Line data Source code
1 : #include "fd_vm_private.h"
2 : #include "../../ballet/sbpf/fd_sbpf_instr.h"
3 : #include "../../ballet/sbpf/fd_sbpf_opcodes.h"
4 :
5 : /* fd_vm_syscall_strerror() returns the error message corresponding to err,
6 : intended to be logged by log_collector, or an empty string if the error code
7 : should be omitted in logs for whatever reason. Omitted examples are success,
8 : panic (logged in place)...
9 : See also fd_log_collector_program_failure(). */
10 : char const *
11 175 : fd_vm_syscall_strerror( int err ) {
12 :
13 175 : switch( err ) {
14 :
15 5 : case FD_VM_SYSCALL_ERR_INVALID_STRING: return "invalid utf-8 sequence"; // truncated
16 12 : case FD_VM_SYSCALL_ERR_ABORT: return "SBF program panicked";
17 10 : case FD_VM_SYSCALL_ERR_PANIC: return "SBF program Panicked in..."; // truncated
18 0 : case FD_VM_SYSCALL_ERR_INVOKE_CONTEXT_BORROW_FAILED: return "Cannot borrow invoke context";
19 0 : case FD_VM_SYSCALL_ERR_MALFORMED_SIGNER_SEED: return "Malformed signer seed"; // truncated
20 4 : case FD_VM_SYSCALL_ERR_BAD_SEEDS: return "Could not create program address with signer seeds"; // truncated
21 1 : case FD_VM_SYSCALL_ERR_PROGRAM_NOT_SUPPORTED: return "Program not supported by inner instructions"; // truncated
22 91 : case FD_VM_SYSCALL_ERR_UNALIGNED_POINTER: return "Unaligned pointer";
23 8 : case FD_VM_SYSCALL_ERR_TOO_MANY_SIGNERS: return "Too many signers";
24 0 : case FD_VM_SYSCALL_ERR_INSTRUCTION_TOO_LARGE: return "Instruction passed to inner instruction is too large"; // truncated
25 0 : case FD_VM_SYSCALL_ERR_TOO_MANY_ACCOUNTS: return "Too many accounts passed to inner instruction";
26 9 : case FD_VM_SYSCALL_ERR_COPY_OVERLAPPING: return "Overlapping copy";
27 0 : case FD_VM_SYSCALL_ERR_RETURN_DATA_TOO_LARGE: return "Return data too large"; // truncated
28 3 : case FD_VM_SYSCALL_ERR_TOO_MANY_SLICES: return "Hashing too many sequences";
29 20 : case FD_VM_SYSCALL_ERR_INVALID_LENGTH: return "InvalidLength";
30 0 : case FD_VM_SYSCALL_ERR_MAX_INSTRUCTION_DATA_LEN_EXCEEDED: return "Invoked an instruction with data that is too large"; // truncated
31 0 : case FD_VM_SYSCALL_ERR_MAX_INSTRUCTION_ACCOUNTS_EXCEEDED: return "Invoked an instruction with too many accounts"; // truncated
32 0 : case FD_VM_SYSCALL_ERR_MAX_INSTRUCTION_ACCOUNT_INFOS_EXCEEDED: return "Invoked an instruction with too many account info's"; // truncated
33 10 : case FD_VM_SYSCALL_ERR_INVALID_ATTRIBUTE: return "InvalidAttribute";
34 0 : case FD_VM_SYSCALL_ERR_INVALID_POINTER: return "Invalid pointer";
35 0 : case FD_VM_SYSCALL_ERR_ARITHMETIC_OVERFLOW: return "Arithmetic overflow";
36 :
37 0 : case FD_VM_SYSCALL_ERR_INSTR_ERR: return "Instruction error";
38 0 : case FD_VM_SYSCALL_ERR_INVALID_PDA: return "Invalid PDA";
39 0 : case FD_VM_SYSCALL_ERR_COMPUTE_BUDGET_EXCEEDED: return "Compute budget exceeded";
40 0 : case FD_VM_SYSCALL_ERR_SEGFAULT: return "Segmentation fault";
41 0 : case FD_VM_SYSCALL_ERR_OUTSIDE_RUNTIME: return "Syscall executed outside runtime";
42 :
43 :
44 1 : case FD_VM_SYSCALL_ERR_POSEIDON_INVALID_PARAMS: return "Invalid parameters.";
45 1 : case FD_VM_SYSCALL_ERR_POSEIDON_INVALID_ENDIANNESS: return "Invalid endianness.";
46 :
47 0 : default: break;
48 175 : }
49 :
50 0 : return "";
51 175 : }
52 :
53 : /* fd_vm_ebpf_strerror() returns the error message corresponding to err,
54 : intended to be logged by log_collector, or an empty string if the error code
55 : should be omitted in logs for whatever reason.
