| [444] | 1 | #ifndef __WARNING_H__ |
|---|
| 2 | #define __WARNING_H__ |
|---|
| 3 | |
|---|
| 4 | #ifdef HAVE_GNU_LD |
|---|
| 5 | # ifdef HAVE_ELF |
|---|
| 6 | |
|---|
| 7 | /* We want the .gnu.warning.SYMBOL section to be unallocated. */ |
|---|
| 8 | # ifdef HAVE_ASM_PREVIOUS_DIRECTIVE |
|---|
| 9 | # define __make_section_unallocated(section_string) \ |
|---|
| 10 | asm(".section " section_string "\n .previous"); |
|---|
| 11 | # elif defined (HAVE_ASM_POPSECTION_DIRECTIVE) |
|---|
| 12 | # define __make_section_unallocated(section_string) \ |
|---|
| 13 | asm(".pushsection " section_string "\n .popsection"); |
|---|
| 14 | # else |
|---|
| 15 | # define __make_section_unallocated(section_string) |
|---|
| 16 | # endif |
|---|
| 17 | |
|---|
| 18 | # ifdef HAVE_SECTION_ATTRIBUTES |
|---|
| 19 | # define link_warning(symbol, msg) \ |
|---|
| 20 | static const char __evoke_link_warning_##symbol[] \ |
|---|
| 21 | __attribute__ ((section (".gnu.warning." __SYMBOL_PREFIX #symbol), \ |
|---|
| 22 | __used__)) = msg; |
|---|
| 23 | # else |
|---|
| 24 | # define link_warning(symbol, msg) |
|---|
| 25 | # endif |
|---|
| 26 | |
|---|
| 27 | #else /* !ELF */ |
|---|
| 28 | |
|---|
| 29 | # define link_warning(symbol, msg) \ |
|---|
| 30 | asm(".stabs \"" msg "\",30,0,0,0\n" \ |
|---|
| 31 | ".stabs \"" __SYMBOL_PREFIX #symbol "\",1,0,0,0\n"); |
|---|
| 32 | # endif |
|---|
| 33 | #else /* !GNULD */ |
|---|
| 34 | /* We will never be heard; they will all die horribly. */ |
|---|
| 35 | # define link_warning(symbol, msg) |
|---|
| 36 | #endif |
|---|
| 37 | |
|---|
| 38 | /* A canned warning for sysdeps/stub functions. |
|---|
| 39 | The GNU linker prepends a "warning: " string. */ |
|---|
| 40 | #define stub_warning(name) \ |
|---|
| 41 | link_warning (name, \ |
|---|
| 42 | #name " is not implemented and will always fail") |
|---|
| 43 | |
|---|
| 44 | #endif /* __WARNING_H__ */ |
|---|
