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[sanitizer_common] Heed __ndbl_ prefix for 32-bit Linux/sparc64 inter… #109106

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Merged
merged 1 commit into from
Sep 24, 2024
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[sanitizer_common] Heed __ndbl_ prefix for 32-bit Linux/sparc64 inter… #109106

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33 changes: 33 additions & 0 deletions compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors.inc
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Original file line number Diff line number Diff line change
Expand Up @@ -127,6 +127,39 @@ extern const short *_toupper_tab_;
extern const short *_tolower_tab_;
#endif

#if SANITIZER_LINUX && SANITIZER_SPARC32
// On 32-bit Linux/sparc64, double and long double are identical and glibc
// uses a __nldbl_ (no long double) prefix for various stdio functions.
# define __isoc23_fscanf __nldbl___isoc23_fscanf
# define __isoc23_scanf __nldbl___isoc23_scanf
# define __isoc23_sscanf __nldbl___isoc23_sscanf
# define __isoc23_vfscanf __nldbl___isoc23_vfscanf
# define __isoc23_vscanf __nldbl___isoc23_vscanf
# define __isoc23_vsscanf __nldbl___isoc23_vsscanf
# define __isoc99_fscanf __nldbl___isoc99_fscanf
# define __isoc99_scanf __nldbl___isoc99_scanf
# define __isoc99_sscanf __nldbl___isoc99_sscanf
# define __isoc99_vfscanf __nldbl___isoc99_vfscanf
# define __isoc99_vscanf __nldbl___isoc99_vscanf
# define __isoc99_vsscanf __nldbl___isoc99_vsscanf
# define asprintf __nldbl_asprintf
# define fprintf __nldbl_fprintf
# define fscanf __nldbl_fscanf
# define printf __nldbl_printf
# define scanf __nldbl_scanf
# define snprintf __nldbl_snprintf
# define sprintf __nldbl_sprintf
# define sscanf __nldbl_sscanf
# define vasprintf __nldbl_vasprintf
# define vfprintf __nldbl_vfprintf
# define vfscanf __nldbl_vfscanf
# define vprintf __nldbl_vprintf
# define vscanf __nldbl_vscanf
# define vsnprintf __nldbl_vsnprintf
# define vsprintf __nldbl_vsprintf
# define vsscanf __nldbl_vsscanf
#endif

#if SANITIZER_MUSL && \
(defined(__i386__) || defined(__arm__) || SANITIZER_MIPS32 || SANITIZER_PPC32)
// musl 1.2.0 on existing 32-bit architectures uses new symbol names for the
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