214 lines
7.3 KiB
C
214 lines
7.3 KiB
C
/* OSF/1 1.3 now is compitable with SVR4, so include sysv4.h, and
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put difference here.
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Copyright (C) 2000 Free Software Foundation, Inc. */
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#include <stdio.h>
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#undef TARGET_VERSION
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#define TARGET_VERSION fprintf (stderr, " (i386 OSF/1)");
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#define TARGET_OSF1ELF
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/* WORD_SWITCH_TAKES_ARG defined in svr4 is not correct. We also
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need an extra -soname */
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#undef WORD_SWITCH_TAKES_ARG
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#define WORD_SWITCH_TAKES_ARG(STR) \
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(DEFAULT_WORD_SWITCH_TAKES_ARG (STR) \
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|| !strcmp (STR, "Tdata") || !strcmp (STR, "Ttext") \
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|| !strcmp (STR, "Tbss") || !strcmp (STR, "soname"))
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/* Note, -fpic and -fPIC are equivalent */
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#undef CPP_SPEC
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#define CPP_SPEC "\
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%(cpp_cpu) \
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%{fpic: -D__SHARED__} %{fPIC: %{!fpic: -D__SHARED__}} \
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%{.S: %{!ansi:%{!traditional:%{!traditional-cpp:%{!ftraditional: -traditional}}}}} \
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%{.S: -D__LANGUAGE_ASSEMBLY %{!ansi:-DLANGUAGE_ASSEMBLY}} \
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%{.cc: -D__LANGUAGE_C_PLUS_PLUS} \
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%{.cxx: -D__LANGUAGE_C_PLUS_PLUS} \
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%{.C: -D__LANGUAGE_C_PLUS_PLUS} \
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%{.m: -D__LANGUAGE_OBJECTIVE_C} \
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%{!.S: -D__LANGUAGE_C %{!ansi:-DLANGUAGE_C}}"
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/* -mmcount or -mno-mcount should be used with -pg or -p */
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#undef CC1_SPEC
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#define CC1_SPEC "%(cc1_cpu) %{p: %{!mmcount: %{!mno-mcount: -mno-mcount }}} \
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%{!p: %{pg: %{!mmcount: %{!mno-mcount: -mno-mcount }}}}"
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/* Note, -D__NO_UNDERSCORES__ -D__ELF__ are provided in the older version of
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OSF/1 gcc. We keep them here, so that old /usr/include/i386/asm.h works.
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*/
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#undef CPP_PREDEFINES
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#define CPP_PREDEFINES \
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"-D__NO_UNDERSCORES__ -D__ELF__ -DOSF -DOSF1 -Dunix \
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-Asystem=unix -Asystem=xpg4 -Asystem=osf1"
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/* current OSF/1 doesn't provide separate crti.o and gcrti.o (and also, crtn.o
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and gcrtn.o) for profile. */
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#undef STARTFILE_SPEC
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#define STARTFILE_SPEC "%{!shared: \
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%{!symbolic: \
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%{pg:gcrt0.o%s}%{!pg:%{p:mcrt0.o%s}%{!p:crt0.o%s}}}}\
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crti.o%s \
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crtbegin.o%s"
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#undef ENDFILE_SPEC
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#define ENDFILE_SPEC "crtend.o%s crtn.o%s"
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#undef ASM_SPEC
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#define ASM_SPEC "%{v*: -v}"
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#undef LINK_SPEC
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#define LINK_SPEC "%{v*: -v} \
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%{h*} %{z*} \
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%{dy:-call_shared} %{dn:-static} \
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%{static:-static} \
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%{shared:-shared} \
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%{call_shared:-call_shared} \
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%{symbolic:-Bsymbolic -shared -call_shared} \
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%{!dy: %{!dn: %{!static: %{!shared: %{!symbolic: \
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%{noshrlib: -static } \
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%{!noshrlib: -call_shared}}}}}}"
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#undef MD_EXEC_PREFIX
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#define MD_EXEC_PREFIX "/usr/ccs/gcc/"
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#undef MD_STARTFILE_PREFIX
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#define MD_STARTFILE_PREFIX "/usr/ccs/lib/"
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/* Define this macro meaning that gcc should find the library 'libgcc.a'
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by hand, rather than passing the argument '-lgcc' to tell the linker
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to do the search */
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#define LINK_LIBGCC_SPECIAL
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/* This goes with LINK_LIBGCC_SPECIAL, we need tell libgcc.a differently */
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#undef LIBGCC_SPEC
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#define LIBGCC_SPEC "%{!shared:%{!symbolic:libgcc.a%s}}"
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/* Specify size_t, ptrdiff_t, and wchar_t types. */
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#undef SIZE_TYPE
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#undef PTRDIFF_TYPE
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#undef WCHAR_TYPE
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#undef WCHAR_TYPE_SIZE
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#define SIZE_TYPE "long unsigned int"
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#define PTRDIFF_TYPE "int"
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#define WCHAR_TYPE "unsigned int"
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#define WCHAR_TYPE_SIZE BITS_PER_WORD
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/* Turn off long double being 96 bits. */
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#undef LONG_DOUBLE_TYPE_SIZE
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#define LONG_DOUBLE_TYPE_SIZE 64
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/* Work with OSF/1 profile */
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#define MASK_NO_MCOUNT 000200000000 /* profiling uses mcount_ptr */
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#define TARGET_MCOUNT ((target_flags & MASK_NO_MCOUNT) == 0)
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#undef SUBTARGET_SWITCHES
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#define SUBTARGET_SWITCHES \
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{ "mcount", -MASK_NO_MCOUNT, \
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N_("Profiling uses mcount") }, \
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{ "no-mcount", MASK_NO_MCOUNT, "" },
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/* This macro generates the assembly code for function entry.
