Line data Source code
1 : #include "fd_vm_syscall.h"
2 : #include "../../runtime/fd_borrowed_account.h"
3 : #include "../../runtime/fd_system_ids.h"
4 : #include "../../runtime/fd_executor.h"
5 :
6 : /* FIXME: ALGO EFFICIENCY */
7 : static inline int
8 : fd_vm_syscall_cpi_is_signer( fd_pubkey_t const * account,
9 : fd_pubkey_t const * signers,
10 382 : ulong signers_cnt ) {
11 390 : for( ulong i=0UL; i<signers_cnt; i++ ) if( !memcmp( account->uc, signers[i].uc, sizeof(fd_pubkey_t) ) ) return 1;
12 7 : return 0;
13 382 : }
14 :
15 : /*
16 : fd_vm_prepare_instruction populates instruction_accounts and instruction_accounts_cnt
17 : with the instruction accounts ready for execution.
18 :
19 : The majority of this logic is taken from
20 : https://github.com/anza-xyz/agave/blob/v4.0.0-beta.7/program-runtime/src/invoke_context.rs#L311-L455,
21 : and is not vm-specific, but a part of the runtime.
22 : TODO: should we move this out of the CPI section?
23 :
24 : The bulk of the logic is concerned with unifying the privileges for each duplicated account,
25 : ensuring that each duplicate account referenced has the same privileges. It also performs some
26 : privilege checks, for example ensuring the necessary signatures are present.
27 :
28 : TODO: instruction calling convention: const parameters after non-const.
29 :
30 : Assumptions:
31 : - We do not have more than 256 unique accounts in the callee_instr.
32 : This limit comes from the fact that a Solana transaction cannot
33 : refefence more than 256 unique accounts, due to the transaction
34 : serialization format.
35 : - callee_instr is not null.
36 : - callee_instr->acct_pubkeys is at least as long as callee_instr->acct_cnt
37 : - instr_ctx->txn_ctx->accounts_cnt is less than UCHAR_MAX.
38 : This is likely because the transaction is limited to 256 accounts.
39 : - callee_instr->program_id is set to UCHAR_MAX if account is not in instr_ctx->txn_ctx.
40 : - instruction_accounts is a 256-length empty array.
41 :
42 : Parameters:
43 : - callee_instr
44 : - instr_ctx
45 : - instruction_accounts
46 : - instruction_accounts_cnt
47 : - signers
48 : - signers_cnt
49 :
50 : Returns:
51 : - instruction_accounts
52 : - instruction_accounts_cnt
53 : Populated with the instruction accounts with normalized permissions.
54 :
55 : TODO: is it possible to pass the transaction indexes of the accounts in?
56 : This would allow us to make some of these algorithms more efficient.
57 : */
58 : int
59 : fd_vm_prepare_instruction( fd_instr_info_t * callee_instr,
60 : fd_exec_instr_ctx_t * instr_ctx,
61 : fd_pubkey_t const * callee_program_id_pubkey,
62 : fd_pubkey_t const instr_acct_keys[ FD_TXN_INSTR_ACCT_MAX ],
63 : fd_instruction_account_t instruction_accounts[ FD_TXN_INSTR_ACCT_MAX ],
64 : ulong * instruction_accounts_cnt,
65 : fd_pubkey_t const * signers,
66 2031 : ulong signers_cnt ) {
67 :
68 : /* De-duplicate the instruction accounts, using the same logic as Solana */
69 2031 : ulong deduplicated_instruction_accounts_cnt = 0;
70 2031 : fd_instruction_account_t deduplicated_instruction_accounts[ FD_TXN_INSTR_ACCT_MAX ] = {0};
71 2031 : ulong duplicate_indicies_cnt = 0;
72 2031 : ulong duplicate_indices[ FD_TXN_INSTR_ACCT_MAX ] = {0};
73 2031 : uchar dedup_idx[ MAX_TX_ACCOUNT_LOCKS ]; /* index_in_transaction -> deduplicated index, UCHAR_MAX if none */
74 2031 : memset( dedup_idx, 0xff, sizeof(dedup_idx) );
75 :
76 : /* This function is either called by a true CPI or by a native cpi invocation.
77 : The native CPI invocation is never called with more than 3 instruction
78 : accounts, and the true CPI is never called with more than
79 : FD_TXN_INSTR_ACCT_MAX. */
80 2031 : if( FD_UNLIKELY( callee_instr->acct_cnt > FD_TXN_INSTR_ACCT_MAX ) ) {
81 0 : FD_LOG_CRIT(( "invariant violation: too many accounts %u", callee_instr->acct_cnt ));
82 0 : }
83 :
84 : /* Normalize the privileges of each instruction account in the callee, after de-duping
85 : the account references.
