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Add support for statically initializing BPF_MAP_TYPE_HASH_OF_MAPS (mi…
…crosoft#3211) * Add support for statically initializing BPF_MAP_TYPE_HASH_OF_MAPS Signed-off-by: Alan Jowett <[email protected]> * Update installer and add code gen tests Signed-off-by: Alan Jowett <[email protected]> * Add files to expected install list Signed-off-by: Alan Jowett <[email protected]> --------- Signed-off-by: Alan Jowett <[email protected]> Co-authored-by: Alan Jowett <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,251 @@ | ||
| // Copyright (c) Microsoft Corporation | ||
| // SPDX-License-Identifier: MIT | ||
|
|
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| // Do not alter this generated file. | ||
| // This file was generated from hash_of_map.o | ||
|
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| #include "bpf2c.h" | ||
|
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| #include <stdio.h> | ||
| #define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers | ||
| #include <windows.h> | ||
|
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| #define metadata_table hash_of_map##_metadata_table | ||
| extern metadata_table_t metadata_table; | ||
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| bool APIENTRY | ||
| DllMain(_In_ HMODULE hModule, unsigned int ul_reason_for_call, _In_ void* lpReserved) | ||
| { | ||
| UNREFERENCED_PARAMETER(hModule); | ||
| UNREFERENCED_PARAMETER(lpReserved); | ||
| switch (ul_reason_for_call) { | ||
| case DLL_PROCESS_ATTACH: | ||
| case DLL_THREAD_ATTACH: | ||
| case DLL_THREAD_DETACH: | ||
| case DLL_PROCESS_DETACH: | ||
| break; | ||
| } | ||
| return TRUE; | ||
| } | ||
|
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| __declspec(dllexport) metadata_table_t* get_metadata_table() { return &metadata_table; } | ||
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| #include "bpf2c.h" | ||
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||
| static void | ||
| _get_hash(_Outptr_result_buffer_maybenull_(*size) const uint8_t** hash, _Out_ size_t* size) | ||
| { | ||
| *hash = NULL; | ||
| *size = 0; | ||
| } | ||
| #pragma data_seg(push, "maps") | ||
| static map_entry_t _maps[] = { | ||
| {NULL, | ||
| { | ||
| BPF_MAP_TYPE_HASH, // Type of map. | ||
| 4, // Size in bytes of a map key. | ||
| 4, // Size in bytes of a map value. | ||
| 1, // Maximum number of entries allowed in the map. | ||
| 0, // Inner map index. | ||
| LIBBPF_PIN_NONE, // Pinning type for the map. | ||
| 8, // Identifier for a map template. | ||
| 0, // The id of the inner map template. | ||
| }, | ||
| "inner_map"}, | ||
| {NULL, | ||
| { | ||
| BPF_MAP_TYPE_HASH_OF_MAPS, // Type of map. | ||
| 4, // Size in bytes of a map key. | ||
| 4, // Size in bytes of a map value. | ||
| 1, // Maximum number of entries allowed in the map. | ||
| 0, // Inner map index. | ||
| LIBBPF_PIN_NONE, // Pinning type for the map. | ||
| 14, // Identifier for a map template. | ||
| 8, // The id of the inner map template. | ||
| }, | ||
| "outer_map"}, | ||
| }; | ||
| #pragma data_seg(pop) | ||
|
|
||
| static void | ||
| _get_maps(_Outptr_result_buffer_maybenull_(*count) map_entry_t** maps, _Out_ size_t* count) | ||
| { | ||
| *maps = _maps; | ||
| *count = 2; | ||
| } | ||
|
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| static helper_function_entry_t lookup_helpers[] = { | ||
| {NULL, 1, "helper_id_1"}, | ||
| }; | ||
|
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| static GUID lookup_program_type_guid = {0xf788ef4a, 0x207d, 0x4dc3, {0x85, 0xcf, 0x0f, 0x2e, 0xa1, 0x07, 0x21, 0x3c}}; | ||
| static GUID lookup_attach_type_guid = {0xf788ef4b, 0x207d, 0x4dc3, {0x85, 0xcf, 0x0f, 0x2e, 0xa1, 0x07, 0x21, 0x3c}}; | ||
