STREAM, "\tpushl $%sPBX0\n", LPREFIX); \
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fprintf (STREAM, "\tcall %s__bb_init_func\n", \
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(TARGET_UNDERSCORES) ? "_" : ""); \
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fprintf (STREAM, "0:\n"); \
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} \
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else \
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{ \
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fprintf (STREAM, "\tpushl %eax\n"); \
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fprintf (STREAM, "\tmovl %sPBX0@GOT(%ebx),%eax\n"); \
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fprintf (STREAM, "\tcmpl $0,(%eax)\n"); \
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fprintf (STREAM, "\tjne 0f\n"); \
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fprintf (STREAM, "\tpushl %eax\n"); \
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fprintf (STREAM, "\tcall %s__bb_init_func@PLT\n", \
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(TARGET_UNDERSCORES) ? "_" : ""); \
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fprintf (STREAM, "0:\n"); \
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fprintf (STREAM, "\tpopl %eax\n"); \
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} \
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} \
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while (0)
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/* A C statement or compound statement to increment the count
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associated with the basic block number BLOCKNO. Basic blocks are
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numbered separately from zero within each compilation. The count
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associated with block number BLOCKNO is at index BLOCKNO in a
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vector of words; the name of this array is a local symbol made
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with this statement:
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ASM_GENERATE_INTERNAL_LABEL (BUFFER, "LPBX", 2);
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Of course, since you are writing the definition of
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`ASM_GENERATE_INTERNAL_LABEL' as well as that of this macro, you
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can take a short cut in the definition of this macro and use the
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name that you know will result. */
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#undef BLOCK_PROFILER
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#define BLOCK_PROFILER(STREAM, BLOCKNO) \
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do \
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{ \
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if (!flag_pic) \
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fprintf (STREAM, "\tincl %sPBX2+%d\n", LPREFIX, (BLOCKNO)*4); \
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else \
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{ \
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fprintf (STREAM, "\tpushl %eax\n"); \
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fprintf (STREAM, "\tmovl %sPBX2@GOT(%ebx),%eax\n", LPREFIX); \
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fprintf (STREAM, "\tincl %d(%eax)\n", (BLOCKNO)*4); \
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fprintf (STREAM, "\tpopl %eax\n"); \
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} \
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} \
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while (0)
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/* A C function or functions which are needed in the library to
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/* A C function or functions which are needed in the library to
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support block profiling. When support goes into libc, undo
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support block profiling. When support goes into libc, undo
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the #if 0. */
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the #if 0. */
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Block a user