86 : https://github.com/anza-xyz/agave/blob/v4.0.0-beta.7/program-runtime/src/invoke_context.rs#L327-L367 */
87 7243 : for( ulong i=0UL; i<callee_instr->acct_cnt; i++ ) {
88 5332 : ushort index_in_transaction = callee_instr->accounts[i].index_in_transaction;
89 5332 : ushort index_in_caller = callee_instr->accounts[i].index_in_caller;
90 :
91 5332 : if( index_in_transaction==USHORT_MAX ) {
92 : /* In this case the callee instruction is referencing an unknown account not listed in the
93 : transactions accounts. */
94 120 : FD_BASE58_ENCODE_32_BYTES( instr_acct_keys[i].uc, id_b58 );
95 120 : fd_log_collector_msg_many( instr_ctx, 2, "Instruction references an unknown account ", 42UL, id_b58, id_b58_len );
96 120 : FD_TXN_ERR_FOR_LOG_INSTR( instr_ctx->txn_out, FD_EXECUTOR_INSTR_ERR_MISSING_ACC, instr_ctx->txn_out->err.exec_err_idx );
97 120 : return FD_EXECUTOR_INSTR_ERR_MISSING_ACC;
98 120 : }
99 :
100 : /* If there was an instruction account before this one which referenced the same
101 : transaction account index, find it's index in the deduplicated_instruction_accounts
102 : array. */
103 5212 : ulong duplicate_index = dedup_idx[ index_in_transaction ]!=UCHAR_MAX ? (ulong)dedup_idx[ index_in_transaction ] : ULONG_MAX;
104 :
105 : /* If this was account referenced in a previous iteration, update the flags to include those set
106 : in this iteration. This ensures that after all the iterations, the de-duplicated account flags
107 : for each account are the union of all the flags in all the references to that account in this instruction. */
108 :
109 : /* TODO: FD_UNLIKELY? Need to check which branch is more common by running against a larger mainnet ledger */
110 : /* TODO: this code would maybe be easier to read if we inverted the branches */
111 5212 : if( duplicate_index!=ULONG_MAX ) {
112 227 : if ( FD_UNLIKELY( duplicate_index >= deduplicated_instruction_accounts_cnt ) ) {
113 0 : FD_TXN_ERR_FOR_LOG_INSTR( instr_ctx->txn_out, FD_EXECUTOR_INSTR_ERR_MISSING_ACC, instr_ctx->txn_out->err.exec_err_idx );
114 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_ACC;
115 0 : }
116 :
117 227 : duplicate_indices[duplicate_indicies_cnt++] = duplicate_index;
118 227 : fd_instruction_account_t * instruction_account = &deduplicated_instruction_accounts[duplicate_index];
119 227 : instruction_account->is_signer = !!(instruction_account->is_signer | callee_instr->accounts[i].is_signer);
120 227 : instruction_account->is_writable = !!(instruction_account->is_writable | callee_instr->accounts[i].is_writable);
121 4985 : } else {
122 : /* In the case where the callee instruction is NOT a duplicate, we need to
123 : create the deduplicated_instruction_accounts fd_instruction_account_t object. */
124 :
125 : /* Add the instruction account to the duplicate indices array */
126 4985 : dedup_idx[ index_in_transaction ] = (uchar)deduplicated_instruction_accounts_cnt;
127 4985 : duplicate_indices[duplicate_indicies_cnt++] = deduplicated_instruction_accounts_cnt;
128 :
129 : /* Initialize the instruction account in the deduplicated_instruction_accounts array */
130 4985 : fd_instruction_account_t * instruction_account = &deduplicated_instruction_accounts[deduplicated_instruction_accounts_cnt++];
131 4985 : *instruction_account = fd_instruction_account_init( index_in_transaction,
132 4985 : index_in_caller,
133 4985 : (ushort)i,
134 4985 : !!(callee_instr->accounts[i].is_writable),
135 4985 : !!(callee_instr->accounts[i].is_signer) );
136 4985 : }
137 5212 : }
138 :
139 : /* Check the normalized account permissions for privilege escalation.
140 : https://github.com/anza-xyz/agave/blob/v4.0.0-beta.7/program-runtime/src/invoke_context.rs#L369-L419 */
141 5679 : for( ulong i = 0; i < deduplicated_instruction_accounts_cnt; i++ ) {
142 4067 : fd_instruction_account_t * instruction_account = &deduplicated_instruction_accounts[i];
143 :
144 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-beta.7/program-runtime/src/invoke_context.rs#L393-L403 */
145 4067 : ushort caller_idx = instruction_account->index_in_caller;
146 4067 : fd_pubkey_t const * caller_pubkey = NULL;
147 4067 : int err = fd_exec_instr_ctx_get_key_of_account_at_index( instr_ctx, caller_idx, &caller_pubkey );
148 4067 : if( FD_UNLIKELY( err ) ) {
149 1 : FD_TXN_ERR_FOR_LOG_INSTR( instr_ctx->txn_out, FD_EXECUTOR_INSTR_ERR_MISSING_ACC, instr_ctx->txn_out->err.exec_err_idx );
150 1 : return FD_EXECUTOR_INSTR_ERR_MISSING_ACC;
151 1 : }
152 :
153 : /* Check that the account is not read-only in the caller but writable in the callee */
154 4066 : if( FD_UNLIKELY( instruction_account->is_writable && !fd_instr_acc_is_writable_idx( instr_ctx->instr, caller_idx ) ) ) {
155 291 : FD_BASE58_ENCODE_32_BYTES( caller_pubkey->uc, id_b58 );
156 291 : fd_log_collector_msg_many( instr_ctx, 2, id_b58, id_b58_len, "'s writable privilege escalated", 31UL );
157 291 : FD_TXN_ERR_FOR_LOG_INSTR( instr_ctx->txn_out, FD_EXECUTOR_INSTR_ERR_PRIVILEGE_ESCALATION, instr_ctx->txn_out->err.exec_err_idx );
158 291 : return FD_EXECUTOR_INSTR_ERR_PRIVILEGE_ESCALATION;
159 291 : }
160 :
161 : /* If the account is signed in the callee, it must be signed by the caller or the program */
162 3775 : if ( FD_UNLIKELY( instruction_account->is_signer && !( fd_instr_acc_is_signer_idx( instr_ctx->instr, caller_idx, NULL ) || fd_vm_syscall_cpi_is_signer( caller_pubkey, signers, signers_cnt ) ) ) ) {
163 7 : FD_BASE58_ENCODE_32_BYTES( caller_pubkey->uc, id_b58 );
164 7 : fd_log_collector_msg_many( instr_ctx, 2, id_b58, id_b58_len, "'s signer privilege escalated", 29UL );
165 7 : FD_TXN_ERR_FOR_LOG_INSTR( instr_ctx->txn_out, FD_EXECUTOR_INSTR_ERR_PRIVILEGE_ESCALATION, instr_ctx->txn_out->err.exec_err_idx );
166 7 : return FD_EXECUTOR_INSTR_ERR_PRIVILEGE_ESCALATION;
167 7 : }
168 3775 : }
169 :
170 : /* Copy the accounts with their normalized permissions over to the final instruction_accounts array,
171 : and set the callee_instr acct_flags. */
172 5543 : for (ulong i = 0; i < duplicate_indicies_cnt; i++) {
173 3931 : ulong duplicate_index = duplicate_indices[i];
174 :
175 : /* Failing this condition is technically impossible, but it is probably safest to keep this in
176 : so that we throw InstructionError::NotEnoughAccountKeys at the same point at Solana does,
177 : in the event any surrounding code is changed.