56 : See also fd_log_collector_program_failure(). */
57 : char const *
58 1921 : fd_vm_ebpf_strerror( int err ) {
59 :
60 1921 : switch( err ) {
61 :
62 0 : case FD_VM_ERR_EBPF_ELF_ERROR: return "ELF error"; // truncated
63 0 : case FD_VM_ERR_EBPF_FUNCTION_ALREADY_REGISTERED: return "function was already registered"; // truncated
64 1 : case FD_VM_ERR_EBPF_CALL_DEPTH_EXCEEDED: return "exceeded max BPF to BPF call depth";
65 0 : case FD_VM_ERR_EBPF_EXIT_ROOT_CALL_FRAME: return "attempted to exit root call frame";
66 1 : case FD_VM_ERR_EBPF_DIVIDE_BY_ZERO: return "divide by zero at BPF instruction";
67 0 : case FD_VM_ERR_EBPF_DIVIDE_OVERFLOW: return "division overflow at BPF instruction";
68 1 : case FD_VM_ERR_EBPF_EXECUTION_OVERRUN: return "attempted to execute past the end of the text segment at BPF instruction";
69 2 : case FD_VM_ERR_EBPF_CALL_OUTSIDE_TEXT_SEGMENT: return "callx attempted to call outside of the text segment";
70 1332 : case FD_VM_ERR_EBPF_EXCEEDED_MAX_INSTRUCTIONS: return "exceeded CUs meter at BPF instruction";
71 0 : case FD_VM_ERR_EBPF_JIT_NOT_COMPILED: return "program has not been JIT-compiled";
72 0 : case FD_VM_ERR_EBPF_INVALID_VIRTUAL_ADDRESS: return "invalid virtual address"; // truncated
73 0 : case FD_VM_ERR_EBPF_INVALID_MEMORY_REGION: return "Invalid memory region at index"; // truncated
74 519 : case FD_VM_ERR_EBPF_ACCESS_VIOLATION: return "Access violation"; // truncated
75 37 : case FD_VM_ERR_EBPF_STACK_ACCESS_VIOLATION: return "Access violation in stack frame"; // truncated
76 0 : case FD_VM_ERR_EBPF_INVALID_INSTRUCTION: return "invalid BPF instruction";
77 28 : case FD_VM_ERR_EBPF_UNSUPPORTED_INSTRUCTION: return "unsupported BPF instruction";
78 0 : case FD_VM_ERR_EBPF_EXHAUSTED_TEXT_SEGMENT: return "Compilation exhausted text segment at BPF instruction"; // truncated
79 0 : case FD_VM_ERR_EBPF_LIBC_INVOCATION_FAILED: return "Libc calling returned error code"; // truncated
80 0 : case FD_VM_ERR_EBPF_VERIFIER_ERROR: return "Verifier error"; // truncated
81 0 : case FD_VM_ERR_EBPF_SYSCALL_ERROR: return ""; // handled explicitly via fd_vm_syscall_strerror()
82 :
83 0 : default: break;
84 1921 : }
85 :
86 0 : return "";
87 1921 : }
88 :
89 : /* fd_vm_strerror() returns the error message corresponding to err, used internally
90 : for system logs, NOT for log_collector / transaction logs. */
91 : char const *
92 0 : fd_vm_strerror( int err ) {
93 :
94 0 : switch( err ) {
95 :
96 : /* "Standard" Firedancer error codes */
97 :
98 0 : case FD_VM_SUCCESS: return "SUCCESS success";
99 0 : case FD_VM_ERR_INVAL: return "INVAL invalid request";
100 0 : case FD_VM_ERR_UNSUP: return "UNSUP unsupported request";
101 0 : case FD_VM_ERR_FULL: return "FULL storage full";
102 0 : case FD_VM_ERR_EMPTY: return "EMPTY nothing to do";
103 0 : case FD_VM_ERR_IO: return "IO input-output error";
104 :
105 : /* VM exec error codes */
106 :
107 0 : case FD_VM_ERR_SIGFPE: return "SIGFPE division by zero";
108 :
109 : /* VM validate error codes */
110 :
111 0 : case FD_VM_ERR_INVALID_OPCODE: return "INVALID_OPCODE detected an invalid opcode";
112 0 : case FD_VM_ERR_INVALID_SRC_REG: return "INVALID_SRC_REG detected an invalid source register";
113 0 : case FD_VM_ERR_INVALID_DST_REG: return "INVALID_DST_REG detected an invalid destination register";
114 0 : case FD_VM_ERR_JMP_OUT_OF_BOUNDS: return "JMP_OUT_OF_BOUNDS detected an out of bounds jump";
115 0 : case FD_VM_ERR_JMP_TO_ADDL_IMM: return "JMP_TO_ADDL_IMM detected a jump to an addl imm";
116 0 : case FD_VM_ERR_INVALID_END_IMM: return "INVALID_END_IMM detected an invalid immediate for an endianness conversion instruction";
117 0 : case FD_VM_ERR_INCOMPLETE_LDQ: return "INCOMPLETE_LDQ detected an incomplete ldq at program end";
118 0 : case FD_VM_ERR_LDQ_NO_ADDL_IMM: return "LDQ_NO_ADDL_IMM detected a ldq without an addl imm following it";
119 0 : case FD_VM_ERR_INVALID_REG: return "INVALID_REG detected an invalid register number in a callx instruction";
120 0 : case FD_VM_ERR_BAD_TEXT: return "BAD_TEXT detected a bad text section";
121 0 : case FD_VM_SH_OVERFLOW: return "SH_OVERFLOW detected a shift overflow in an instruction";
122 0 : case FD_VM_TEXT_SZ_UNALIGNED: return "TEXT_SZ_UNALIGNED detected an unaligned text section size (not a multiple of 8)";
