/* Definitions for Intel 386 running Interactive Unix System V, producing stabs-in-coff output (using a slightly modified gas). Specifically, this is for recent versions that support POSIX; for version 2.0.2, use configuration option i386-sysv instead. */ /* Underscores are not used on ISC systems (probably not on any COFF system), despite the comments in i386/gas.h. If this is not defined, enquire (for example) will fail to link. --karl@cs.umb.edu */ #define NO_UNDERSCORES /* Mostly like other gas-using systems. */ #include "i386/gas.h" /* But with ISC-specific additions. */ #include "i386/isc.h" /* We do not want to output SDB debugging information. */ #undef SDB_DEBUGGING_INFO /* We want to output DBX debugging information. */ #define DBX_DEBUGGING_INFO /* The function `dbxout_init' in dbxout.c omits the first character of `ltext_label_name' when outputting the main source directory and main source filename. I don't understand why, but rather than making a system-independent change there, I override dbxout.c's defaults. Perhaps it would be better to use ".Ltext0" instead of `ltext_label_name', but we've already generated the label, so we just use it here. --karl@cs.umb.edu */ #define DBX_OUTPUT_MAIN_SOURCE_DIRECTORY(asmfile, cwd) \ do { fprintf (asmfile, "%s ", ASM_STABS_OP); \ output_quoted_string (asmfile, cwd); \ fprintf (asmfile, ",%d,0,0,%s\n", N_SO, ltext_label_name); \ } while (0) #define DBX_OUTPUT_MAIN_SOURCE_FILENAME(asmfile, input_file_name) \ fprintf (asmfile, "%s ", ASM_STABS_OP); \ output_quoted_string (input_file_name); \ fprintf (asmfile, ",%d,0,0,%s\n", N_SO, ltext_label_name); \ text_section (); \ ASM_OUTPUT_INTERNAL_LABEL (asmfile, "Ltext", 0) /* Because we don't include `svr3.h', we haven't yet defined SIZE_TYPE and PTRDIFF_TYPE. ISC's definitions don't match GCC's defaults, so: */ #undef SIZE_TYPE #define SIZE_TYPE "unsigned int" #undef PTRDIFF_TYPE #define PTRDIFF_TYPE "int" /* But we can't use crtbegin.o and crtend.o, because gas 1.38.1 doesn't grok .section. The definitions here are otherwise identical to those in i386/isc.h. */ #undef STARTFILE_SPEC #define STARTFILE_SPEC \ "%{!shlib:%{posix:%{pg:mcrtp1.o%s}%{!pg:%{p:mcrtp1.o%s}%{!p:crtp1.o%s}}}\ %{!posix:%{pg:mcrt1.o%s}%{!pg:%{p:mcrt1.o%s}%{!p:crt1.o%s}}\ %{p:-L/lib/libp} %{pg:-L/lib/libp}}}\ %{shlib:%{posix:crtp1.o%s}%{!posix:crt1.o%s}}" #undef ENDFILE_SPEC #define ENDFILE_SPEC "crtn.o%s"