/* Override definitions in elfos.h/svr4.h to be correct for IA64. */
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/* Override definitions in elfos.h/svr4.h to be correct for IA64. */
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#undef TARGET_INIT_LIBFUNCS
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#undef TARGET_INIT_LIBFUNCS
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#define TARGET_INIT_LIBFUNCS ia64_sysv4_init_libfuncs
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#define TARGET_INIT_LIBFUNCS ia64_sysv4_init_libfuncs
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/* We want DWARF2 as specified by the IA64 ABI. */
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/* We want DWARF2 as specified by the IA64 ABI. */
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#undef PREFERRED_DEBUGGING_TYPE
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#undef PREFERRED_DEBUGGING_TYPE
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#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
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#define PREFERRED_DEBUGGING_TYPE DWARF2_DEBUG
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/* Stabs does not work properly for 64-bit targets. */
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/* Stabs does not work properly for 64-bit targets. */
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#undef DBX_DEBUGGING_INFO
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#undef DBX_DEBUGGING_INFO
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/* Various pseudo-ops for which the Intel assembler uses non-standard
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/* Various pseudo-ops for which the Intel assembler uses non-standard
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definitions. */
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definitions. */
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#undef STRING_ASM_OP
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#undef STRING_ASM_OP
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#define STRING_ASM_OP "\tstringz\t"
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#define STRING_ASM_OP "\tstringz\t"
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#undef SKIP_ASM_OP
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#undef SKIP_ASM_OP
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#define SKIP_ASM_OP "\t.skip\t"
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#define SKIP_ASM_OP "\t.skip\t"
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#undef COMMON_ASM_OP
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#undef COMMON_ASM_OP
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#define COMMON_ASM_OP "\t.common\t"
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#define COMMON_ASM_OP "\t.common\t"
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#undef ASCII_DATA_ASM_OP
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#undef ASCII_DATA_ASM_OP
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#define ASCII_DATA_ASM_OP "\tstring\t"
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#define ASCII_DATA_ASM_OP "\tstring\t"
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/* ia64-specific options for gas
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/* ia64-specific options for gas
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??? ia64 gas doesn't accept standard svr4 assembler options? */
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??? ia64 gas doesn't accept standard svr4 assembler options? */
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#undef ASM_SPEC
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#undef ASM_SPEC
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#define ASM_SPEC "-x %{mconstant-gp} %{mauto-pic} %(asm_extra)"
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#define ASM_SPEC "-x %{mconstant-gp} %{mauto-pic} %(asm_extra)"
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/* ??? Unfortunately, .lcomm doesn't work, because it puts things in either
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/* ??? Unfortunately, .lcomm doesn't work, because it puts things in either
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.bss or .sbss, and we can't control the decision of which is used. When
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.bss or .sbss, and we can't control the decision of which is used. When
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I use .lcomm, I get a cryptic "Section group has no member" error from
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I use .lcomm, I get a cryptic "Section group has no member" error from
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the Intel simulator. So we must explicitly put variables in .bss
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the Intel simulator. So we must explicitly put variables in .bss
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instead. This matters only if we care about the Intel assembler. */
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instead. This matters only if we care about the Intel assembler. */
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/* This is asm_output_aligned_bss from varasm.c without the
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/* This is asm_output_aligned_bss from varasm.c without the
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(*targetm.asm_out.globalize_label) call at the beginning. */
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(*targetm.asm_out.globalize_label) call at the beginning. */
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/* This is for final.c, because it is used by ASM_DECLARE_OBJECT_NAME. */
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/* This is for final.c, because it is used by ASM_DECLARE_OBJECT_NAME. */
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extern int size_directive_output;
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extern int size_directive_output;
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#undef ASM_OUTPUT_ALIGNED_LOCAL
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#undef ASM_OUTPUT_ALIGNED_LOCAL
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#define ASM_OUTPUT_ALIGNED_DECL_LOCAL(FILE, DECL, NAME, SIZE, ALIGN) \
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#define ASM_OUTPUT_ALIGNED_DECL_LOCAL(FILE, DECL, NAME, SIZE, ALIGN) \
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do { \
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do { \
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if ((DECL) && sdata_symbolic_operand (XEXP (DECL_RTL (DECL), 0), Pmode)) \
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if ((DECL) && sdata_symbolic_operand (XEXP (DECL_RTL (DECL), 0), Pmode)) \
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switch_to_section (sbss_section); \
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switch_to_section (sbss_section); \
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else \
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else \
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switch_to_section (bss_section); \
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switch_to_section (bss_section); \
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ASM_OUTPUT_ALIGN (FILE, floor_log2 ((ALIGN) / BITS_PER_UNIT)); \
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ASM_OUTPUT_ALIGN (FILE, floor_log2 ((ALIGN) / BITS_PER_UNIT)); \
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ASM_DECLARE_OBJECT_NAME (FILE, NAME, DECL); \
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ASM_DECLARE_OBJECT_NAME (FILE, NAME, DECL); \
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ASM_OUTPUT_SKIP (FILE, SIZE ? SIZE : 1); \
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ASM_OUTPUT_SKIP (FILE, SIZE ? SIZE : 1); \
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} while (0)
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} while (0)
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/* The # tells the Intel assembler that this is not a register name.
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/* The # tells the Intel assembler that this is not a register name.
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However, we can't emit the # in a label definition, so we set a variable
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However, we can't emit the # in a label definition, so we set a variable
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in ASM_OUTPUT_LABEL to control whether we want the postfix here or not.
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in ASM_OUTPUT_LABEL to control whether we want the postfix here or not.