123 :
124 0 : default: break;
125 0 : }
126 :
127 0 : return "UNKNOWN probably not a FD_VM_ERR code";
128 0 : }
129 :
130 : /* FIXME: add a pedantic version of this validation that does things
131 : like:
132 : - only 0 imms when the instruction does not use an imm
133 : - same as above but for src/dst reg, offset */
134 : /* FIXME: HANDLING OF LDQ ON NEWER SBPF VERSUS OLDER SBPF (AND WITH CALL
135 : REG) */
136 : /* FIXME: LINK TO SOLANA CODE VALIDATE AND DOUBLE CHECK THIS BEHAVES
137 : IDENTICALLY! */
138 :
139 : int
140 10161 : fd_vm_validate( fd_vm_t const * vm ) {
141 :
142 10161 : ulong sbpf_version = vm->sbpf_version;
143 :
144 : /* A mapping of all the possible 1-byte sBPF opcodes to their
145 : validation criteria. */
146 :
147 74970373 : # define FD_VALID ((uchar)0) /* Valid opcode */
148 19945340 : # define FD_CHECK_JMP ((uchar)1) /* Validation should check that the instruction is a valid jump */
149 35811 : # define FD_CHECK_END ((uchar)2) /* Validation should check that the instruction is a valid endianness conversion */
150 18616251 : # define FD_CHECK_ST ((uchar)3) /* Validation should check that the instruction is a valid store */
151 6527427 : # define FD_CHECK_LDQ ((uchar)4) /* Validation should check that the instruction is a valid load-quad */
152 248809 : # define FD_CHECK_DIV ((uchar)5) /* Validation should check that the instruction is a valid division by immediate */
153 30852 : # define FD_CHECK_SH32 ((uchar)6) /* Validation should check that the immediate is a valid 32-bit shift exponent */
154 7467823 : # define FD_CHECK_SH64 ((uchar)7) /* Validation should check that the immediate is a valid 64-bit shift exponent */
155 2148118 : # define FD_INVALID ((uchar)8) /* The opcode is invalid */
156 10838 : # define FD_CHECK_CALL_REG ((uchar)9) /* Validation should check that callx has valid register number */
157 494197 : # define FD_CHECK_CALL_REG_DEPR ((uchar)10) /* Older / deprecated FD_CHECK_CALLX */
158 10161 : # define FD_CHECK_CALL_IMM ((uchar)11) /* Check call against functions registry */
159 10161 : # define FD_CHECK_SYSCALL ((uchar)12) /* Check call against syscalls registry */
160 :
161 10161 : uchar validation_map[ 256 ] = {
162 : /* 0x00 */ FD_INVALID, /* 0x01 */ FD_INVALID, /* 0x02 */ FD_INVALID, /* 0x03 */ FD_INVALID,
163 : /* 0x04 */ FD_VALID, /* 0x05 */ FD_CHECK_JMP, /* 0x06 */ FD_INVALID, /* 0x07 */ FD_VALID,
164 : /* 0x08 */ FD_INVALID, /* 0x09 */ FD_INVALID, /* 0x0a */ FD_INVALID, /* 0x0b */ FD_INVALID,
165 : /* 0x0c */ FD_VALID, /* 0x0d */ FD_INVALID, /* 0x0e */ FD_INVALID, /* 0x0f */ FD_VALID,
166 : /* 0x10 */ FD_INVALID, /* 0x11 */ FD_INVALID, /* 0x12 */ FD_INVALID, /* 0x13 */ FD_INVALID,
167 : /* 0x14 */ FD_VALID, /* 0x15 */ FD_CHECK_JMP, /* 0x16 */ FD_INVALID, /* 0x17 */ FD_VALID,
168 : /* 0x18 */ FD_INVALID, /* 0x19 */ FD_INVALID, /* 0x1a */ FD_INVALID, /* 0x1b */ FD_INVALID,
169 : /* 0x1c */ FD_VALID, /* 0x1d */ FD_CHECK_JMP, /* 0x1e */ FD_INVALID, /* 0x1f */ FD_VALID,
170 : /* 0x20 */ FD_INVALID, /* 0x21 */ FD_INVALID, /* 0x22 */ FD_INVALID, /* 0x23 */ FD_INVALID,
171 : /* 0x24 */ FD_INVALID, /* 0x25 */ FD_CHECK_JMP, /* 0x26 */ FD_INVALID, /* 0x27 */ FD_CHECK_ST,
172 : /* 0x28 */ FD_INVALID, /* 0x29 */ FD_INVALID, /* 0x2a */ FD_INVALID, /* 0x2b */ FD_INVALID,
173 : /* 0x2c */ FD_VALID, /* 0x2d */ FD_CHECK_JMP, /* 0x2e */ FD_INVALID, /* 0x2f */ FD_CHECK_ST,
174 : /* 0x30 */ FD_INVALID, /* 0x31 */ FD_INVALID, /* 0x32 */ FD_INVALID, /* 0x33 */ FD_INVALID,
175 : /* 0x34 */ FD_INVALID, /* 0x35 */ FD_CHECK_JMP, /* 0x36 */ FD_VALID, /* 0x37 */ FD_CHECK_ST,
176 : /* 0x38 */ FD_INVALID, /* 0x39 */ FD_INVALID, /* 0x3a */ FD_INVALID, /* 0x3b */ FD_INVALID,
177 : /* 0x3c */ FD_VALID, /* 0x3d */ FD_CHECK_JMP, /* 0x3e */ FD_VALID, /* 0x3f */ FD_CHECK_ST,
178 : /* 0x40 */ FD_INVALID, /* 0x41 */ FD_INVALID, /* 0x42 */ FD_INVALID, /* 0x43 */ FD_INVALID,
179 : /* 0x44 */ FD_VALID, /* 0x45 */ FD_CHECK_JMP, /* 0x46 */ FD_CHECK_DIV, /* 0x47 */ FD_VALID,
180 : /* 0x48 */ FD_INVALID, /* 0x49 */ FD_INVALID, /* 0x4a */ FD_INVALID, /* 0x4b */ FD_INVALID,
181 : /* 0x4c */ FD_VALID, /* 0x4d */ FD_CHECK_JMP, /* 0x4e */ FD_VALID, /* 0x4f */ FD_VALID,
182 : /* 0x50 */ FD_INVALID, /* 0x51 */ FD_INVALID, /* 0x52 */ FD_INVALID, /* 0x53 */ FD_INVALID,
