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45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
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#ifndef __WARNING_H__
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#define __WARNING_H__
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#ifdef HAVE_GNU_LD
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# ifdef HAVE_ELF
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/* We want the .gnu.warning.SYMBOL section to be unallocated. */
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# ifdef HAVE_ASM_PREVIOUS_DIRECTIVE
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# define __make_section_unallocated(section_string) \
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asm(".section " section_string "\n .previous");
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# elif defined (HAVE_ASM_POPSECTION_DIRECTIVE)
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# define __make_section_unallocated(section_string) \
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asm(".pushsection " section_string "\n .popsection");
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# else
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# define __make_section_unallocated(section_string)
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# endif
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# ifdef HAVE_SECTION_ATTRIBUTES
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# define link_warning(symbol, msg) \
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static const char __evoke_link_warning_##symbol[] \
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__attribute__ ((section (".gnu.warning." __SYMBOL_PREFIX #symbol), \
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__used__)) = msg;
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# else
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# define link_warning(symbol, msg)
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# endif
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#else /* !ELF */
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# define link_warning(symbol, msg) \
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asm(".stabs \"" msg "\",30,0,0,0\n" \
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".stabs \"" __SYMBOL_PREFIX #symbol "\",1,0,0,0\n");
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# endif
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#else /* !GNULD */
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/* We will never be heard; they will all die horribly. */
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# define link_warning(symbol, msg)
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#endif
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/* A canned warning for sysdeps/stub functions.
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The GNU linker prepends a "warning: " string. */
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#define stub_warning(name) \
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link_warning (name, \
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#name " is not implemented and will always fail")
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#endif /* __WARNING_H__ */
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