--- gcc/config/sparc/sol2.h 2018/04/24 18:10:24 1.1 +++ gcc/config/sparc/sol2.h 2018/04/24 18:28:53 1.1.1.4 @@ -1,7 +1,8 @@ /* 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). + Copyright 1992, 1995 Free Software Foundation, Inc. + + Written by Ron Guilmette (rfg@netcom.com). + Additional changes by David V. Henkel-Wallace (gumby@cygnus.com). This file is part of GNU CC. @@ -17,20 +18,23 @@ GNU General Public License for more deta You should have received a copy of the GNU General Public License along with GNU CC; see the file COPYING. If not, write to -the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */ +the Free Software Foundation, 59 Temple Place - Suite 330, +Boston, MA 02111-1307, USA. */ /* Supposedly the same as vanilla sparc svr4, except for the stuff below: */ #include "sparc/sysv4.h" #undef CPP_PREDEFINES #define CPP_PREDEFINES \ - "-Dsun -Dsparc -Dunix -D__svr4__ -Asystem(unix) -Acpu(sparc) -Amachine(sparc)\ + "-Dsun -Dsparc -Dunix -D__svr4__ -D__SVR4 \ + -Asystem(unix) -Asystem(svr4) -Acpu(sparc) -Amachine(sparc)\ -D__GCC_NEW_VARARGS__" #undef CPP_SPEC #define CPP_SPEC "\ - %{compat-bsd:-iwithprefix ucbinclude -idirafter /usr/ucbinclude}\ - %{msparclite:-D__sparclite__} %{mv8:-D__sparc_v8__}" + %{compat-bsd:-iwithprefixbefore ucbinclude -I/usr/ucbinclude}\ + %{msparclite:-D__sparclite__} %{mv8:-D__sparc_v8__}\ + %{msupersparc:-D__supersparc__ -D__sparc_v8__}" /* 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. */ @@ -48,57 +52,9 @@ the Free Software Foundation, 675 Mass A /* We use stabs-in-elf for debugging, because that is what the native toolchain uses. */ -#define DBX_DEBUGGING_INFO +#undef PREFERRED_DEBUGGING_TYPE #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 sparc/sysv4.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) \ @@ -139,42 +95,20 @@ do { \ #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, \ - XSTR (XEXP (DECL_RTL (current_function_decl), 0), 0), \ - 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. */ - -#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" + %{p:mcrt1.o%s}%{!p:crt1.o%s} %{pg:gmon.o%s}}} \ + crti.o%s \ + %{ansi:values-Xc.o%s} \ + %{!ansi: \ + %{traditional:values-Xt.o%s} \ + %{!traditional:values-Xa.o%s}} \ + crtbegin.o%s" /* ??? Note: in order for -compat-bsd to work fully, we must somehow arrange to fixincludes /usr/ucbinclude @@ -182,10 +116,10 @@ do { \ #undef LIB_SPEC #define LIB_SPEC \ - "%{compat-bsd:-lucb -lsocket -lnsl -lelf -laio} \ - %{!shared:%{!symbolic:-lc}} \ - crtend.o%s \ - %{!shared:%{!symbolic:%{pg:crtn.o%s}%{!pg:crtn.o%s}}}" + "%{compat-bsd:-lucb -lsocket -lnsl -lelf -laio} %{!shared:%{!symbolic:-lc}}" + +#undef ENDFILE_SPEC +#define ENDFILE_SPEC "crtend.o%s crtn.o%s" /* This should be the same as in svr4.h, except with -R added. */ #undef LINK_SPEC @@ -193,18 +127,20 @@ do { \ "%{h*} %{V} %{v:%{!V:-V}} \ %{b} %{Wl,*:%*} \ %{static:-dn -Bstatic} \ - %{shared:-G -dy} \ - %{symbolic:-Bsymbolic -G -dy} \ + %{shared:-G -dy -z text %{!h*:%{o*:-h %*}}} \ + %{symbolic:-Bsymbolic -G -dy -z text %{!h*:%{o*:-h %*}}} \ %{G:-G} \ %{YP,*} \ %{R*} \ %{compat-bsd: \ %{!YP,*:%{p:-Y P,/usr/ucblib:/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \ - %{!p:-Y P,/usr/ucblib:/usr/ccs/lib:/usr/lib}} \ + %{pg:-Y P,/usr/ucblib:/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \ + %{!p:%{!pg:-Y P,/usr/ucblib:/usr/ccs/lib:/usr/lib}}} \ -R /usr/ucblib} \ %{!compat-bsd: \ %{!YP,*:%{p:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \ - %{!p:-Y P,/usr/ccs/lib:/usr/lib}}} \ + %{pg:-Y P,/usr/ccs/lib/libp:/usr/lib/libp:/usr/ccs/lib:/usr/lib} \ + %{!p:%{!pg:-Y P,/usr/ccs/lib:/usr/lib}}}} \ %{Qy:} %{!Qn:-Qy}" /* This defines which switch letters take arguments. @@ -224,3 +160,9 @@ do { \ || (CHAR) == 'A' \ || (CHAR) == 'h' \ || (CHAR) == 'z') + +/* ??? This does not work in SunOS 4.x, so it is not enabled in sparc.h. + Instead, it is enabled here, because it does work under Solaris. */ +/* Define for support of TFmode long double and REAL_ARITHMETIC. + Sparc ABI says that long double is 4 words. */ +#define LONG_DOUBLE_TYPE_SIZE 128