183 : /* 0x54 */ FD_VALID, /* 0x55 */ FD_CHECK_JMP, /* 0x56 */ FD_CHECK_DIV, /* 0x57 */ FD_VALID,
184 : /* 0x58 */ FD_INVALID, /* 0x59 */ FD_INVALID, /* 0x5a */ FD_INVALID, /* 0x5b */ FD_INVALID,
185 : /* 0x5c */ FD_VALID, /* 0x5d */ FD_CHECK_JMP, /* 0x5e */ FD_VALID, /* 0x5f */ FD_VALID,
186 : /* 0x60 */ FD_INVALID, /* 0x61 */ FD_INVALID, /* 0x62 */ FD_INVALID, /* 0x63 */ FD_INVALID,
187 : /* 0x64 */ FD_CHECK_SH32, /* 0x65 */ FD_CHECK_JMP, /* 0x66 */ FD_CHECK_DIV, /* 0x67 */ FD_CHECK_SH64,
188 : /* 0x68 */ FD_INVALID, /* 0x69 */ FD_INVALID, /* 0x6a */ FD_INVALID, /* 0x6b */ FD_INVALID,
189 : /* 0x6c */ FD_VALID, /* 0x6d */ FD_CHECK_JMP, /* 0x6e */ FD_VALID, /* 0x6f */ FD_VALID,
190 : /* 0x70 */ FD_INVALID, /* 0x71 */ FD_INVALID, /* 0x72 */ FD_INVALID, /* 0x73 */ FD_INVALID,
191 : /* 0x74 */ FD_CHECK_SH32, /* 0x75 */ FD_CHECK_JMP, /* 0x76 */ FD_CHECK_DIV, /* 0x77 */ FD_CHECK_SH64,
192 : /* 0x78 */ FD_INVALID, /* 0x79 */ FD_INVALID, /* 0x7a */ FD_INVALID, /* 0x7b */ FD_INVALID,
193 : /* 0x7c */ FD_VALID, /* 0x7d */ FD_CHECK_JMP, /* 0x7e */ FD_VALID, /* 0x7f */ FD_VALID,
194 : /* 0x80 */ FD_INVALID, /* 0x81 */ FD_INVALID, /* 0x82 */ FD_INVALID, /* 0x83 */ FD_INVALID,
195 : /* 0x84 */ FD_INVALID, /* 0x85 */ FD_VALID, /* 0x86 */ FD_VALID, /* 0x87 */ FD_CHECK_ST,
196 : /* 0x88 */ FD_INVALID, /* 0x89 */ FD_INVALID, /* 0x8a */ FD_INVALID, /* 0x8b */ FD_INVALID,
197 : /* 0x8c */ FD_VALID, /* 0x8d */ FD_CHECK_CALL_REG,/*0x8e*/FD_VALID, /* 0x8f */ FD_CHECK_ST,
198 : /* 0x90 */ FD_INVALID, /* 0x91 */ FD_INVALID, /* 0x92 */ FD_INVALID, /* 0x93 */ FD_INVALID,
199 : /* 0x94 */ FD_INVALID, /* 0x95 */ FD_VALID, /* 0x96 */ FD_VALID, /* 0x97 */ FD_CHECK_ST,
200 : /* 0x98 */ FD_INVALID, /* 0x99 */ FD_INVALID, /* 0x9a */ FD_INVALID, /* 0x9b */ FD_INVALID,
201 : /* 0x9c */ FD_VALID, /* 0x9d */ FD_INVALID, /* 0x9e */ FD_VALID, /* 0x9f */ FD_CHECK_ST,
202 : /* 0xa0 */ FD_INVALID, /* 0xa1 */ FD_INVALID, /* 0xa2 */ FD_INVALID, /* 0xa3 */ FD_INVALID,
203 : /* 0xa4 */ FD_VALID, /* 0xa5 */ FD_CHECK_JMP, /* 0xa6 */ FD_INVALID, /* 0xa7 */ FD_VALID,
204 : /* 0xa8 */ FD_INVALID, /* 0xa9 */ FD_INVALID, /* 0xaa */ FD_INVALID, /* 0xab */ FD_INVALID,
205 : /* 0xac */ FD_VALID, /* 0xad */ FD_CHECK_JMP, /* 0xae */ FD_INVALID, /* 0xaf */ FD_VALID,
206 : /* 0xb0 */ FD_INVALID, /* 0xb1 */ FD_INVALID, /* 0xb2 */ FD_INVALID, /* 0xb3 */ FD_INVALID,
207 : /* 0xb4 */ FD_VALID, /* 0xb5 */ FD_CHECK_JMP, /* 0xb6 */ FD_VALID, /* 0xb7 */ FD_VALID,
208 : /* 0xb8 */ FD_INVALID, /* 0xb9 */ FD_INVALID, /* 0xba */ FD_INVALID, /* 0xbb */ FD_INVALID,
209 : /* 0xbc */ FD_VALID, /* 0xbd */ FD_CHECK_JMP, /* 0xbe */ FD_VALID, /* 0xbf */ FD_VALID,
210 : /* 0xc0 */ FD_INVALID, /* 0xc1 */ FD_INVALID, /* 0xc2 */ FD_INVALID, /* 0xc3 */ FD_INVALID,
211 : /* 0xc4 */ FD_CHECK_SH32, /* 0xc5 */ FD_CHECK_JMP, /* 0xc6 */ FD_CHECK_DIV, /* 0xc7 */ FD_CHECK_SH64,
212 : /* 0xc8 */ FD_INVALID, /* 0xc9 */ FD_INVALID, /* 0xca */ FD_INVALID, /* 0xcb */ FD_INVALID,
213 : /* 0xcc */ FD_VALID, /* 0xcd */ FD_CHECK_JMP, /* 0xce */ FD_VALID, /* 0xcf */ FD_VALID,
214 : /* 0xd0 */ FD_INVALID, /* 0xd1 */ FD_INVALID, /* 0xd2 */ FD_INVALID, /* 0xd3 */ FD_INVALID,
215 : /* 0xd4 */ FD_INVALID, /* 0xd5 */ FD_CHECK_JMP, /* 0xd6 */ FD_CHECK_DIV, /* 0xd7 */ FD_INVALID,
216 : /* 0xd8 */ FD_INVALID, /* 0xd9 */ FD_INVALID, /* 0xda */ FD_INVALID, /* 0xdb */ FD_INVALID,
217 : /* 0xdc */ FD_CHECK_END, /* 0xdd */ FD_CHECK_JMP, /* 0xde */ FD_VALID, /* 0xdf */ FD_INVALID,
218 : /* 0xe0 */ FD_INVALID, /* 0xe1 */ FD_INVALID, /* 0xe2 */ FD_INVALID, /* 0xe3 */ FD_INVALID,
219 : /* 0xe4 */ FD_INVALID, /* 0xe5 */ FD_INVALID, /* 0xe6 */ FD_CHECK_DIV, /* 0xe7 */ FD_INVALID,
220 : /* 0xe8 */ FD_INVALID, /* 0xe9 */ FD_INVALID, /* 0xea */ FD_INVALID, /* 0xeb */ FD_INVALID,
221 : /* 0xec */ FD_INVALID, /* 0xed */ FD_INVALID, /* 0xee */ FD_VALID, /* 0xef */ FD_INVALID,
222 : /* 0xf0 */ FD_INVALID, /* 0xf1 */ FD_INVALID, /* 0xf2 */ FD_INVALID, /* 0xf3 */ FD_INVALID,
223 : /* 0xf4 */ FD_INVALID, /* 0xf5 */ FD_INVALID, /* 0xf6 */ FD_CHECK_DIV, /* 0xf7 */ FD_VALID,
224 : /* 0xf8 */ FD_INVALID, /* 0xf9 */ FD_INVALID, /* 0xfa */ FD_INVALID, /* 0xfb */ FD_INVALID,
225 : /* 0xfc */ FD_INVALID, /* 0xfd */ FD_INVALID, /* 0xfe */ FD_VALID, /* 0xff */ FD_INVALID,
226 10161 : };
227 :
228 : /* SIMD-0173: LDDW */
