Mercurial > hg > CbC > CbC_gcc
comparison gcc/testsuite/gcc.dg/darwin-weakimport-3.c @ 145:1830386684a0
gcc-9.2.0
| author | anatofuz |
|---|---|
| date | Thu, 13 Feb 2020 11:34:05 +0900 |
| parents | 04ced10e8804 |
| children |
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| 131:84e7813d76e9 | 145:1830386684a0 |
|---|---|
| 1 /* { dg-do compile { target *-*-darwin* } } */ | 1 /* { dg-do compile { target *-*-darwin* } } */ |
| 2 /* { dg-options "-fno-asynchronous-unwind-tables" } */ | 2 |
| 3 /* Here we want to test if "foo" gets placed into a coalesced | |
| 4 section (it should not). | |
| 5 | |
| 6 However, for i386, and PIC code we have a "get_pc thunk" that | |
| 7 is (correctly) placed in a coalesced section when using an older | |
| 8 linker - also unwind tables are emitted into coalesced. | |
| 9 | |
| 10 With modern linkers this is moot, since even weak symbols | |
| 11 are emitted into the regular sections. | |
| 12 | |
| 13 To avoid the unwind tables -fno-asynchronous-unwind-tables. | |
| 14 To ensure that we emit code for an older linker -mtarget-linker | |
| 15 To avoid the get_pc thunk optimise at least O1. */ | |
| 16 | |
| 17 /* { dg-options "-fno-asynchronous-unwind-tables -O1 -mtarget-linker 85.2" } */ | |
| 3 /* { dg-require-weak "" } */ | 18 /* { dg-require-weak "" } */ |
| 4 | 19 |
| 5 /* { dg-final { scan-assembler-not "coalesced" } } */ | 20 /* { dg-final { scan-assembler-not "coalesced" } } */ |
| 6 | 21 |
| 7 extern void foo(void) __attribute__((weak_import)); | 22 extern void foo(void) __attribute__((weak_import)); |