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Merge pull request #312 from fjricci/fix_ub

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Fix misaligned memory access in ffi_call_int
This commit is contained in:
Anthony Green
2017-09-27 20:47:08 -04:00
committed by GitHub
parent 8a16f2f47f 9c12209d2e
commit db4dad97e2
1 changed files with 2 additions and 2 deletions
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4
src/x86/ffi64.c
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@@ -646,10 +646,10 @@ ffi_call_int (ffi_cif *cif, void (*fn)(void), void *rvalue,
break; break;
case X86_64_SSE_CLASS: case X86_64_SSE_CLASS:
case X86_64_SSEDF_CLASS: case X86_64_SSEDF_CLASS:
reg_args->sse[ssecount++].i64 = *(UINT64 *) a; memcpy (&reg_args->sse[ssecount++].i64, a, sizeof(UINT64));
break; break;
case X86_64_SSESF_CLASS: case X86_64_SSESF_CLASS:
reg_args->sse[ssecount++].i32 = *(UINT32 *) a; memcpy (&reg_args->sse[ssecount++].i32, a, sizeof(UINT32));
break; break;
default: default:
abort(); abort();