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| author | Andreas Gampe <agampe@google.com> | 2015-06-23 23:28:59 -0700 |
|---|---|---|
| committer | Andreas Gampe <agampe@google.com> | 2015-06-24 15:22:13 -0700 |
| commit | 844fb67a8b5638c4e195dbbe510dc1626824a16c (patch) | |
| tree | c164cfed1bdd52e4266dc7cbde64a63a80dd1856 /runtime | |
| parent | 1a63351b4b68a9ffb4e55ce8185e13cda6893ec1 (diff) | |
| download | android_art-844fb67a8b5638c4e195dbbe510dc1626824a16c.tar.gz android_art-844fb67a8b5638c4e195dbbe510dc1626824a16c.tar.bz2 android_art-844fb67a8b5638c4e195dbbe510dc1626824a16c.zip | |
ART: Fix arm32 instrumentation exit stub
Properly store, pass and restore floating point result.
Bug: 22047833
Change-Id: If5d9efbe63334c9b6353f76ce6e4fe519602482a
Diffstat (limited to 'runtime')
| -rw-r--r-- | runtime/arch/arm/quick_entrypoints_arm.S | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/runtime/arch/arm/quick_entrypoints_arm.S b/runtime/arch/arm/quick_entrypoints_arm.S index 5ae291a44b..d02ab14ab5 100644 --- a/runtime/arch/arm/quick_entrypoints_arm.S +++ b/runtime/arch/arm/quick_entrypoints_arm.S @@ -1052,9 +1052,12 @@ art_quick_instrumentation_exit: .cfi_adjust_cfa_offset 8 .cfi_rel_offset r0, 0 .cfi_rel_offset r1, 4 - sub sp, #8 @ space for return value argument + vpush {d0} @ save fp return value .cfi_adjust_cfa_offset 8 - strd r0, [sp] @ r0/r1 -> [sp] for fpr_res + sub sp, #8 @ space for return value argument. Note: AAPCS stack alignment is 8B, no + @ need to align by 16. + .cfi_adjust_cfa_offset 8 + vstr d0, [sp] @ d0 -> [sp] for fpr_res mov r2, r0 @ pass return value as gpr_res mov r3, r1 mov r0, r9 @ pass Thread::Current @@ -1065,6 +1068,8 @@ art_quick_instrumentation_exit: mov r2, r0 @ link register saved by instrumentation mov lr, r1 @ r1 is holding link register if we're to bounce to deoptimize + vpop {d0} @ restore fp return value + .cfi_adjust_cfa_offset -8 pop {r0, r1} @ restore return value .cfi_adjust_cfa_offset -8 .cfi_restore r0 |