mirror of
https://github.com/pezkuwichain/revive.git
synced 2026-05-09 02:28:05 +00:00
Ermal Kaleci
116 lines
2.6 KiB
C
116 lines
2.6 KiB
C
#include <stddef.h>
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#include <stdint.h>
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#include "polkavm_guest.h"
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// Missing builtins
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#define EVM_WORD_SIZE 32
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#define ALIGN(size) ((size + EVM_WORD_SIZE - 1) & ~(EVM_WORD_SIZE - 1))
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#define MAX_MEMORY_SIZE (64 * 1024)
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static char __memory[MAX_MEMORY_SIZE];
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static uint32_t __memory_size = 0;
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void * __sbrk_internal(uint32_t offset, uint32_t size) {
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if (offset >= MAX_MEMORY_SIZE || size > MAX_MEMORY_SIZE) {
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return NULL;
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}
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uint32_t new_size = ALIGN(offset + size);
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if (new_size > MAX_MEMORY_SIZE) {
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return NULL;
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}
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if (new_size > __memory_size) {
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__memory_size = new_size;
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}
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return (void *)&__memory[__memory_size];
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}
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uint32_t __msize() {
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return __memory_size;
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}
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void * memset(void *b, int c, size_t len) {
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uint8_t *dest = b;
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while (len-- > 0) *dest++ = c;
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return b;
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}
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void * memcpy(void *dst, const void *_src, size_t len) {
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uint8_t *dest = dst;
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const uint8_t *src = _src;
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while (len--) *dest++ = *src++;
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return dst;
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}
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void * memmove(void *dst, const void *src, size_t n) {
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char *d = dst;
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const char *s = src;
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if (d==s) return d;
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if ((uintptr_t)s-(uintptr_t)d-n <= -2*n) return memcpy(d, s, n);
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if (d<s) {
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for (; n; n--) *d++ = *s++;
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} else {
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while (n) n--, d[n] = s[n];
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}
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return dst;
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}
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// Imports
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POLKAVM_IMPORT(void, address, uint32_t)
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POLKAVM_IMPORT(void, balance, uint32_t)
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POLKAVM_IMPORT(void, balance_of, uint32_t, uint32_t)
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POLKAVM_IMPORT(void, block_hash, uint32_t, uint32_t)
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POLKAVM_IMPORT(void, block_number, uint32_t)
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POLKAVM_IMPORT(uint32_t, call, uint32_t)
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POLKAVM_IMPORT(uint32_t, delegate_call, uint32_t)
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POLKAVM_IMPORT(void, caller, uint32_t)
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POLKAVM_IMPORT(void, chain_id, uint32_t)
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POLKAVM_IMPORT(uint32_t, code_size, uint32_t, uint32_t)
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POLKAVM_IMPORT(void, code_hash, uint32_t, uint32_t)
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POLKAVM_IMPORT(void, deposit_event, uint32_t, uint32_t, uint32_t, uint32_t)
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POLKAVM_IMPORT(void, get_immutable_data, uint32_t, uint32_t);
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POLKAVM_IMPORT(uint32_t, get_storage, uint32_t, uint32_t, uint32_t, uint32_t, uint32_t)
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POLKAVM_IMPORT(void, hash_keccak_256, uint32_t, uint32_t, uint32_t)
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POLKAVM_IMPORT(void, input, uint32_t, uint32_t)
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POLKAVM_IMPORT(uint32_t, instantiate, uint32_t)
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POLKAVM_IMPORT(void, now, uint32_t)
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POLKAVM_IMPORT(void, origin, uint32_t)
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POLKAVM_IMPORT(void, seal_return, uint32_t, uint32_t, uint32_t)
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POLKAVM_IMPORT(uint32_t, set_storage, uint32_t, uint32_t, uint32_t, uint32_t, uint32_t)
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POLKAVM_IMPORT(void, return_data_copy, uint32_t, uint32_t, uint32_t)
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POLKAVM_IMPORT(void, return_data_size, uint32_t)
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POLKAVM_IMPORT(void, set_immutable_data, uint32_t, uint32_t);
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POLKAVM_IMPORT(void, value_transferred, uint32_t)
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