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