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authorRich Felker <dalias@aerifal.cx>2020-11-02 23:25:12 -0500
committerRich Felker <dalias@aerifal.cx>2020-11-11 10:54:58 -0500
commit4ffa7068993ab4a1e1cedfed8954db979d9b7fbd (patch)
treefccc5a38e870f94cb54f03c8b83fb2d06ad2d8b3 /arch/aarch64/bits/signal.h
parentd91a6cf6e369a79587c5665fce9635e5634ca201 (diff)
downloadmusl-4ffa7068993ab4a1e1cedfed8954db979d9b7fbd.tar.gz
fix vector types in aarch64 register file structures
the ABI type for the vector registers in fpregset_t, struct fpsimd_context, and struct user_fpsimd_struct is __uint128_t, which was presumably originally not used because it's a nonstandard type, but its existence is mandated by the aarch64 psABI. use of the wrong type here broke software using these structures, and encouraged incorrect fixes with casts rather than reinterpretation of representation.
Diffstat (limited to 'arch/aarch64/bits/signal.h')
-rw-r--r--arch/aarch64/bits/signal.h4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/aarch64/bits/signal.h b/arch/aarch64/bits/signal.h
index b71261f5..5098c734 100644
--- a/arch/aarch64/bits/signal.h
+++ b/arch/aarch64/bits/signal.h
@@ -11,7 +11,7 @@ typedef unsigned long greg_t;
typedef unsigned long gregset_t[34];
typedef struct {
- long double vregs[32];
+ __uint128_t vregs[32];
unsigned int fpsr;
unsigned int fpcr;
} fpregset_t;
@@ -34,7 +34,7 @@ struct fpsimd_context {
struct _aarch64_ctx head;
unsigned int fpsr;
unsigned int fpcr;
- long double vregs[32];
+ __uint128_t vregs[32];
};
struct esr_context {
struct _aarch64_ctx head;