diff options
Diffstat (limited to 'src/vm/arm64/asmhelpers.S')
| -rw-r--r-- | src/vm/arm64/asmhelpers.S | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/vm/arm64/asmhelpers.S b/src/vm/arm64/asmhelpers.S index b318ad9efa..ef6b5cfffe 100644 --- a/src/vm/arm64/asmhelpers.S +++ b/src/vm/arm64/asmhelpers.S @@ -909,7 +909,13 @@ NESTED_ENTRY CallEHFunclet, _TEXT, NoHandler // X3 = address of the location where the SP of funclet's caller (i.e. this helper) should be saved. // - PROLOG_SAVE_REG_PAIR_INDEXED fp, lr, -96 + // Using below prolog instead of PROLOG_SAVE_REG_PAIR_INDEXED fp,lr, -96 + // is intentional. Above statement would also emit instruction to save + // sp in fp. If sp is saved in fp in prolog then it is not expected that fp can change in the body + // of method. However, this method needs to be able to change fp before calling funclet. + // This is required to access locals in funclet. + PROLOG_SAVE_REG_PAIR_INDEXED x29, lr, -96 + // Spill callee saved registers PROLOG_SAVE_REG_PAIR x19, x20, 16 PROLOG_SAVE_REG_PAIR x21, x22, 32 |