178 : https://github.com/anza-xyz/agave/blob/v4.0.0-beta.7/program-runtime/src/invoke_context.rs#L345-L366 */
179 3931 : if ( FD_LIKELY( duplicate_index < deduplicated_instruction_accounts_cnt ) ) {
180 3931 : instruction_accounts[i] = deduplicated_instruction_accounts[duplicate_index];
181 3931 : callee_instr->accounts[i].is_writable = !!(instruction_accounts[i].is_writable);
182 3931 : callee_instr->accounts[i].is_signer = !!(instruction_accounts[i].is_signer);
183 3931 : } else {
184 0 : FD_TXN_ERR_FOR_LOG_INSTR( instr_ctx->txn_out, FD_EXECUTOR_INSTR_ERR_MISSING_ACC, instr_ctx->txn_out->err.exec_err_idx );
185 0 : return FD_EXECUTOR_INSTR_ERR_MISSING_ACC;
186 0 : }
187 3931 : }
188 :
189 : /* Obtain the program account index and return a MissingAccount error if not found.
190 : https://github.com/anza-xyz/agave/blob/v4.0.0-beta.7/program-runtime/src/invoke_context.rs#L421-L436 */
191 1612 : ushort caller_map[ MAX_TX_ACCOUNT_LOCKS ];
192 1612 : fd_exec_instr_ctx_instr_account_map( instr_ctx, caller_map );
193 1612 : ulong program_idx_in_txn = fd_runtime_find_index_of_account( instr_ctx->txn_out, callee_program_id_pubkey );
194 1612 : ulong program_idx = program_idx_in_txn!=ULONG_MAX && caller_map[ program_idx_in_txn ]!=USHORT_MAX ? caller_map[ program_idx_in_txn ] : ULONG_MAX;
195 1612 : if( FD_UNLIKELY( program_idx==ULONG_MAX ) ) {
196 16 : FD_BASE58_ENCODE_32_BYTES( callee_program_id_pubkey->uc, id_b58 );
197 16 : fd_log_collector_msg_many( instr_ctx, 2, "Unknown program ", 16UL, id_b58, id_b58_len );
198 16 : FD_TXN_ERR_FOR_LOG_INSTR( instr_ctx->txn_out, FD_EXECUTOR_INSTR_ERR_MISSING_ACC, instr_ctx->txn_out->err.exec_err_idx );
199 16 : return FD_EXECUTOR_INSTR_ERR_MISSING_ACC;
200 16 : }
201 :
202 1596 : *instruction_accounts_cnt = duplicate_indicies_cnt;
203 :
204 1596 : return 0;
205 1612 : }
206 :
207 : /**********************************************************************
208 : CROSS PROGRAM INVOCATION (Generic logic)
209 : **********************************************************************/
210 :
211 : /* FD_CPI_MAX_SIGNER_CNT is the max amount of PDA signer addresses that
212 : a cross-program invocation can include in an instruction.
213 :
214 : https://github.com/solana-labs/solana/blob/dbf06e258ae418097049e845035d7d5502fe1327/programs/bpf_loader/src/syscalls/mod.rs#L80 */
215 :
216 : #define FD_CPI_MAX_SIGNER_CNT (16UL)
217 :
218 : /* "Maximum number of account info structs that can be used in a single CPI
219 : invocation. A limit on account info structs is effectively the same as
220 : limiting the number of unique accounts.