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We append the # to the label name, but since NAME can be an expression
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We append the # to the label name, but since NAME can be an expression
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we have to scan it for a non-label character and insert the # there. */
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we have to scan it for a non-label character and insert the # there. */
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#undef ASM_OUTPUT_LABELREF
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#undef ASM_OUTPUT_LABELREF
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#define ASM_OUTPUT_LABELREF(STREAM, NAME) \
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#define ASM_OUTPUT_LABELREF(STREAM, NAME) \
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do { \
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do { \
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const char *name_ = NAME; \
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const char *name_ = NAME; \
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if (*name_ == '*') \
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if (*name_ == '*') \
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name_++; \
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name_++; \
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else \
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else \
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fputs (user_label_prefix, STREAM); \
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fputs (user_label_prefix, STREAM); \
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fputs (name_, STREAM); \
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fputs (name_, STREAM); \
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if (!ia64_asm_output_label) \
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if (!ia64_asm_output_label) \
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fputc ('#', STREAM); \
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fputc ('#', STREAM); \
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} while (0)
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} while (0)
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/* Intel assembler requires both flags and type if declaring a non-predefined
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/* Intel assembler requires both flags and type if declaring a non-predefined
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section. */
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section. */
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#undef INIT_SECTION_ASM_OP
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#undef INIT_SECTION_ASM_OP
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#define INIT_SECTION_ASM_OP "\t.section\t.init,\"ax\",\"progbits\""
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#define INIT_SECTION_ASM_OP "\t.section\t.init,\"ax\",\"progbits\""
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#undef FINI_SECTION_ASM_OP
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#undef FINI_SECTION_ASM_OP
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#define FINI_SECTION_ASM_OP "\t.section\t.fini,\"ax\",\"progbits\""
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#define FINI_SECTION_ASM_OP "\t.section\t.fini,\"ax\",\"progbits\""
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/* svr4.h undefines this, so we need to define it here. */
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/* svr4.h undefines this, so we need to define it here. */
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#define DBX_REGISTER_NUMBER(REGNO) \
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#define DBX_REGISTER_NUMBER(REGNO) \
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ia64_dbx_register_number(REGNO)
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ia64_dbx_register_number(REGNO)
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/* Things that svr4.h defines to the wrong type, because it assumes 32 bit
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/* Things that svr4.h defines to the wrong type, because it assumes 32 bit
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ints and 32 bit longs. */
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ints and 32 bit longs. */
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#undef SIZE_TYPE
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#undef SIZE_TYPE
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#define SIZE_TYPE "long unsigned int"
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#define SIZE_TYPE "long unsigned int"
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#undef PTRDIFF_TYPE
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#undef PTRDIFF_TYPE
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#define PTRDIFF_TYPE "long int"
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#define PTRDIFF_TYPE "long int"
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#undef WCHAR_TYPE
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#undef WCHAR_TYPE
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#define WCHAR_TYPE "int"
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#define WCHAR_TYPE "int"
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#undef WCHAR_TYPE_SIZE
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#undef WCHAR_TYPE_SIZE
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#define WCHAR_TYPE_SIZE 32
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#define WCHAR_TYPE_SIZE 32
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/* We redefine this to use the ia64 .proc pseudo-op. */
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/* We redefine this to use the ia64 .proc pseudo-op. */
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#undef ASM_DECLARE_FUNCTION_NAME
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#undef ASM_DECLARE_FUNCTION_NAME
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#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
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#define ASM_DECLARE_FUNCTION_NAME(FILE, NAME, DECL) \
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do { \
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do { \
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fputs ("\t.proc ", FILE); \
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fputs ("\t.proc ", FILE); \
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assemble_name (FILE, NAME); \
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assemble_name (FILE, NAME); \
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fputc ('\n', FILE); \
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fputc ('\n', FILE); \
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ASM_OUTPUT_LABEL (FILE, NAME); \
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ASM_OUTPUT_LABEL (FILE, NAME); \
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} while (0)
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} while (0)
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/* We redefine this to use the ia64 .endp pseudo-op. */
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/* We redefine this to use the ia64 .endp pseudo-op. */
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#undef ASM_DECLARE_FUNCTION_SIZE
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#undef ASM_DECLARE_FUNCTION_SIZE
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#define ASM_DECLARE_FUNCTION_SIZE(FILE, NAME, DECL) \
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#define ASM_DECLARE_FUNCTION_SIZE(FILE, NAME, DECL) \
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do { \
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do { \
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fputs ("\t.endp ", FILE); \
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fputs ("\t.endp ", FILE); \
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assemble_name (FILE, NAME); \
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assemble_name (FILE, NAME); \
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fputc ('\n', FILE); \
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fputc ('\n', FILE); \
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} while (0)
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} while (0)
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/* Override default elf definition. */
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/* Override default elf definition. */
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#undef TARGET_ASM_RELOC_RW_MASK
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#undef TARGET_ASM_RELOC_RW_MASK
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#define TARGET_ASM_RELOC_RW_MASK ia64_reloc_rw_mask
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#define TARGET_ASM_RELOC_RW_MASK ia64_reloc_rw_mask
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#undef TARGET_ASM_SELECT_RTX_SECTION
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#undef TARGET_ASM_SELECT_RTX_SECTION
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#define TARGET_ASM_SELECT_RTX_SECTION ia64_select_rtx_section
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#define TARGET_ASM_SELECT_RTX_SECTION ia64_select_rtx_section
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#define SDATA_SECTION_ASM_OP "\t.sdata"
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#define SDATA_SECTION_ASM_OP "\t.sdata"
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#define SBSS_SECTION_ASM_OP "\t.sbss"
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#define SBSS_SECTION_ASM_OP "\t.sbss"
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