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fix aliases not using underscore prefixes in assembler code

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long double functions, that are identical to double functions, usually
define themselves as weak references to their double counterpart.
However, the piece of assembler written for that produces

  .equ <name>l, <name>

but on SuperH C-exported symbols have leading underscores. This commit
adds an SH3 exception to use instead

  .equ _<name>l, _<name>

which fixes a number of long double functions.
This commit is contained in:
Lephenixnoir 2021-05-20 21:27:38 +02:00
parent 07a9090c98
commit d241d4f77a
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GPG key ID: 1BBA026E13FC0495
1 changed files with 6 additions and 0 deletions
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6
src/cdefs-compat.h
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@ -34,9 +34,15 @@
#else
#ifdef __ELF__
#ifdef __STDC__
#if defined(__sh3__)
#define openlibm_weak_reference(sym,alias) \
__asm__(".weak _" #alias); \
__asm__(".equ _" #alias ", _" #sym)
#else
#define openlibm_weak_reference(sym,alias) \
__asm__(".weak " #alias); \
__asm__(".equ " #alias ", " #sym)
#endif /* __sh3__ */
#ifdef __warn_references
#define openlibm_warn_references(sym,msg) __warn_references(sym,msg)
#else