221 :
222 : https://github.com/solana-labs/solana/blob/dbf06e258ae418097049e845035d7d5502fe1327/sdk/program/src/syscalls/mod.rs#L25
223 : https://github.com/anza-xyz/agave/blob/838c1952595809a31520ff1603a13f2c9123aa51/programs/bpf_loader/src/syscalls/cpi.rs#L1011 */
224 :
225 1330 : #define FD_CPI_MAX_ACCOUNT_INFOS (255UL)
226 :
227 : /* https://github.com/anza-xyz/agave/blob/v3.1.2/program-runtime/src/cpi.rs#L168-L180 */
228 : static inline ulong
229 1330 : get_cpi_max_account_infos( void ) {
230 1330 : return FD_CPI_MAX_ACCOUNT_INFOS;
231 1330 : }
232 :
233 : /* https://github.com/anza-xyz/agave/blob/v3.1.2/program-runtime/src/execution_budget.rs#L25-L31 */
234 : static inline ulong
235 2139 : get_cpi_invoke_unit_cost( void ) {
236 2139 : return FD_VM_INVOKE_UNITS;
237 2139 : }
238 :
239 : /* fd_vm_syscall_cpi_check_instruction contains common instruction acct
240 : count and data sz checks. */
241 :
242 : static int
243 : fd_vm_syscall_cpi_check_instruction( ulong acct_cnt,
244 1988 : ulong data_sz ) {
245 : /* https://github.com/anza-xyz/agave/blob/v3.1.2/program-runtime/src/cpi.rs#L146-L161 */
246 1988 : if( FD_UNLIKELY( acct_cnt > FD_TXN_INSTR_ACCT_MAX ) ) {
247 : // SyscallError::MaxInstructionAccountsExceeded
248 0 : return FD_VM_SYSCALL_ERR_MAX_INSTRUCTION_ACCOUNTS_EXCEEDED;
249 0 : }
250 1988 : if( FD_UNLIKELY( data_sz>FD_RUNTIME_CPI_MAX_INSTR_DATA_LEN ) ) {
251 : // SyscallError::MaxInstructionDataLenExceeded
252 0 : return FD_VM_SYSCALL_ERR_MAX_INSTRUCTION_DATA_LEN_EXCEEDED;
253 0 : }
254 :
255 1988 : return FD_VM_SUCCESS;
256 1988 : }
257 :
258 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-beta.7/program-runtime/src/cpi.rs#L1276-L1311 */
259 : static inline int
260 : fd_vm_cpi_update_caller_account_region( fd_vm_t * vm,
261 : fd_vm_cpi_translated_account_t const * translated_account,
262 13 : fd_borrowed_account_t * borrowed_account ) {
263 13 : fd_vm_cpi_caller_account_t const * caller_account = &translated_account->caller_account;
264 :
265 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-beta.7/program-runtime/src/cpi.rs#L1283-L1290 */
266 13 : ulong address_space_reserved_for_account;
267 13 : if( vm->is_deprecated ) {
268 0 : address_space_reserved_for_account = caller_account->orig_data_len;
269 13 : } else {
270 13 : address_space_reserved_for_account = fd_ulong_sat_add( caller_account->orig_data_len, MAX_PERMITTED_DATA_INCREASE );
271 13 : }
272 :
273 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-beta.7/program-runtime/src/cpi.rs#L1292-L1308 */
274 13 : if( address_space_reserved_for_account > 0UL ) {
275 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-beta.7/program-runtime/src/cpi.rs#L1295-L1297 */
276 13 : fd_vm_acc_region_meta_t * acc_region_meta = &vm->acc_region_metas[ translated_account->index_in_caller ];
277 13 : fd_vm_input_region_t * region = &vm->input_mem_regions[ acc_region_meta->region_idx + 1UL ];
278 :
279 : /* Note that we don't special-case direct mapping here, as Agave does,
280 : because we do not create regions using CoW upon resize like Agave does.
281 :
282 : Therefore we do not need the logic in the Agave code to create a new
283 : region, as we have already created all the regions for each account.
284 :
285 : Therefore we do not have equivalents of Agave's
286 : modify_memory_region_of_account and create_memory_region_of_account
287 : functions, but we instead inline this logic directly below. */
288 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-beta.7/program-runtime/src/cpi.rs#L1301-L1307 */
289 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-beta.7/program-runtime/src/serialization.rs#L23-L35 */
290 13 : region->region_sz = (uint)fd_borrowed_account_get_data_len( borrowed_account );
291 :
292 13 : int err;
293 13 : int is_writable = fd_borrowed_account_can_data_be_changed( borrowed_account, &err );
294 :
295 13 : region->is_writable = (uchar)is_writable && ( err == FD_EXECUTOR_INSTR_SUCCESS );
296 13 : }
297 :
298 13 : return FD_VM_SUCCESS;
299 13 : }
300 :
301 : /**********************************************************************
302 : CROSS PROGRAM INVOCATION HELPERS
303 : **********************************************************************/
304 :
305 : static inline int
306 : fd_vm_syscall_cpi_check_id( fd_pubkey_t const * program_id,
307 12912 : uchar const * loader ) {
308 12912 : return !memcmp( program_id, loader, sizeof(fd_pubkey_t) );
309 12912 : }
310 :
311 : /* fd_vm_syscall_cpi_is_precompile returns true if the given program_id
312 : corresponds to a precompile. It does this by checking against a hardcoded
313 : list of known pre-compiles.
314 :
315 : This mirrors the behaviour in solana_sdk::precompiles::is_precompile
316 : https://github.com/solana-labs/solana/blob/2afde1b028ed4593da5b6c735729d8994c4bfac6/sdk/src/precompiles.rs#L93
317 : */
318 : static inline int
319 1844 : fd_vm_syscall_cpi_is_precompile( fd_pubkey_t const * program_id ) {
320 1844 : return fd_vm_syscall_cpi_check_id(program_id, fd_solana_keccak_secp_256k_program_id.key) |
321 1844 : fd_vm_syscall_cpi_check_id(program_id, fd_solana_ed25519_sig_verify_program_id.key) |
322 1844 : fd_vm_syscall_cpi_check_id(program_id, fd_solana_secp256r1_program_id.key);
323 1844 : }
324 :
325 : /* fd_vm_syscall_cpi_check_authorized_program corresponds to
326 : solana_bpf_loader_program::syscalls::cpi::check_authorized_program:
327 : https://github.com/solana-labs/solana/blob/2afde1b028ed4593da5b6c735729d8994c4bfac6/programs/bpf_loader/src/syscalls/cpi.rs#L1032
328 :
329 : It determines if the given program_id is authorized to execute a CPI call.