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FILE is a stdio stream to output the code to.
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SIZE is an int: how many units of temporary storage to allocate.
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Refer to the array `regs_ever_live' to determine which registers
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to save; `regs_ever_live[I]' is nonzero if register number I
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is ever used in the function. This macro is responsible for
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knowing which registers should not be saved even if used.
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We override it here to allow for the new profiling code to go before
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the prologue and the old mcount code to go after the prologue (and
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after %ebx has been set up for ELF shared library support). */
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#if 0
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#define OSF_PROFILE_BEFORE_PROLOGUE \
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(!TARGET_MCOUNT \
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&& !current_function_needs_context \
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&& (!flag_pic \
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|| !frame_pointer_needed \
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|| (!current_function_uses_pic_offset_table \
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&& !current_function_uses_const_pool)))
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#else
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#define OSF_PROFILE_BEFORE_PROLOGUE 0
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#endif
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/* A C statement or compound statement to output to FILE some assembler code to
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call the profiling subroutine `mcount'. Before calling, the assembler code
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must load the address of a counter variable into a register where `mcount'
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expects to find the address. The name of this variable is `LP' followed by
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the number LABELNO, so you would generate the name using `LP%d' in a
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`fprintf'.
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The details of how the address should be passed to `mcount' are determined
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by your operating system environment, not by GNU CC. To figure them out,
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compile a small program for profiling using the system's installed C
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compiler and look at the assembler code that results. */
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#undef FUNCTION_PROFILER
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#define FUNCTION_PROFILER(FILE, LABELNO) \
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do \
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{ \
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if (!OSF_PROFILE_BEFORE_PROLOGUE) \
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{ \
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const char *const prefix = ""; \
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const char *const lprefix = LPREFIX; \
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int labelno = LABELNO; \
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\
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/* Note that OSF/rose blew it in terms of calling mcount, \
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since OSF/rose prepends a leading underscore, but mcount's \
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doesn't. At present, we keep this kludge for ELF as well \
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to allow old kernels to build profiling. */ \
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\
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if (flag_pic \
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&& !current_function_uses_pic_offset_table \
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&& !current_function_uses_const_pool) \
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abort (); \
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\
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if (TARGET_MCOUNT && flag_pic) \
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{ \
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fprintf (FILE, "\tleal %sP%d@GOTOFF(%%ebx),%%edx\n", \
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lprefix, labelno); \
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fprintf (FILE, "\tcall *%smcount@GOT(%%ebx)\n", prefix); \
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} \
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\
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else if (TARGET_MCOUNT) \
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{ \
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fprintf (FILE, "\tmovl $%sP%d,%%edx\n", lprefix, labelno); \
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fprintf (FILE, "\tcall %smcount\n", prefix); \
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} \
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\
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else if (flag_pic && frame_pointer_needed) \
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{ \
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fprintf (FILE, "\tmovl 4(%%ebp),%%ecx\n"); \
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fprintf (FILE, "\tpushl %%ecx\n"); \
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fprintf (FILE, "\tleal %sP%d@GOTOFF(%%ebx),%%edx\n", \
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lprefix, labelno); \
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fprintf (FILE, "\tmovl _mcount_ptr@GOT(%%ebx),%%eax\n"); \
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fprintf (FILE, "\tcall *(%%eax)\n"); \
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fprintf (FILE, "\tpopl %%eax\n"); \
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} \
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\
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else if (frame_pointer_needed) \
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{ \
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fprintf (FILE, "\tmovl 4(%%ebp),%%ecx\n"); \
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fprintf (FILE, "\tpushl %%ecx\n"); \
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fprintf (FILE, "\tmovl $%sP%d,%%edx\n", lprefix, labelno); \
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fprintf (FILE, "\tcall *_mcount_ptr\n"); \
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fprintf (FILE, "\tpopl %%eax\n"); \
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} \
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\
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else \
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abort (); \
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} \
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} \
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while (0)
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#if defined (CROSS_COMPILE) && defined (HOST_BITS_PER_INT) && defined (HOST_BITS_PER_LONG) && defined (HOST_BITS_PER_LONGLONG)
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#if (HOST_BITS_PER_INT==32) && (HOST_BITS_PER_LONG==64) && (HOST_BITS_PER_LONGLONG==64)
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#define REAL_ARITHMETIC
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#endif
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#endif
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