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| author | Gleb Balykov <g.balykov@samsung.com> | 2020-09-14 13:30:50 +0300 |
|---|---|---|
| committer | Alexander Soldatov/Platform Lab /SRR/Staff Engineer/Samsung Electronics <soldatov.a@samsung.com> | 2020-09-21 20:04:27 +0300 |
| commit | 676b3e46459a5138d05ac31bb697a54a8a8f685c (patch) | |
| tree | 9a5d32deb41da42d98bf125b6a1ec9dee8359ce8 /src/vm/arm64/asmhelpers.S | |
| parent | 7a0186fe2611e00cd8019adced7af3a269e2e7f4 (diff) | |
| download | coreclr-676b3e46459a5138d05ac31bb697a54a8a8f685c.tar.gz coreclr-676b3e46459a5138d05ac31bb697a54a8a8f685c.tar.bz2 coreclr-676b3e46459a5138d05ac31bb697a54a8a8f685c.zip | |
[Tizen] Add RelativeFixupPrecode for arm64, which replaces FixupPrecode in FNV imagessubmit/tizen/20200921.230336accepted/tizen/unified/20200922.034817
Diffstat (limited to 'src/vm/arm64/asmhelpers.S')
| -rw-r--r-- | src/vm/arm64/asmhelpers.S | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/src/vm/arm64/asmhelpers.S b/src/vm/arm64/asmhelpers.S index 91aaa5b054..15ec19219b 100644 --- a/src/vm/arm64/asmhelpers.S +++ b/src/vm/arm64/asmhelpers.S @@ -142,15 +142,15 @@ NESTED_END NDirectImportThunk, _TEXT // ------------------------------------------------------------------ // The call in fixup precode initally points to this function. -// The pupose of this function is to load the MethodDesc and forward the call to prestub. +// The purpose of this function is to load the MethodDesc and forward the call to prestub. NESTED_ENTRY PrecodeFixupThunk, _TEXT, NoHandler // x12 = FixupPrecode * // On Exit // x12 = MethodDesc* // x13, x14 Trashed // Inline computation done by FixupPrecode::GetMethodDesc() - ldrb w13, [x12, #Offset_PrecodeChunkIndex] //m_PrecodeChunkIndex - ldrb w14, [x12, #Offset_MethodDescChunkIndex] // m_MethodDescChunkIndex + ldrb w13, [x12, #Offset_FixupPrecodeChunkIndex] //m_PrecodeChunkIndex + ldrb w14, [x12, #Offset_FixupPrecodeMethodDescChunkIndex] // m_MethodDescChunkIndex add x12, x12, w13, uxtw #FixupPrecode_ALIGNMENT_SHIFT_1 add x13, x12, w13, uxtw #FixupPrecode_ALIGNMENT_SHIFT_2 @@ -161,6 +161,29 @@ NESTED_ENTRY PrecodeFixupThunk, _TEXT, NoHandler NESTED_END PrecodeFixupThunk, _TEXT // ------------------------------------------------------------------ +// ------------------------------------------------------------------ +// The call in fixup precode initally points to this function. +// The purpose of this function is to load the MethodDesc and forward the call to prestub. +NESTED_ENTRY PrecodeRelativeFixupThunk, _TEXT, NoHandler + // x11 = RelativeFixupPrecode * + // On Exit + // x12 = MethodDesc* + // x11, x13 Trashed + // Inline computation done by RelativeFixupPrecode::GetMethodDesc() + ldrb w12, [x11, #Offset_RelativeFixupPrecodeChunkIndex] //m_PrecodeChunkIndex + ldrb w13, [x11, #Offset_RelativeFixupPrecodeMethodDescChunkIndex] // m_MethodDescChunkIndex + + add x11, x11, w12, uxtw #RelativeFixupPrecode_ALIGNMENT_SHIFT + add x11, x11, w12, uxtw #RelativeFixupPrecode_ALIGNMENT_SHIFT + add x12, x11, #SIZEOF__RelativeFixupPrecode // GetBase() + ldr x11, [x12] // base + add x12, x12, x11 + add x12, x12, w13, uxtw #MethodDesc_ALIGNMENT_SHIFT + + b ThePreStub +NESTED_END PrecodeRelativeFixupThunk, _TEXT +// ------------------------------------------------------------------ + NESTED_ENTRY ThePreStub, _TEXT, NoHandler PROLOG_WITH_TRANSITION_BLOCK |