330 : Returns 1 if authorized, 0 otherwise.
331 : */
332 : static inline int
333 : fd_vm_syscall_cpi_check_authorized_program( fd_pubkey_t const * program_id,
334 : fd_bank_t * bank,
335 : uchar const * instruction_data,
336 1845 : ulong instruction_data_len ) {
337 : /* FIXME: do this in a branchless manner? using bitwise comparison would probably be faster */
338 1845 : return !( fd_vm_syscall_cpi_check_id(program_id, fd_solana_native_loader_id.key) ||
339 1845 : fd_vm_syscall_cpi_check_id(program_id, fd_solana_bpf_loader_program_id.key) ||
340 1845 : fd_vm_syscall_cpi_check_id(program_id, fd_solana_bpf_loader_deprecated_program_id.key) ||
341 1845 : ( fd_vm_syscall_cpi_check_id(program_id, fd_solana_bpf_loader_upgradeable_program_id.key) &&
342 1845 : !(( instruction_data_len != 0 && instruction_data[0] == FD_BPF_INSTR_UPGRADE ) ||
343 3 : ( instruction_data_len != 0 && instruction_data[0] == FD_BPF_INSTR_SET_AUTHORITY ) ||
344 3 : ( FD_FEATURE_ACTIVE_BANK( bank, enable_bpf_loader_set_authority_checked_ix ) &&
345 1 : ( instruction_data_len != 0 && instruction_data[0] == FD_BPF_INSTR_SET_AUTHORITY_CHECKED )) ||
346 3 : ( instruction_data_len != 0 && instruction_data[0] == FD_BPF_INSTR_CLOSE ))) ||
347 1845 : fd_vm_syscall_cpi_is_precompile( program_id ) );
348 1845 : }
349 :
350 : /* The data and lamports fields are in an Rc<Refcell<T>> in the Rust ABI AccountInfo.
351 : These macros perform the equivalent of Rc<Refcell<T>>.as_ptr() in Agave.
352 : This function doesn't actually touch any memory.
353 : It performs pointer arithmetic.
354 : */
355 : FD_FN_CONST static inline
356 6529 : ulong vm_syscall_cpi_acc_info_rc_refcell_as_ptr( ulong rc_refcell_vaddr ) {
357 6529 : return rc_refcell_vaddr + offsetof(fd_vm_rc_refcell_t, payload);
358 6529 : }
359 :
360 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-beta.3/program-runtime/src/cpi.rs#L508-L514
361 : */
362 : FD_FN_CONST static inline
363 185 : ulong vm_syscall_cpi_data_len_vaddr_c( ulong acct_info_vaddr, ulong data_len_haddr, ulong acct_info_haddr ) {
364 185 : return fd_ulong_sat_sub( fd_ulong_sat_add( acct_info_vaddr, data_len_haddr ), acct_info_haddr );
365 185 : }
366 :
367 : /**********************************************************************
368 : CROSS PROGRAM INVOCATION (C ABI)
369 : **********************************************************************/
370 :
371 : #define VM_SYSCALL_CPI_ABI c
372 1223 : #define VM_SYSCALL_CPI_INSTR_T fd_vm_c_instruction_t
373 : #define VM_SYSCALL_CPI_INSTR_ALIGN (FD_VM_C_INSTRUCTION_ALIGN)
374 : #define VM_SYSCALL_CPI_INSTR_SIZE (FD_VM_C_INSTRUCTION_SIZE)
375 6401 : #define VM_SYSCALL_CPI_ACC_META_T fd_vm_c_account_meta_t
376 : #define VM_SYSCALL_CPI_ACC_META_ALIGN (FD_VM_C_ACCOUNT_META_ALIGN)
377 : #define VM_SYSCALL_CPI_ACC_META_SIZE (FD_VM_C_ACCOUNT_META_SIZE)
378 840 : #define VM_SYSCALL_CPI_ACC_INFO_T fd_vm_c_account_info_t
379 : #define VM_SYSCALL_CPI_ACC_INFO_ALIGN (FD_VM_C_ACCOUNT_INFO_ALIGN)
380 1039 : #define VM_SYSCALL_CPI_ACC_INFO_SIZE (FD_VM_C_ACCOUNT_INFO_SIZE)
381 :
382 : /* VM_SYSCALL_CPI_INSTR_T accessors */
383 : #define VM_SYSCALL_CPI_INSTR_DATA_ADDR( instr ) instr->data_addr
384 3458 : #define VM_SYSCALL_CPI_INSTR_DATA_LEN( instr ) instr->data_len
385 : #define VM_SYSCALL_CPI_INSTR_ACCS_ADDR( instr ) instr->accounts_addr
386 10910 : #define VM_SYSCALL_CPI_INSTR_ACCS_LEN( instr ) instr->accounts_len
387 : #define VM_SYSCALL_CPI_INSTR_PROGRAM_ID( vm, instr ) \