229 10161 : validation_map[ 0x18 ] = FD_VM_SBPF_ENABLE_LDDW(sbpf_version) ? FD_CHECK_LDQ : FD_INVALID;
230 10161 : validation_map[ 0xf7 ] = FD_VM_SBPF_ENABLE_LDDW(sbpf_version) ? FD_INVALID : FD_VALID; /* HOR64 */
231 :
232 : /* SIMD-0173: LE */
233 10161 : validation_map[ 0xd4 ] = FD_VM_SBPF_ENABLE_LE (sbpf_version) ? FD_CHECK_END : FD_INVALID;
234 :
235 : /* SIMD-0173: LDXW, STW, STXW */
236 10161 : validation_map[ 0x61 ] = FD_VM_SBPF_MOVE_MEMORY_IX_CLASSES(sbpf_version) ? FD_INVALID : FD_VALID;
237 10161 : validation_map[ 0x62 ] = FD_VM_SBPF_MOVE_MEMORY_IX_CLASSES(sbpf_version) ? FD_INVALID : FD_CHECK_ST;
238 10161 : validation_map[ 0x63 ] = FD_VM_SBPF_MOVE_MEMORY_IX_CLASSES(sbpf_version) ? FD_INVALID : FD_CHECK_ST;
239 10161 : validation_map[ 0x8c ] = FD_VM_SBPF_MOVE_MEMORY_IX_CLASSES(sbpf_version) ? FD_VALID : FD_INVALID;
240 10161 : validation_map[ 0x87 ] = FD_VM_SBPF_MOVE_MEMORY_IX_CLASSES(sbpf_version) ? FD_CHECK_ST : FD_VALID; /* VALID because it's NEG64 */
241 10161 : validation_map[ 0x8f ] = FD_VM_SBPF_MOVE_MEMORY_IX_CLASSES(sbpf_version) ? FD_CHECK_ST : FD_INVALID;
242 :
243 : /* SIMD-0173: LDXH, STH, STXH */
244 10161 : validation_map[ 0x69 ] = FD_VM_SBPF_MOVE_MEMORY_IX_CLASSES(sbpf_version) ? FD_INVALID : FD_VALID;
245 10161 : validation_map[ 0x6a ] = FD_VM_SBPF_MOVE_MEMORY_IX_CLASSES(sbpf_version) ? FD_INVALID : FD_CHECK_ST;
246 10161 : validation_map[ 0x6b ] = FD_VM_SBPF_MOVE_MEMORY_IX_CLASSES(sbpf_version) ? FD_INVALID : FD_CHECK_ST;
247 10161 : validation_map[ 0x3c ] = FD_VM_SBPF_MOVE_MEMORY_IX_CLASSES(sbpf_version) ? FD_VALID : FD_VALID;
248 10161 : validation_map[ 0x37 ] = FD_VM_SBPF_MOVE_MEMORY_IX_CLASSES(sbpf_version) ? FD_CHECK_ST : FD_CHECK_DIV;
249 10161 : validation_map[ 0x3f ] = FD_VM_SBPF_MOVE_MEMORY_IX_CLASSES(sbpf_version) ? FD_CHECK_ST : FD_VALID;
250 :
251 : /* SIMD-0173: LDXB, STB, STXB */
252 10161 : validation_map[ 0x71 ] = FD_VM_SBPF_MOVE_MEMORY_IX_CLASSES(sbpf_version) ? FD_INVALID : FD_VALID;
253 10161 : validation_map[ 0x72 ] = FD_VM_SBPF_MOVE_MEMORY_IX_CLASSES(sbpf_version) ? FD_INVALID : FD_CHECK_ST;
254 10161 : validation_map[ 0x73 ] = FD_VM_SBPF_MOVE_MEMORY_IX_CLASSES(sbpf_version) ? FD_INVALID : FD_CHECK_ST;
255 10161 : validation_map[ 0x2c ] = FD_VM_SBPF_MOVE_MEMORY_IX_CLASSES(sbpf_version) ? FD_VALID : FD_VALID;
256 10161 : validation_map[ 0x27 ] = FD_VM_SBPF_MOVE_MEMORY_IX_CLASSES(sbpf_version) ? FD_CHECK_ST : FD_VALID;
257 10161 : validation_map[ 0x2f ] = FD_VM_SBPF_MOVE_MEMORY_IX_CLASSES(sbpf_version) ? FD_CHECK_ST : FD_VALID;
258 :
259 : /* SIMD-0173: LDXDW, STDW, STXDW */
260 10161 : validation_map[ 0x79 ] = FD_VM_SBPF_MOVE_MEMORY_IX_CLASSES(sbpf_version) ? FD_INVALID : FD_VALID;
261 10161 : validation_map[ 0x7a ] = FD_VM_SBPF_MOVE_MEMORY_IX_CLASSES(sbpf_version) ? FD_INVALID : FD_CHECK_ST;
262 10161 : validation_map[ 0x7b ] = FD_VM_SBPF_MOVE_MEMORY_IX_CLASSES(sbpf_version) ? FD_INVALID : FD_CHECK_ST;
263 10161 : validation_map[ 0x9c ] = FD_VM_SBPF_MOVE_MEMORY_IX_CLASSES(sbpf_version) ? FD_VALID : FD_VALID;
264 10161 : validation_map[ 0x97 ] = FD_VM_SBPF_MOVE_MEMORY_IX_CLASSES(sbpf_version) ? FD_CHECK_ST : FD_CHECK_DIV;
265 10161 : validation_map[ 0x9f ] = FD_VM_SBPF_MOVE_MEMORY_IX_CLASSES(sbpf_version) ? FD_CHECK_ST : FD_VALID;
266 :
267 : /* SIMD-0173: CALLX */
268 10161 : validation_map[ 0x8d ] = FD_VM_SBPF_CALLX_USES_SRC_REG(sbpf_version) ? FD_CHECK_CALL_REG : FD_CHECK_CALL_REG_DEPR;
269 :
270 : /* SIMD-0174: MUL, DIV, MOD */
271 10161 : validation_map[ 0x24 ] = FD_VM_SBPF_ENABLE_PQR (sbpf_version) ? FD_INVALID : FD_VALID;
272 10161 : validation_map[ 0x34 ] = FD_VM_SBPF_ENABLE_PQR (sbpf_version) ? FD_INVALID : FD_CHECK_DIV;
273 10161 : validation_map[ 0x94 ] = FD_VM_SBPF_ENABLE_PQR (sbpf_version) ? FD_INVALID : FD_CHECK_DIV;
274 : /* note: 0x?c, 0x?7, 0x?f should not be overwritten because they're now load/store ix */
275 :
276 : /* SIMD-0174: NEG */
277 10161 : validation_map[ 0x84 ] = FD_VM_SBPF_ENABLE_NEG (sbpf_version) ? FD_VALID : FD_INVALID;
278 : /* note: 0x87 should not be overwritten because it was NEG64 and it becomes STW */
279 :
280 : /* SIMD-0174: MUL, DIV, MOD */
281 10161 : validation_map[ 0x36 ] = FD_VM_SBPF_ENABLE_PQR (sbpf_version) ? FD_VALID : FD_INVALID; /* UHMUL64 */
282 10161 : validation_map[ 0x3e ] = FD_VM_SBPF_ENABLE_PQR (sbpf_version) ? FD_VALID : FD_INVALID;
