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Merge branch 'precompile-fixes' into blake_precompile

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This commit is contained in:
Nicholas Ward 2023-04-21 18:01:29 -07:00
commit b288ff5f0d
3 changed files with 53 additions and 39 deletions
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33
evm/src/cpu/kernel/asm/core/precompiles/bn_add.asm
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@ -11,25 +11,30 @@ global precompile_bn_add:
%charge_gas_const(@BN_ADD_GAS)
// Load x0, y0, x1, y1 from the call data using `mload_packing`.
PUSH bn_add_return
// stack: bn_add_return, kexit_info
%stack () -> (@SEGMENT_CALLDATA, 96, 32)
GET_CONTEXT
%stack (ctx, kexit_info) -> (ctx, @SEGMENT_CALLDATA, 96, 32, bn_add_contd, kexit_info)
%jump(mload_packing)
bn_add_contd:
// stack: ctx, @SEGMENT_CALLDATA, 96, 32, bn_add_return, kexit_info
%mload_packing
// stack: y1, bn_add_return, kexit_info
%stack () -> (@SEGMENT_CALLDATA, 64, 32)
GET_CONTEXT
%stack (ctx, y1, kexit_info) -> (ctx, @SEGMENT_CALLDATA, 64, 32, bn_add_contd2, y1, kexit_info)
%jump(mload_packing)
bn_add_contd2:
// stack: ctx, @SEGMENT_CALLDATA, 64, 32, y1, bn_add_return, kexit_info
%mload_packing
// stack: x1, y1, bn_add_return, kexit_info
%stack () -> (@SEGMENT_CALLDATA, 32, 32)
GET_CONTEXT
%stack (ctx, x1, y1, kexit_info) -> (ctx, @SEGMENT_CALLDATA, 32, 32, bn_add_contd3, x1, y1, kexit_info)
%jump(mload_packing)
bn_add_contd3:
// stack: ctx, @SEGMENT_CALLDATA, 32, 32, x1, y1, bn_add_return, kexit_info
%mload_packing
// stack: y0, x1, y1, bn_add_return, kexit_info
%stack () -> (@SEGMENT_CALLDATA, 0, 32)
GET_CONTEXT
%stack (ctx, y0, x1, y1, kexit_info) -> (ctx, @SEGMENT_CALLDATA, 0, 32, bn_add_contd4, y0, x1, y1, kexit_info)
%jump(mload_packing)
bn_add_contd4:
%stack (x0, y0, x1, y1, kexit_info) -> (x0, y0, x1, y1, bn_add_contd5, kexit_info)
// stack: ctx, @SEGMENT_CALLDATA, 0, 32, y0, x1, y1, bn_add_return, kexit_info
%mload_packing
// stack: x0, y0, x1, y1, bn_add_return, kexit_info
%jump(bn_add)
bn_add_contd5:
bn_add_return:
// stack: x, y, kexit_info
DUP2 %eq_const(@U256_MAX) // bn_add returns (U256_MAX, U256_MAX) on bad input.
DUP2 %eq_const(@U256_MAX) // bn_add returns (U256_MAX, U256_MAX) on bad input.