388 1223 : FD_VM_MEM_HADDR_LD( vm, instr->program_id_addr, alignof(uchar), sizeof(fd_pubkey_t) )
389 :
390 : /* VM_SYSCALL_CPI_ACC_META_T accessors */
391 4248 : #define VM_SYSCALL_CPI_ACC_META_IS_WRITABLE( acc_meta ) acc_meta->is_writable
392 4248 : #define VM_SYSCALL_CPI_ACC_META_IS_SIGNER( acc_meta ) acc_meta->is_signer
393 : #define VM_SYSCALL_CPI_ACC_META_PUBKEY( vm, acc_meta ) \
394 5217 : FD_VM_MEM_HADDR_LD( vm, acc_meta->pubkey_addr, alignof(uchar), sizeof(fd_pubkey_t) )
395 :
396 : /* VM_SYSCALL_CPI_ACC_INFO_T accessors */
397 : #define VM_SYSCALL_CPI_ACC_INFO_LAMPORTS_VADDR( vm, acc_info, decl ) \
398 185 : ulong decl = acc_info->lamports_addr;
399 : #define VM_SYSCALL_CPI_ACC_INFO_LAMPORTS( vm, acc_info, decl ) \
400 185 : void * decl = FD_VM_MEM_HADDR_ST( vm, acc_info->lamports_addr, alignof(ulong), sizeof(ulong) );
401 :
402 : /* https://github.com/anza-xyz/agave/blob/v3.0.4/syscalls/src/cpi.rs#L304 */
403 : #define VM_SYSCALL_CPI_ACC_INFO_DATA_VADDR( vm, acc_info, decl ) \
404 185 : ulong decl = acc_info->data_addr;
405 : #define VM_SYSCALL_CPI_ACC_INFO_DATA( vm, acc_info, decl ) \
406 171 : uchar * decl = FD_VM_MEM_SLICE_HADDR_ST( vm, acc_info->data_addr, alignof(uchar), acc_info->data_sz ); \
407 171 : ulong FD_EXPAND_THEN_CONCAT2(decl, _vm_addr) = acc_info->data_addr; \
408 171 : ulong FD_EXPAND_THEN_CONCAT2(decl, _len) = acc_info->data_sz;
409 :
410 : #define VM_SYSCALL_CPI_ACC_INFO_METADATA( vm, acc_info, decl ) \
411 : ulong FD_EXPAND_THEN_CONCAT2(decl, _vm_addr) = acc_info->data_addr; \
412 : ulong FD_EXPAND_THEN_CONCAT2(decl, _len) = acc_info->data_sz;
413 :
414 : #define VM_SYSCALL_CPI_SET_ACC_INFO_DATA_GET_LEN( vm, acc_info, decl ) \
415 0 : ulong FD_EXPAND_THEN_CONCAT2(decl, _len) = acc_info->data_sz;
416 :
417 : #include "fd_vm_syscall_cpi_common.c"
418 :
419 : #undef VM_SYSCALL_CPI_ABI
420 : #undef VM_SYSCALL_CPI_INSTR_T
421 : #undef VM_SYSCALL_CPI_INSTR_ALIGN
422 : #undef VM_SYSCALL_CPI_INSTR_SIZE
423 : #undef VM_SYSCALL_CPI_ACC_META_T
424 : #undef VM_SYSCALL_CPI_ACC_META_ALIGN
425 : #undef VM_SYSCALL_CPI_ACC_META_SIZE
426 : #undef VM_SYSCALL_CPI_ACC_INFO_T
427 : #undef VM_SYSCALL_CPI_ACC_INFO_ALIGN
428 : #undef VM_SYSCALL_CPI_ACC_INFO_SIZE
429 : #undef VM_SYSCALL_CPI_INSTR_DATA_ADDR
430 : #undef VM_SYSCALL_CPI_INSTR_DATA_LEN
431 : #undef VM_SYSCALL_CPI_INSTR_ACCS_ADDR
432 : #undef VM_SYSCALL_CPI_INSTR_ACCS_LEN
433 : #undef VM_SYSCALL_CPI_INSTR_PROGRAM_ID
434 : #undef VM_SYSCALL_CPI_ACC_META_IS_WRITABLE
435 : #undef VM_SYSCALL_CPI_ACC_META_IS_SIGNER
436 : #undef VM_SYSCALL_CPI_ACC_META_PUBKEY
437 : #undef VM_SYSCALL_CPI_ACC_INFO_LAMPORTS_VADDR
438 : #undef VM_SYSCALL_CPI_ACC_INFO_LAMPORTS
439 : #undef VM_SYSCALL_CPI_ACC_INFO_DATA_VADDR
440 : #undef VM_SYSCALL_CPI_ACC_INFO_DATA
441 : #undef VM_SYSCALL_CPI_ACC_INFO_METADATA
442 : #undef VM_SYSCALL_CPI_SET_ACC_INFO_DATA_GET_LEN
443 :
444 : /**********************************************************************
445 : CROSS PROGRAM INVOCATION (Rust ABI)
446 : **********************************************************************/
447 :
448 : #define VM_SYSCALL_CPI_ABI rust
449 916 : #define VM_SYSCALL_CPI_INSTR_T fd_vm_rust_instruction_t
450 : #define VM_SYSCALL_CPI_INSTR_ALIGN (FD_VM_RUST_INSTRUCTION_ALIGN)
451 : #define VM_SYSCALL_CPI_INSTR_SIZE (FD_VM_RUST_INSTRUCTION_SIZE)
452 7470 : #define VM_SYSCALL_CPI_ACC_META_T fd_vm_rust_account_meta_t
453 : #define VM_SYSCALL_CPI_ACC_META_ALIGN (FD_VM_RUST_ACCOUNT_META_ALIGN)