283 10161 : validation_map[ 0x46 ] = FD_VM_SBPF_ENABLE_PQR (sbpf_version) ? FD_CHECK_DIV : FD_INVALID; /* UDIV32 */
284 10161 : validation_map[ 0x4e ] = FD_VM_SBPF_ENABLE_PQR (sbpf_version) ? FD_VALID : FD_INVALID;
285 10161 : validation_map[ 0x56 ] = FD_VM_SBPF_ENABLE_PQR (sbpf_version) ? FD_CHECK_DIV : FD_INVALID; /* UDIV64 */
286 10161 : validation_map[ 0x5e ] = FD_VM_SBPF_ENABLE_PQR (sbpf_version) ? FD_VALID : FD_INVALID;
287 10161 : validation_map[ 0x66 ] = FD_VM_SBPF_ENABLE_PQR (sbpf_version) ? FD_CHECK_DIV : FD_INVALID; /* UREM32 */
288 10161 : validation_map[ 0x6e ] = FD_VM_SBPF_ENABLE_PQR (sbpf_version) ? FD_VALID : FD_INVALID;
289 10161 : validation_map[ 0x76 ] = FD_VM_SBPF_ENABLE_PQR (sbpf_version) ? FD_CHECK_DIV : FD_INVALID; /* UREM64 */
290 10161 : validation_map[ 0x7e ] = FD_VM_SBPF_ENABLE_PQR (sbpf_version) ? FD_VALID : FD_INVALID;
291 10161 : validation_map[ 0x86 ] = FD_VM_SBPF_ENABLE_PQR (sbpf_version) ? FD_VALID : FD_INVALID; /* LMUL32 */
292 10161 : validation_map[ 0x8e ] = FD_VM_SBPF_ENABLE_PQR (sbpf_version) ? FD_VALID : FD_INVALID;
293 10161 : validation_map[ 0x96 ] = FD_VM_SBPF_ENABLE_PQR (sbpf_version) ? FD_VALID : FD_INVALID; /* LMUL64 */
294 10161 : validation_map[ 0x9e ] = FD_VM_SBPF_ENABLE_PQR (sbpf_version) ? FD_VALID : FD_INVALID;
295 10161 : validation_map[ 0xb6 ] = FD_VM_SBPF_ENABLE_PQR (sbpf_version) ? FD_VALID : FD_INVALID; /* SHMUL64 */
296 10161 : validation_map[ 0xbe ] = FD_VM_SBPF_ENABLE_PQR (sbpf_version) ? FD_VALID : FD_INVALID;
297 10161 : validation_map[ 0xc6 ] = FD_VM_SBPF_ENABLE_PQR (sbpf_version) ? FD_CHECK_DIV : FD_INVALID; /* SDIV32 */
298 10161 : validation_map[ 0xce ] = FD_VM_SBPF_ENABLE_PQR (sbpf_version) ? FD_VALID : FD_INVALID;
299 10161 : validation_map[ 0xd6 ] = FD_VM_SBPF_ENABLE_PQR (sbpf_version) ? FD_CHECK_DIV : FD_INVALID; /* SDIV64 */
300 10161 : validation_map[ 0xde ] = FD_VM_SBPF_ENABLE_PQR (sbpf_version) ? FD_VALID : FD_INVALID;
301 10161 : validation_map[ 0xe6 ] = FD_VM_SBPF_ENABLE_PQR (sbpf_version) ? FD_CHECK_DIV : FD_INVALID; /* SREM32 */
302 10161 : validation_map[ 0xee ] = FD_VM_SBPF_ENABLE_PQR (sbpf_version) ? FD_VALID : FD_INVALID;
303 10161 : validation_map[ 0xf6 ] = FD_VM_SBPF_ENABLE_PQR (sbpf_version) ? FD_CHECK_DIV : FD_INVALID; /* SREM64 */
304 10161 : validation_map[ 0xfe ] = FD_VM_SBPF_ENABLE_PQR (sbpf_version) ? FD_VALID : FD_INVALID;
305 :
306 : /* FIXME: These checks are not necessary assuming fd_vm_t is populated by metadata
307 : generated in fd_sbpf_elf_peek (which performs these checks). But there is no guarantee, and
308 : this non-guarantee is (rightfully) exploited by the fuzz harnesses.
309 : Agave doesn't perform these checks explicitly due to Rust's guarantees */
310 10161 : if( FD_UNLIKELY( vm->text_sz / 8UL != vm->text_cnt ||
311 10161 : (const uchar *)vm->text < vm->rodata ||
312 10161 : (ulong)vm->text > (ulong)vm->text + vm->text_sz || /* Overflow chk */
313 10161 : (const uchar *)vm->text + vm->text_sz > vm->rodata + vm->rodata_sz ) )
314 0 : return FD_VM_ERR_BAD_TEXT;
315 :
316 10161 : if( FD_UNLIKELY( !fd_ulong_is_aligned( vm->text_sz, 8UL ) ) ) /* https://github.com/solana-labs/rbpf/blob/v0.8.0/src/verifier.rs#L109 */
317 0 : return FD_VM_TEXT_SZ_UNALIGNED;
318 :
319 10161 : if ( FD_UNLIKELY( vm->text_cnt == 0UL ) ) /* https://github.com/solana-labs/rbpf/blob/v0.8.0/src/verifier.rs#L112 */
320 2 : return FD_VM_ERR_EMPTY;
321 :
322 10159 : ulong const * text = vm->text;
323 10159 : ulong text_cnt = vm->text_cnt;
324 :
325 119331474 : for( ulong i=0UL; i<text_cnt; i++ ) {
326 119331474 : fd_sbpf_instr_t instr = fd_sbpf_instr( text[i] );
327 :
328 119331474 : uchar validation_code = validation_map[ instr.opcode.raw ];
329 119331474 : switch( validation_code ) {
330 :
331 74142634 : case FD_VALID: break;
332 :
333 : /* Store ops are special because they allow dreg==r10.
334 : We use a special validation_code, used later in the
335 : "Check registers" section.
336 : But there's nothing to do at this time. */
337 18372387 : case FD_CHECK_ST: break;
338 :
339 19711637 : case FD_CHECK_JMP: {
340 19711637 : long jmp_dst = (long)i + (long)instr.offset + 1L;
341 19711637 : if( FD_UNLIKELY( (jmp_dst<0) | (jmp_dst>=(long)text_cnt) ) ) return FD_VM_ERR_JMP_OUT_OF_BOUNDS;
342 : //FIXME: this shouldn't be here?
