--- gcc/config/spc-sol2.h 2018/04/24 17:58:50 1.1.1.1 +++ gcc/config/spc-sol2.h 2018/04/24 18:04:14 1.1.1.2 @@ -1,7 +1,7 @@ -/* Target definitions for GNU compiler for Sparc running Solaris 2.x - Copyright (C) 1992 Free Software Foundation, Inc. - - Written by Ron Guilmette (rfg@ncd.com). +/* Definitions of target machine for GNU compiler, for SPARC running Solaris 2 + Copyright 1992 Free Software Foundation, Inc. + Contributed by Ron Guilmette (rfg@ncd.com) and + David V. Henkel-Wallace (gumby@cygnus.com). This file is part of GNU CC. @@ -19,17 +19,191 @@ You should have received a copy of the G along with GNU CC; see the file COPYING. If not, write to the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ -/* This is basically just a Sparc running svr4. */ - +/* Supposedly the same as vanilla sparc svr4, except for the stuff below: */ #include "sparcv4.h" -/* Solaris 2.x on a Sparc uses BSD stabs, not DWARF. */ +#undef CPP_PREDEFINES +#define CPP_PREDEFINES \ + "-Dsun -Dsparc -Dunix -D__svr4__ -Asystem(unix) -Acpu(sparc) -Amachine(sparc)" + +/* The sun bundled assembler doesn't accept -Yd, (and neither does gas). + It's safe to pass -s always, even if -g is not used. */ +#undef ASM_SPEC +#define ASM_SPEC \ + "%{V} %{v:%{!V:-V}} %{Qy:} %{!Qn:-Qy} %{n} %{T} %{Ym,*} %{Wa,*:%*} -s \ + %{fpic:-K PIC} %{fPIC:-K PIC}" + +/* However it appears that Solaris 2.0 uses the same reg numbering as + the old BSD-style system did. */ + +#undef DBX_REGISTER_NUMBER +/* Same as sparc.h */ +#define DBX_REGISTER_NUMBER(REGNO) (REGNO) -#undef DWARF_DEBUGGING_INFO +/* We use stabs-in-elf for debugging, because that is what the native + toolchain uses. */ #define DBX_DEBUGGING_INFO +#define PREFERRED_DEBUGGING_TYPE DBX_DEBUG + +#define DBX_BLOCKS_FUNCTION_RELATIVE 1 + +/* "gcc2_compiled." must be a .stabs, not an ordinary symbol, or GDB won't + see it. Furthermore, since GDB reads the input piecemeal, starting + with each N_SO, it's a lot easier if the gcc2 flag symbol is *after* + the N_SO rather than before it. So we emit an N_OPT stab here. */ + +#define ASM_IDENTIFY_GCC(FILE) /* Do nothing */ + +#define ASM_IDENTIFY_GCC_AFTER_SOURCE(FILE) \ + fputs ("\t.stabs\t\"gcc2_compiled.\", 0x3c, 0, 0, 0\n", FILE) + +#undef CTORS_SECTION_ASM_OP +#undef DTORS_SECTION_ASM_OP + +#if 0 /* These seems unnecessary; the ones in sparcv4.h look right. */ +#undef TEXT_SECTION_ASM_OP +#undef DATA_SECTION_ASM_OP +#undef BSS_SECTION_ASM_OP +#undef CONST_SECTION_ASM_OP +#undef INIT_SECTION_ASM_OP + +#define TEXT_SECTION_ASM_OP "\t.section\t\".text\"" +#define DATA_SECTION_ASM_OP "\t.section\t\".data\"" +#define BSS_SECTION_ASM_OP "\t.section\t\".bss\"" + +#define CONST_SECTION_ASM_OP "\t.section\t\".rodata\"" +#define INIT_SECTION_ASM_OP "\t.section\t\".init\"" +#endif + +#define CTORS_SECTION_ASM_OP "\t.section\t\".ctors\",#alloc,#execinstr\n" +#define DTORS_SECTION_ASM_OP "\t.section\t\".dtors\",#alloc,#execinstr\n" + +/* The native assembler can't compute differences between symbols in different + sections when generating pic code, so we must put jump tables in the + text section. */ +#define JUMP_TABLES_IN_TEXT_SECTION 1 + +/* Must use data section for relocatable constants when pic. */ +#undef SELECT_RTX_SECTION +#define SELECT_RTX_SECTION(MODE,RTX) \ +{ \ + if (flag_pic && symbolic_operand (RTX)) \ + data_section (); \ + else \ + const_section (); \ +} + +/* The Solaris 2 assembler uses .skip, not .zero, so put this back. */ +#undef ASM_OUTPUT_SKIP +#define ASM_OUTPUT_SKIP(FILE,SIZE) \ + fprintf (FILE, "\t.skip %u\n", (SIZE)) + +#undef ASM_OUTPUT_ALIGNED_LOCAL +#define ASM_OUTPUT_ALIGNED_LOCAL(FILE, NAME, SIZE, ALIGN) \ +do { \ + fputs ("\t.local\t", (FILE)); \ + assemble_name ((FILE), (NAME)); \ + putc ('\n', (FILE)); \ + ASM_OUTPUT_ALIGNED_COMMON (FILE, NAME, SIZE, ALIGN); \ +} while (0) + +#undef COMMON_ASM_OP +#define COMMON_ASM_OP "\t.common" + +/* This is how to output a definition of an internal numbered label where + PREFIX is the class of label and NUM is the number within the class. */ + +#undef ASM_OUTPUT_INTERNAL_LABEL +#define ASM_OUTPUT_INTERNAL_LABEL(FILE,PREFIX,NUM) \ + fprintf (FILE, ".L%s%d:\n", PREFIX, NUM) + +/* This is how to output a reference to an internal numbered label where + PREFIX is the class of label and NUM is the number within the class. */ + +#undef ASM_OUTPUT_INTERNAL_LABELREF +#define ASM_OUTPUT_INTERNAL_LABELREF(FILE,PREFIX,NUM) \ + fprintf (FILE, ".L%s%d", PREFIX, NUM) + +/* This is how to store into the string LABEL + the symbol_ref name of an internal numbered label where + PREFIX is the class of label and NUM is the number within the class. + This is suitable for output with `assemble_name'. */ + +#undef ASM_GENERATE_INTERNAL_LABEL +#define ASM_GENERATE_INTERNAL_LABEL(LABEL,PREFIX,NUM) \ + sprintf (LABEL, "*.L%s%d", PREFIX, NUM) + +/* in Solaris 2.0, linenos are relative to the current fn. */ +#undef ASM_OUTPUT_SOURCE_LINE +#define ASM_OUTPUT_SOURCE_LINE(file, line) \ + { static int sym_lineno = 1; \ + fprintf (file, ".stabn 68,0,%d,.LM%d-%s\n.LM%d:\n", \ + line, sym_lineno, \ + IDENTIFIER_POINTER (DECL_ASSEMBLER_NAME (current_function_decl)),\ + sym_lineno); \ + sym_lineno += 1; } + +/* But, to make this work, we have to output the stabs for the function + name *first*... */ +#define DBX_FUNCTION_FIRST + + +/* We don't use the standard svr4 STARTFILE_SPEC because it's wrong for us. + We don't use the standard LIB_SPEC only because we don't yet support c++ */ /* If we cannot find the GNU *crt*.o files in the STANDARD_STARTFILE_PREFIX directory, our fallback strategy must be to look for these files instead in the Sun C 2.0 directory. */ -#define MD_STARTFILE_PREFIX_1 "/opt/SUNWste/SC2.0/" +#undef MD_STARTFILE_PREFIX +#define MD_STARTFILE_PREFIX "/opt/SUNWspro/SC2.0/" + +#undef STARTFILE_SPEC +#define STARTFILE_SPEC "%{!shared: \ + %{!symbolic: \ + %{pg:crt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}} \ + %{pg:gmon.o%s} \ + %{pg:crti.o%s}%{!pg:crti.o%s} \ + %{ansi:/usr/ccs/lib/values-Xc.o%s} \ + %{!ansi: \ + %{traditional:/usr/ccs/lib/values-Xt.o%s} \ + %{!traditional:/usr/ccs/lib/values-Xa.o%s}}}} \ + crtbegin.o%s" + +#undef LIB_SPEC +#define LIB_SPEC \ + "%{!shared:%{!symbolic:-lc}} \ + crtend.o%s \ + %{!shared:%{!symbolic:%{pg:crtn.o%s}%{!pg:crtn.o%s}}}" + +/* This should be the same as in svr4.h, except with -R added. */ +#undef LINK_SPEC +#define LINK_SPEC "%{h*} %{V} %{v:%{!V:-V}} \ + %{b} %{Wl,*:%*} \ + %{static:-dn -Bstatic} \ + %{shared:-G -dy} \ + %{symbolic:-Bsymbolic -G -dy} \ + %{G:-G} \ + %{YP,*} \ + %{R*} \ + %{!YP,*:%{p:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \ + %{!p:-Y P,/usr/ccs/lib:/usr/lib}} \ + %{Qy:} %{!Qn:-Qy}" + +/* This defines which switch letters take arguments. + It is as in svr4.h but with -R added. */ + +#undef SWITCH_TAKES_ARG +#define SWITCH_TAKES_ARG(CHAR) \ + ( (CHAR) == 'D' \ + || (CHAR) == 'U' \ + || (CHAR) == 'o' \ + || (CHAR) == 'e' \ + || (CHAR) == 'u' \ + || (CHAR) == 'I' \ + || (CHAR) == 'm' \ + || (CHAR) == 'L' \ + || (CHAR) == 'R' \ + || (CHAR) == 'A' \ + || (CHAR) == 'h' \ + || (CHAR) == 'z')