454 : #define VM_SYSCALL_CPI_ACC_META_SIZE (FD_VM_RUST_ACCOUNT_META_SIZE)
455 491 : #define VM_SYSCALL_CPI_ACC_INFO_T fd_vm_rust_account_info_t
456 : #define VM_SYSCALL_CPI_ACC_INFO_ALIGN (FD_VM_RUST_ACCOUNT_INFO_ALIGN)
457 498 : #define VM_SYSCALL_CPI_ACC_INFO_SIZE (FD_VM_RUST_ACCOUNT_INFO_SIZE)
458 :
459 : /* VM_SYSCALL_CPI_INSTR_T accessors */
460 : #define VM_SYSCALL_CPI_INSTR_DATA_ADDR( instr ) instr->data.addr
461 2304 : #define VM_SYSCALL_CPI_INSTR_DATA_LEN( instr ) instr->data.len
462 : #define VM_SYSCALL_CPI_INSTR_ACCS_ADDR( instr ) instr->accounts.addr
463 10349 : #define VM_SYSCALL_CPI_INSTR_ACCS_LEN( instr ) instr->accounts.len
464 915 : #define VM_SYSCALL_CPI_INSTR_PROGRAM_ID( vm, instr ) instr->pubkey
465 :
466 : /* VM_SYSCALL_CPI_ACC_META_T accessors */
467 6310 : #define VM_SYSCALL_CPI_ACC_META_IS_WRITABLE( acc_meta ) acc_meta->is_writable
468 6310 : #define VM_SYSCALL_CPI_ACC_META_IS_SIGNER( acc_meta ) acc_meta->is_signer
469 6544 : #define VM_SYSCALL_CPI_ACC_META_PUBKEY( vm, acc_meta ) acc_meta->pubkey
470 :
471 : /* VM_SYSCALL_CPI_ACC_INFO_T accessors */
472 :
473 : /* The lamports and the account data are stored behind RefCells,
474 : so we have an additional layer of indirection to unwrap. */
475 : #define VM_SYSCALL_CPI_ACC_INFO_LAMPORTS_VADDR( vm, acc_info, decl ) \
476 953 : void const * FD_EXPAND_THEN_CONCAT2(decl, _hptr_) = \
477 953 : FD_VM_MEM_HADDR_LD( vm, vm_syscall_cpi_acc_info_rc_refcell_as_ptr( acc_info->lamports_box_addr ), FD_VM_RC_REFCELL_ALIGN, sizeof(ulong) ); \
478 953 : /* Extract the vaddr embedded in the RefCell */ \
479 953 : ulong decl = FD_LOAD( ulong, FD_EXPAND_THEN_CONCAT2(decl, _hptr_) );
480 :
481 : /* https://github.com/anza-xyz/agave/blob/v3.0.4/syscalls/src/cpi.rs#L184-L195 */
482 : #define VM_SYSCALL_CPI_ACC_INFO_LAMPORTS( vm, acc_info, decl ) \
483 934 : ulong FD_EXPAND_THEN_CONCAT2(decl, _vaddr_) = \
484 934 : FD_LOAD( ulong, FD_VM_MEM_HADDR_LD( vm, vm_syscall_cpi_acc_info_rc_refcell_as_ptr( acc_info->lamports_box_addr ), FD_VM_RC_REFCELL_ALIGN, sizeof(ulong) ) ); \
485 934 : void * decl = FD_VM_MEM_HADDR_ST( vm, FD_EXPAND_THEN_CONCAT2(decl, _vaddr_), alignof(ulong), sizeof(ulong) );
486 :
487 : /* https://github.com/anza-xyz/agave/blob/v4.0.0-beta.3/program-runtime/src/cpi.rs#L367-L378 */
488 : #define VM_SYSCALL_CPI_ACC_INFO_DATA_VADDR( vm, acc_info, decl ) \
489 934 : if( FD_UNLIKELY( vm->syscall_parameter_address_restrictions && \
490 934 : vm_syscall_cpi_acc_info_rc_refcell_as_ptr( acc_info->data_box_addr ) >= FD_VM_MEM_MAP_INPUT_REGION_START ) ) { \
491 0 : FD_VM_ERR_FOR_LOG_SYSCALL( vm, FD_VM_SYSCALL_ERR_INVALID_POINTER ); \
492 0 : return FD_VM_SYSCALL_ERR_INVALID_POINTER; \
493 0 : } \
494 934 : /* Translate the vaddr to the slice */ \
495 934 : fd_vm_vec_t const * FD_EXPAND_THEN_CONCAT2(decl, _hptr_) = \
496 934 : FD_VM_MEM_HADDR_LD( vm, vm_syscall_cpi_acc_info_rc_refcell_as_ptr( acc_info->data_box_addr ), FD_VM_RC_REFCELL_ALIGN, sizeof(fd_vm_vec_t) ); \
497 934 : /* Extract the vaddr embedded in the slice */ \
498 934 : ulong decl = FD_EXPAND_THEN_CONCAT2(decl, _hptr_)->addr;
499 :
500 : /* https://github.com/anza-xyz/agave/blob/v3.0.4/syscalls/src/cpi.rs#L212-L221 */
501 : #define VM_SYSCALL_CPI_ACC_INFO_DATA_LEN_VADDR( vm, acc_info, decl ) \
502 925 : ulong decl = fd_ulong_sat_add( vm_syscall_cpi_acc_info_rc_refcell_as_ptr( acc_info->data_box_addr ), sizeof(ulong) );
503 :