26
evm/src/cpu/kernel/asm/core/precompiles/bn_mul.asm
View File

@ -11,21 +11,25 @@ global precompile_bn_mul:
%charge_gas_const(@BN_MUL_GAS)
// Load x, y, n from the call data using `mload_packing`.
PUSH bn_mul_return
// stack: bn_mul_return, kexit_info
%stack () -> (@SEGMENT_CALLDATA, 64, 32)
GET_CONTEXT
%stack (ctx, kexit_info) -> (ctx, @SEGMENT_CALLDATA, 64, 32, bn_mul_contd, kexit_info)
%jump(mload_packing)
bn_mul_contd:
// stack: ctx, @SEGMENT_CALLDATA, 64, 32, bn_mul_return, kexit_info
%mload_packing
// stack: n, bn_mul_return, kexit_info
%stack () -> (@SEGMENT_CALLDATA, 32, 32)
GET_CONTEXT
%stack (ctx, n, kexit_info) -> (ctx, @SEGMENT_CALLDATA, 32, 32, bn_mul_contd2, n, kexit_info)
%jump(mload_packing)
bn_mul_contd2:
// stack: ctx, @SEGMENT_CALLDATA, 32, 32, n, bn_mul_return, kexit_info
%mload_packing
// stack: y, n, bn_mul_return, kexit_info
%stack () -> (@SEGMENT_CALLDATA, 0, 32)
GET_CONTEXT
%stack (ctx, y, n, kexit_info) -> (ctx, @SEGMENT_CALLDATA, 0, 32, bn_mul_contd3, y, n, kexit_info)
%jump(mload_packing)
bn_mul_contd3:
%stack (x, y, n, kexit_info) -> (x, y, n, bn_mul_contd4, kexit_info)
// stack: ctx, @SEGMENT_CALLDATA, 0, 32, y, n, bn_mul_return, kexit_info
%mload_packing
// stack: x, y, n, bn_mul_return, kexit_info
%jump(bn_mul)
bn_mul_contd4:
bn_mul_return:
// stack: Px, Py, kexit_info
DUP2 %eq_const(@U256_MAX) // bn_mul returns (U256_MAX, U256_MAX) on bad input.
DUP2 %eq_const(@U256_MAX) // bn_mul returns (U256_MAX, U256_MAX) on bad input.

33
evm/src/cpu/kernel/asm/core/precompiles/ecrec.asm
View File

@ -11,25 +11,30 @@ global precompile_ecrec:
%charge_gas_const(@ECREC_GAS)
// Load hash, v, r, s from the call data using `mload_packing`.
PUSH ecrec_return
// stack: ecrec_return, kexit_info
%stack () -> (@SEGMENT_CALLDATA, 96, 32)
GET_CONTEXT
%stack (ctx, kexit_info) -> (ctx, @SEGMENT_CALLDATA, 96, 32, ecrec_contd, kexit_info)
%jump(mload_packing)
ecrec_contd:
// stack: ctx, @SEGMENT_CALLDATA, 96, 32, ecrec_return, kexit_info
%mload_packing
// stack: s, ecrec_return, kexit_info
%stack () -> (@SEGMENT_CALLDATA, 64, 32)
GET_CONTEXT
%stack (ctx, s, kexit_info) -> (ctx, @SEGMENT_CALLDATA, 64, 32, ecrec_contd2, s, kexit_info)
%jump(mload_packing)
ecrec_contd2:
// stack: ctx, @SEGMENT_CALLDATA, 64, 32, s, ecrec_return, kexit_info
%mload_packing
// stack: r, s, ecrec_return, kexit_info
%stack () -> (@SEGMENT_CALLDATA, 32, 32)
GET_CONTEXT
%stack (ctx, r, s, kexit_info) -> (ctx, @SEGMENT_CALLDATA, 32, 32, ecrec_contd3, r, s, kexit_info)
%jump(mload_packing)
ecrec_contd3:
// stack: ctx, @SEGMENT_CALLDATA, 32, 32, r, s, ecrec_return, kexit_info
%mload_packing
// stack: v, r, s, ecrec_return, kexit_info
%stack () -> (@SEGMENT_CALLDATA, 0, 32)
GET_CONTEXT
%stack (ctx, v, r, s, kexit_info) -> (ctx, @SEGMENT_CALLDATA, 0, 32, ecrec_contd4, v, r, s, kexit_info)
%jump(mload_packing)
ecrec_contd4:
%stack (hash, v, r, s, kexit_info) -> (hash, v, r, s, ecrec_contd5, kexit_info)
// stack: ctx, @SEGMENT_CALLDATA, 0, 32, v, r, s, ecrec_return, kexit_info
%mload_packing
// stack: hash, v, r, s, ecrec_return, kexit_info
%jump(ecrecover)
ecrec_contd5:
ecrec_return:
// stack: address, kexit_info
DUP1 %eq_const(@U256_MAX) %jumpi(ecrec_bad_input) // ecrecover returns U256_MAX on bad input.