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Support powerpc when builing without init_array. 

Summary: Also add an error case when targetting an unimplement architecture.

Subscribers: nemanjai, jsji, shchenz, #sanitizers, llvm-commits

Tags: #sanitizers, #llvm

Differential Revision: https://reviews.llvm.org/D71670
This commit is contained in:
Sterling Augustine 2019-12-18 11:15:32 -08:00
parent 4121399c12
commit 5789e83ded
1 changed files with 17 additions and 3 deletions
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20
compiler-rt/lib/crt/crtbegin.c
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@ -57,8 +57,15 @@ __asm__(".pushsection .init,\"ax\",@progbits\n\t"
__asm__(".pushsection .init,\"ax\",%progbits\n\t"
"bl " __USER_LABEL_PREFIX__ "__do_init\n\t"
".popsection");
#endif // CRT_HAS_INITFINI_ARRAY
#endif
#elif defined(__powerpc__) || defined(__powerpc64__)
__asm__(".pushsection .init,\"ax\",@progbits\n\t"
"bl " __USER_LABEL_PREFIX__ "__do_init\n\t"
"nop\n\t"
".popsection");
#else
#error "crtbegin without .init_fini array unimplemented for this architecture"
#endif // defined(various architectures)
#endif // CRT_HAS_INITFINI_ARRAY
#ifndef CRT_HAS_INITFINI_ARRAY
static fp __DTOR_LIST__[]
@ -97,5 +104,12 @@ __asm__(".pushsection .fini,\"ax\",@progbits\n\t"
__asm__(".pushsection .fini,\"ax\",%progbits\n\t"
"bl " __USER_LABEL_PREFIX__ "__do_fini\n\t"
".popsection");
#endif
#elif defined(__powerpc__) || defined(__powerpc64__)
__asm__(".pushsection .fini,\"ax\",@progbits\n\t"
"bl " __USER_LABEL_PREFIX__ "__do_fini\n\t"
"nop\n\t"
".popsection");
#else
#error "crtbegin without .init_fini array unimplemented for this architecture"
#endif // defined(various architectures)
#endif // CRT_HAS_INIT_FINI_ARRAY