504 : #define VM_SYSCALL_CPI_ACC_INFO_DATA( vm, acc_info, decl ) \
505 : /* Translate the vaddr to the slice */ \
506 896 : fd_vm_vec_t const * FD_EXPAND_THEN_CONCAT2(decl, _hptr_) = \
507 896 : FD_VM_MEM_HADDR_LD( vm, vm_syscall_cpi_acc_info_rc_refcell_as_ptr( acc_info->data_box_addr ), FD_VM_RC_REFCELL_ALIGN, sizeof(fd_vm_vec_t) ); \
508 896 : /* Declare the vaddr of the slice's underlying byte array */ \
509 896 : ulong FD_EXPAND_THEN_CONCAT2(decl, _vm_addr) = FD_EXPAND_THEN_CONCAT2(decl, _hptr_)->addr; \
510 896 : /* Declare the size of the slice's underlying byte array */ \
511 896 : ulong FD_EXPAND_THEN_CONCAT2(decl, _len) = FD_EXPAND_THEN_CONCAT2(decl, _hptr_)->len; \
512 896 : /* Translate the vaddr to the underlying byte array */ \
513 896 : uchar * decl = FD_VM_MEM_SLICE_HADDR_ST( \
514 896 : vm, FD_EXPAND_THEN_CONCAT2(decl, _hptr_)->addr, alignof(uchar), FD_EXPAND_THEN_CONCAT2(decl, _hptr_)->len );
515 :
516 : #define VM_SYSCALL_CPI_ACC_INFO_METADATA( vm, acc_info, decl ) \
517 : /* Translate the vaddr to the slice */ \
518 : fd_vm_vec_t const * FD_EXPAND_THEN_CONCAT2(decl, _hptr_) = \
519 : FD_VM_MEM_HADDR_LD( vm, vm_syscall_cpi_acc_info_rc_refcell_as_ptr( acc_info->data_box_addr ), FD_VM_RC_REFCELL_ALIGN, sizeof(fd_vm_vec_t) ); \
520 : /* Declare the vaddr of the slice's underlying byte array */ \
521 : ulong FD_EXPAND_THEN_CONCAT2(decl, _vm_addr) = FD_EXPAND_THEN_CONCAT2(decl, _hptr_)->addr; \
522 : /* Declare the size of the slice's underlying byte array */ \
523 : ulong FD_EXPAND_THEN_CONCAT2(decl, _len) = FD_EXPAND_THEN_CONCAT2(decl, _hptr_)->len;
524 :
525 : #define VM_SYSCALL_CPI_ACC_INFO_LAMPORTS_RC_REFCELL_VADDR( vm, acc_info, decl ) \
526 953 : ulong decl = vm_syscall_cpi_acc_info_rc_refcell_as_ptr( acc_info->lamports_box_addr );
527 :
528 : #define VM_SYSCALL_CPI_ACC_INFO_DATA_RC_REFCELL_VADDR( vm, acc_info, decl ) \
529 : ulong decl = vm_syscall_cpi_acc_info_rc_refcell_as_ptr( acc_info->data_box_addr );
530 :
531 : #define VM_SYSCALL_CPI_SET_ACC_INFO_DATA_GET_LEN( vm, acc_info, decl ) \
532 0 : ulong FD_EXPAND_THEN_CONCAT2(decl, _len) = FD_EXPAND_THEN_CONCAT2(decl, _hptr_)->len;
533 :
534 : #include "fd_vm_syscall_cpi_common.c"
535 :
536 : #undef VM_SYSCALL_CPI_ABI
537 : #undef VM_SYSCALL_CPI_INSTR_T
538 : #undef VM_SYSCALL_CPI_INSTR_ALIGN
539 : #undef VM_SYSCALL_CPI_INSTR_SIZE
540 : #undef VM_SYSCALL_CPI_ACC_META_T
541 : #undef VM_SYSCALL_CPI_ACC_META_ALIGN
542 : #undef VM_SYSCALL_CPI_ACC_META_SIZE
543 : #undef VM_SYSCALL_CPI_ACC_INFO_T
544 : #undef VM_SYSCALL_CPI_ACC_INFO_ALIGN
545 : #undef VM_SYSCALL_CPI_ACC_INFO_SIZE
546 : #undef VM_SYSCALL_CPI_INSTR_DATA_ADDR
547 : #undef VM_SYSCALL_CPI_INSTR_DATA_LEN
548 : #undef VM_SYSCALL_CPI_INSTR_ACCS_ADDR
549 : #undef VM_SYSCALL_CPI_INSTR_ACCS_LEN
550 : #undef VM_SYSCALL_CPI_INSTR_PROGRAM_ID
551 : #undef VM_SYSCALL_CPI_ACC_META_IS_WRITABLE
552 : #undef VM_SYSCALL_CPI_ACC_META_IS_SIGNER
553 : #undef VM_SYSCALL_CPI_ACC_META_PUBKEY
554 : #undef VM_SYSCALL_CPI_ACC_INFO_LAMPORTS_VADDR
555 : #undef VM_SYSCALL_CPI_ACC_INFO_LAMPORTS
556 : #undef VM_SYSCALL_CPI_ACC_INFO_DATA_VADDR
557 : #undef VM_SYSCALL_CPI_ACC_INFO_DATA
558 : #undef VM_SYSCALL_CPI_ACC_INFO_DATA_LEN_VADDR
559 : #undef VM_SYSCALL_CPI_ACC_INFO_METADATA
560 : #undef VM_SYSCALL_CPI_ACC_INFO_LAMPORTS_RC_REFCELL_VADDR
561 : #undef VM_SYSCALL_CPI_ACC_INFO_DATA_RC_REFCELL_VADDR
562 : #undef VM_SYSCALL_CPI_SET_ACC_INFO_DATA_GET_LEN
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