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| author | Andreas Gampe <agampe@google.com> | 2014-04-25 15:47:13 -0700 |
|---|---|---|
| committer | Andreas Gampe <agampe@google.com> | 2014-04-29 11:15:23 -0700 |
| commit | 00c1e6d5fa6c2c20f25c38591b9780114bf7ddbf (patch) | |
| tree | 0f36643a48cf4dcfb629f83f0e730b254a04b6b7 /runtime/arch/arm64/quick_entrypoints_arm64.S | |
| parent | cb905718826da268d8d8e09296806256f202c9f4 (diff) | |
| download | art-00c1e6d5fa6c2c20f25c38591b9780114bf7ddbf.zip art-00c1e6d5fa6c2c20f25c38591b9780114bf7ddbf.tar.gz art-00c1e6d5fa6c2c20f25c38591b9780114bf7ddbf.tar.bz2 | |
Add ARM64 & X86_64 Assembly, plus tests
This adds assembly code or removes UNTESTED annotation from
TWO_ARG_DOWNCALLand THREE_ARG_DOWNCALL macros and supporting code,
generating working allocation stubs.
Some object and array allocation tests are added to the stub_test.
Change-Id: I5e93b7543c1e6dbd33b0d4cf564c7cbd963e74ef
Diffstat (limited to 'runtime/arch/arm64/quick_entrypoints_arm64.S')
| -rw-r--r-- | runtime/arch/arm64/quick_entrypoints_arm64.S | 63 |
1 files changed, 58 insertions, 5 deletions
diff --git a/runtime/arch/arm64/quick_entrypoints_arm64.S b/runtime/arch/arm64/quick_entrypoints_arm64.S index 71f5bf7..2083051 100644 --- a/runtime/arch/arm64/quick_entrypoints_arm64.S +++ b/runtime/arch/arm64/quick_entrypoints_arm64.S @@ -158,7 +158,42 @@ .endm .macro RESTORE_REF_ONLY_CALLEE_SAVE_FRAME - brk 0 + // FP callee saves + ldp d8, d9, [sp, #8] + ldp d10, d11, [sp, #24] + ldp d12, d13, [sp, #40] + ldp d14, d15, [sp, #56] + + // Callee saved. + ldp xSELF, x19, [sp, #72] + .cfi_restore x18 + .cfi_restore x19 + + ldp x20, x21, [sp, #88] + .cfi_restore x20 + .cfi_restore x21 + + ldp x22, x23, [sp, #104] + .cfi_restore x22 + .cfi_restore x23 + + ldp x24, x25, [sp, #120] + .cfi_restore x24 + .cfi_restore x25 + + ldp x26, x27, [sp, #136] + .cfi_restore x26 + .cfi_restore x27 + + ldp x28, xFP, [sp, #152] // Save FP. + .cfi_restore x28 + .cfi_restore x29 + + ldr xLR, [sp, #168] + .cfi_restore x30 + + add sp, sp, #176 + .cfi_adjust_cfa_offset -176 .endm .macro RESTORE_REF_ONLY_CALLEE_SAVE_FRAME_AND_RETURN @@ -359,11 +394,15 @@ .endm .macro RETURN_IF_RESULT_IS_ZERO - brk 0 + cbnz x0, 1f // result non-zero branch over + ret // return +1: .endm .macro RETURN_IF_RESULT_IS_NON_ZERO - brk 0 + cbz x0, 1f // result zero branch over + ret // return +1: .endm /* @@ -1008,18 +1047,32 @@ UNIMPLEMENTED art_quick_set_obj_instance UNIMPLEMENTED art_quick_resolve_string // Macro to facilitate adding new allocation entrypoints. +// TODO: xSELF -> x19. Temporarily rely on xSELF being saved in REF_ONLY .macro TWO_ARG_DOWNCALL name, entrypoint, return .extern \entrypoint ENTRY \name - brk 0 + SETUP_REF_ONLY_CALLEE_SAVE_FRAME // save callee saves in case of GC + mov x2, xSELF // pass Thread::Current + mov x3, sp // pass SP + bl \entrypoint // (uint32_t type_idx, Method* method, Thread*, SP) + RESTORE_REF_ONLY_CALLEE_SAVE_FRAME + \return + DELIVER_PENDING_EXCEPTION END \name .endm // Macro to facilitate adding new array allocation entrypoints. +// TODO: xSELF -> x19. Temporarily rely on xSELF being saved in REF_ONLY .macro THREE_ARG_DOWNCALL name, entrypoint, return .extern \entrypoint ENTRY \name - brk 0 + SETUP_REF_ONLY_CALLEE_SAVE_FRAME // save callee saves in case of GC + mov x3, xSELF // pass Thread::Current + mov x4, sp // pass SP + bl \entrypoint + RESTORE_REF_ONLY_CALLEE_SAVE_FRAME + \return + DELIVER_PENDING_EXCEPTION END \name .endm |