343 19711637 : if( FD_UNLIKELY( fd_sbpf_instr( text[ jmp_dst ] ).opcode.raw==FD_SBPF_OP_ADDL_IMM ) ) return FD_VM_ERR_JMP_TO_ADDL_IMM;
344 19711603 : break;
345 19711637 : }
346 :
347 19711603 : case FD_CHECK_END: {
348 16160 : if( FD_UNLIKELY( !((instr.imm==16) | (instr.imm==32) | (instr.imm==64)) ) ) return FD_VM_ERR_INVALID_END_IMM;
349 16160 : break;
350 16160 : }
351 :
352 : /* https://github.com/solana-labs/rbpf/blob/b503a1867a9cfa13f93b4d99679a17fe219831de/src/verifier.rs#L244 */
353 6517937 : case FD_CHECK_LDQ: {
354 : /* https://github.com/solana-labs/rbpf/blob/b503a1867a9cfa13f93b4d99679a17fe219831de/src/verifier.rs#L131 */
355 6517937 : if( FD_UNLIKELY( (i+1UL)>=text_cnt ) ) return FD_VM_ERR_INCOMPLETE_LDQ;
356 :
357 : /* https://github.com/solana-labs/rbpf/blob/b503a1867a9cfa13f93b4d99679a17fe219831de/src/verifier.rs#L137-L139 */
358 6517937 : fd_sbpf_instr_t addl_imm = fd_sbpf_instr( text[ i+1UL ] );
359 6517937 : if( FD_UNLIKELY( addl_imm.opcode.raw!=FD_SBPF_OP_ADDL_IMM ) ) return FD_VM_ERR_LDQ_NO_ADDL_IMM;
360 :
361 : /* FIXME: SET A BIT MAP HERE OF ADDL_IMM TO DENOTE * AS FORBIDDEN
362 : BRANCH TARGETS OF CALL_REG?? */
363 :
364 6517937 : i++; /* Skip the addl imm */
365 6517937 : break;
366 6517937 : }
367 :
368 83549 : case FD_CHECK_DIV: {
369 83549 : if( FD_UNLIKELY( instr.imm==0 ) ) return FD_VM_ERR_SIGFPE;
370 83549 : break;
371 83549 : }
372 :
373 83549 : case FD_CHECK_SH32: {
374 369 : if( FD_UNLIKELY( instr.imm>=32 ) ) return FD_VM_SH_OVERFLOW;
375 369 : break;
376 369 : }
377 :
378 7437340 : case FD_CHECK_SH64: {
379 7437340 : if( FD_UNLIKELY( instr.imm>=64 ) ) return FD_VM_SH_OVERFLOW;
380 7437339 : break;
381 7437340 : }
382 :
383 : /* https://github.com/anza-xyz/sbpf/blob/v0.11.1/src/verifier.rs#L220 */
384 7437339 : case FD_CHECK_CALL_REG: {
385 6 : if( FD_UNLIKELY( instr.src_reg > 9 ) ) {
386 0 : return FD_VM_ERR_INVALID_REG;
387 0 : }
388 6 : break;
389 6 : }
390 474546 : case FD_CHECK_CALL_REG_DEPR: {
391 474546 : if( FD_UNLIKELY( instr.imm > 9 ) ) {
392 0 : return FD_VM_ERR_INVALID_REG;
393 0 : }
394 474546 : break;
395 474546 : }
396 :
397 : /* https://github.com/anza-xyz/sbpf/blob/v0.12.2/src/verifier.rs#L403-L409 */
398 474546 : case FD_CHECK_CALL_IMM: {
399 0 : ulong target_pc = (ulong)( fd_long_sat_add( (long)i, fd_long_sat_add( (long)(int)instr.imm, 1 ) ) );
400 0 : if( FD_UNLIKELY( !(
401 0 : target_pc<text_cnt && fd_sbpf_is_function_start( fd_sbpf_instr( text[target_pc] ) )
402 0 : ) ) ) {
403 0 : return FD_VM_INVALID_FUNCTION;
404 0 : }
405 0 : break;
406 0 : }
407 :
408 : /* https://github.com/anza-xyz/sbpf/blob/v0.12.2/src/verifier.rs#L414-L423 */
409 0 : case FD_CHECK_SYSCALL: {
410 : /* check active syscall */
411 0 : fd_sbpf_syscalls_t const * syscall = fd_sbpf_syscalls_query_const( vm->syscalls, (ulong)instr.imm, NULL );
412 0 : if( FD_UNLIKELY( !syscall ) ) {
413 0 : return FD_VM_INVALID_SYSCALL;
414 0 : }
415 0 : break;
416 0 : }
417 :
418 26 : case FD_INVALID: default: return FD_VM_ERR_INVALID_OPCODE;
419 119331474 : }
420 :
421 : /* Check registers
422 : https://github.com/solana-labs/rbpf/blob/v0.8.5/src/verifier.rs#L177 */
423 :
424 : /* Source register */
425 119288030 : if( FD_UNLIKELY( instr.src_reg>10 ) ) return FD_VM_ERR_INVALID_SRC_REG;
426 :
427 : /* Special R10 register allowed for ADD64_IMM */
428 119288029 : if( instr.dst_reg==10U
429 119288029 : && FD_VM_SBPF_DYNAMIC_STACK_FRAMES( sbpf_version )
430 119288029 : && instr.opcode.raw == 0x07
431 119288029 : && ( instr.imm % FD_VM_SBPF_DYNAMIC_STACK_FRAMES_ALIGN )==0 )
432 0 : continue;
433 :
434 : /* Destination register. */
435 119288029 : if( FD_UNLIKELY( instr.dst_reg==10U && validation_code != FD_CHECK_ST ) ) return FD_VM_ERR_INVALID_DST_REG;
436 119288029 : if( FD_UNLIKELY( instr.dst_reg > 10U ) ) return FD_VM_ERR_INVALID_DST_REG;
437 119288029 : }
438 :
439 >1844*10^16 : return FD_VM_SUCCESS;
440 10159 : }
441 :
442 : FD_FN_CONST ulong
443 47255 : fd_vm_align( void ) {
444 47255 : return FD_VM_ALIGN;
445 47255 : }
446 :
447 : FD_FN_CONST ulong
448 26021 : fd_vm_footprint( void ) {
449 26021 : return FD_VM_FOOTPRINT;
450 26021 : }
451 :
452 : void *
453 21275 : fd_vm_new( void * shmem ) {
454 :
455 21275 : if( FD_UNLIKELY( !shmem ) ) {
456 0 : FD_LOG_WARNING(( "NULL shmem" ));
457 0 : return NULL;
458 0 : }
459 :
460 21275 : if( FD_UNLIKELY( !fd_ulong_is_aligned( (ulong)shmem, fd_vm_align() ) ) ) {
461 0 : FD_LOG_WARNING(( "misaligned shmem" ));
462 0 : return NULL;
463 0 : }
464 :
465 21275 : fd_vm_t * vm = (fd_vm_t *)shmem;
466 21275 : fd_memset( vm, 0, fd_vm_footprint() );
467 :
468 21275 : FD_COMPILER_MFENCE();
469 21275 : FD_VOLATILE( vm->magic ) = FD_VM_MAGIC;
470 21275 : FD_COMPILER_MFENCE();
471 :
472 21275 : return shmem;
473 21275 : }
474 :
475 : fd_vm_t *
476 21267 : fd_vm_join( void * shmem ) {
477 :
478 21267 : if( FD_UNLIKELY( !shmem ) ) {
479 0 : FD_LOG_WARNING(( "NULL shmem" ));
480 0 : return NULL;
481 0 : }
482 :
483 21267 : if( FD_UNLIKELY( !fd_ulong_is_aligned( (ulong)shmem, fd_vm_align() ) ) ) {
484 0 : FD_LOG_WARNING(( "misaligned shmem" ));
485 0 : return NULL;
486 0 : }
487 :
488 21267 : fd_vm_t * vm = (fd_vm_t *)shmem;
489 :
490 21267 : if( FD_UNLIKELY( vm->magic!=FD_VM_MAGIC ) ) {
491 0 : FD_LOG_WARNING(( "bad magic" ));
492 0 : return NULL;
493 0 : }
494 :
495 21267 : return vm;
496 21267 : }
497 :
498 : void *
499 0 : fd_vm_leave( fd_vm_t * vm ) {
500 :
501 0 : if( FD_UNLIKELY( !vm ) ) {
502 0 : FD_LOG_WARNING(( "NULL vm" ));
503 0 : return NULL;
504 0 : }
505 :
506 0 : return (void *)vm;
507 0 : }
508 :
509 : void *
510 0 : fd_vm_delete( void * shmem ) {
511 :
512 0 : if( FD_UNLIKELY( !shmem ) ) {
513 0 : FD_LOG_WARNING(( "NULL shmem" ));
514 0 : return NULL;
515 0 : }
516 :
517 0 : if( FD_UNLIKELY( !fd_ulong_is_aligned( (ulong)shmem, fd_vm_align() ) ) ) {
518 0 : FD_LOG_WARNING(( "misaligned shmem" ));
519 0 : return NULL;
520 0 : }
521 :
522 0 : fd_vm_t * vm = (fd_vm_t *)shmem;
523 :
524 0 : if( FD_UNLIKELY( vm->magic!=FD_VM_MAGIC ) ) {
525 0 : FD_LOG_WARNING(( "bad magic" ));
526 0 : return NULL;
527 0 : }
528 :
529 0 : FD_COMPILER_MFENCE();
530 0 : FD_VOLATILE( vm->magic ) = 0UL;
531 0 : FD_COMPILER_MFENCE();
532 :
533 0 : return (void *)vm;
534 0 : }
535 :
536 : fd_vm_t *
537 : fd_vm_init(
538 : fd_vm_t * vm,
539 : fd_exec_instr_ctx_t * instr_ctx,
540 : ulong heap_max,
541 : ulong entry_cu,
542 : uchar const * rodata,
543 : ulong rodata_sz,
544 : ulong const * text,
545 : ulong text_cnt,
546 : ulong text_off,
547 : ulong text_sz,
548 : ulong entry_pc,
549 : ulong const * calldests,
550 : ulong sbpf_version,
551 : fd_sbpf_syscalls_t * syscalls,
552 : fd_vm_trace_t * trace,
553 : fd_sha256_t * sha,
554 : fd_vm_input_region_t * mem_regions,
555 : uint mem_regions_cnt,
556 : fd_vm_acc_region_meta_t * acc_region_metas,
557 : uchar is_deprecated,
558 : int direct_mapping,
559 : int stricter_abi_and_runtime_constraints,
560 : int dump_syscall_to_pb,
561 21280 : ulong r2_initial_value ) {
562 :
563 21280 : if ( FD_UNLIKELY( vm == NULL ) ) {
564 0 : FD_LOG_WARNING(( "NULL vm" ));
565 0 : return NULL;
566 0 : }
567 :
568 21280 : if ( FD_UNLIKELY( vm->magic != FD_VM_MAGIC ) ) {
569 0 : FD_LOG_WARNING(( "bad magic" ));
570 0 : return NULL;
571 0 : }
572 :
573 21280 : if ( FD_UNLIKELY( heap_max > FD_VM_HEAP_MAX ) ) {
574 0 : FD_LOG_WARNING(( "heap_max > FD_VM_HEAP_MAX" ));
575 0 : return NULL;
576 0 : }
577 :
578 : /* We do support calldests==NULL for tests that do not require
579 : program execution, e.g. just testing some interpreter functionality
580 : or syscalls.
581 : SBPF v3+ no longer needs calldests, so we enforce it to be NULL. */
582 21280 : if( FD_UNLIKELY( calldests && fd_sbpf_enable_stricter_elf_headers_enabled( sbpf_version ) ) ) {
583 0 : return NULL;
584 0 : }
585 :
586 : // Set the vm fields
587 21280 : vm->instr_ctx = instr_ctx;
588 21280 : vm->heap_max = heap_max;
589 21280 : vm->entry_cu = entry_cu;
590 21280 : vm->rodata = rodata;
591 21280 : vm->rodata_sz = rodata_sz;
592 21280 : vm->text = text;
593 21280 : vm->text_cnt = text_cnt;
594 21280 : vm->text_off = text_off;
595 21280 : vm->text_sz = text_sz;
596 21280 : vm->entry_pc = entry_pc;
597 21280 : vm->calldests = calldests;
598 21280 : vm->sbpf_version = sbpf_version;
599 21280 : vm->syscalls = syscalls;
600 21280 : vm->trace = trace;
601 21280 : vm->sha = sha;
602 21280 : vm->input_mem_regions = mem_regions;
603 21280 : vm->input_mem_regions_cnt = mem_regions_cnt;
604 21280 : vm->acc_region_metas = acc_region_metas;
605 21280 : vm->is_deprecated = is_deprecated;
606 21280 : vm->direct_mapping = direct_mapping;
607 21280 : vm->stricter_abi_and_runtime_constraints = stricter_abi_and_runtime_constraints;
608 21280 : vm->segv_vaddr = ULONG_MAX;
609 21280 : vm->segv_access_len = 0UL;
610 21280 : vm->segv_access_type = 0;
611 21280 : vm->dump_syscall_to_pb = dump_syscall_to_pb;
612 :
613 : /* Unpack input and rodata */
614 21280 : fd_vm_mem_cfg( vm );
615 :
616 : /* Initialize registers */
617 : /* FIXME: Zero out shadow, stack and heap here? */
618 21280 : fd_memset( vm->reg, 0, FD_VM_REG_MAX * sizeof(ulong) );
619 21280 : vm->reg[1] = FD_VM_MEM_MAP_INPUT_REGION_START;
620 21280 : vm->reg[2] = r2_initial_value;
621 : /* https://github.com/solana-labs/rbpf/blob/4ad935be45e5663be23b30cfc750b1ae1ad03c44/src/vm.rs#L326-L333 */
622 21280 : vm->reg[10] = FD_VM_MEM_MAP_STACK_REGION_START +
623 21280 : ( FD_VM_SBPF_DYNAMIC_STACK_FRAMES( vm->sbpf_version ) ? FD_VM_STACK_MAX : FD_VM_STACK_FRAME_SZ );
624 : /* Note: Agave uses r11 as pc, we don't */
625 :
626 : /* Set execution state */
627 21280 : vm->pc = vm->entry_pc;
628 21280 : vm->ic = 0UL;
629 21280 : vm->cu = vm->entry_cu;
630 21280 : vm->frame_cnt = 0UL;
631 :
632 21280 : vm->heap_sz = 0UL;
633 :
634 : /* Do NOT reset logs */
635 :
636 21280 : return vm;
637 21280 : }
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