| static uint16_t lookup_maps[] = { | ||
| 1, | ||
| }; | ||
|
|
||
| #pragma code_seg(push, "sample~1") | ||
| static uint64_t | ||
| lookup(void* context) | ||
| #line 36 "sample/undocked/hash_of_map.c" | ||
| { | ||
| #line 36 "sample/undocked/hash_of_map.c" | ||
| // Prologue | ||
| #line 36 "sample/undocked/hash_of_map.c" | ||
| uint64_t stack[(UBPF_STACK_SIZE + 7) / 8]; | ||
| #line 36 "sample/undocked/hash_of_map.c" | ||
| register uint64_t r0 = 0; | ||
| #line 36 "sample/undocked/hash_of_map.c" | ||
| register uint64_t r1 = 0; | ||
| #line 36 "sample/undocked/hash_of_map.c" | ||
| register uint64_t r2 = 0; | ||
| #line 36 "sample/undocked/hash_of_map.c" | ||
| register uint64_t r3 = 0; | ||
| #line 36 "sample/undocked/hash_of_map.c" | ||
| register uint64_t r4 = 0; | ||
| #line 36 "sample/undocked/hash_of_map.c" | ||
| register uint64_t r5 = 0; | ||
| #line 36 "sample/undocked/hash_of_map.c" | ||
| register uint64_t r6 = 0; | ||
| #line 36 "sample/undocked/hash_of_map.c" | ||
| register uint64_t r10 = 0; | ||
|
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||
| #line 36 "sample/undocked/hash_of_map.c" | ||
| r1 = (uintptr_t)context; | ||
| #line 36 "sample/undocked/hash_of_map.c" | ||
| r10 = (uintptr_t)((uint8_t*)stack + sizeof(stack)); | ||
|
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| // EBPF_OP_MOV64_IMM pc=0 dst=r6 src=r0 offset=0 imm=0 | ||
| #line 36 "sample/undocked/hash_of_map.c" | ||
| r6 = IMMEDIATE(0); | ||
| // EBPF_OP_STXW pc=1 dst=r10 src=r6 offset=-4 imm=0 | ||
| #line 38 "sample/undocked/hash_of_map.c" | ||
| *(uint32_t*)(uintptr_t)(r10 + OFFSET(-4)) = (uint32_t)r6; | ||
| // EBPF_OP_MOV64_REG pc=2 dst=r2 src=r10 offset=0 imm=0 | ||
| #line 38 "sample/undocked/hash_of_map.c" | ||
| r2 = r10; | ||
| // EBPF_OP_ADD64_IMM pc=3 dst=r2 src=r0 offset=0 imm=-4 | ||
| #line 38 "sample/undocked/hash_of_map.c" | ||
| r2 += IMMEDIATE(-4); | ||
| // EBPF_OP_LDDW pc=4 dst=r1 src=r0 offset=0 imm=0 | ||
| #line 39 "sample/undocked/hash_of_map.c" | ||
| r1 = POINTER(_maps[1].address); | ||
| // EBPF_OP_CALL pc=6 dst=r0 src=r0 offset=0 imm=1 | ||
| #line 39 "sample/undocked/hash_of_map.c" | ||
| r0 = lookup_helpers[0].address | ||
| #line 39 "sample/undocked/hash_of_map.c" | ||
| (r1, r2, r3, r4, r5); | ||
| #line 39 "sample/undocked/hash_of_map.c" | ||
| if ((lookup_helpers[0].tail_call) && (r0 == 0)) | ||
| #line 39 "sample/undocked/hash_of_map.c" | ||
| return 0; | ||
| // EBPF_OP_JEQ_IMM pc=7 dst=r0 src=r0 offset=9 imm=0 | ||
| #line 40 "sample/undocked/hash_of_map.c" | ||
| if (r0 == IMMEDIATE(0)) | ||
| #line 40 "sample/undocked/hash_of_map.c" | ||
| goto label_2; | ||
| // EBPF_OP_MOV64_IMM pc=8 dst=r6 src=r0 offset=0 imm=0 | ||
| #line 40 "sample/undocked/hash_of_map.c" | ||
| r6 = IMMEDIATE(0); | ||
| // EBPF_OP_STXW pc=9 dst=r10 src=r6 offset=-8 imm=0 | ||
| #line 41 "sample/undocked/hash_of_map.c" | ||
| *(uint32_t*)(uintptr_t)(r10 + OFFSET(-8)) = (uint32_t)r6; | ||
| // EBPF_OP_MOV64_REG pc=10 dst=r2 src=r10 offset=0 imm=0 | ||
| #line 41 "sample/undocked/hash_of_map.c" | ||
| r2 = r10; | ||
| // EBPF_OP_ADD64_IMM pc=11 dst=r2 src=r0 offset=0 imm=-8 | ||
| #line 41 "sample/undocked/hash_of_map.c" | ||
| r2 += IMMEDIATE(-8); | ||
| // EBPF_OP_MOV64_REG pc=12 dst=r1 src=r0 offset=0 imm=0 | ||
| #line 42 "sample/undocked/hash_of_map.c" | ||
| r1 = r0; | ||
| // EBPF_OP_CALL pc=13 dst=r0 src=r0 offset=0 imm=1 | ||
| #line 42 "sample/undocked/hash_of_map.c" | ||
| r0 = lookup_helpers[0].address | ||
| #line 42 "sample/undocked/hash_of_map.c" | ||
| (r1, r2, r3, r4, r5); | ||
| #line 42 "sample/undocked/hash_of_map.c" | ||
| if ((lookup_helpers[0].tail_call) && (r0 == 0)) | ||
| #line 42 "sample/undocked/hash_of_map.c" | ||
| return 0; | ||
| // EBPF_OP_JNE_IMM pc=14 dst=r0 src=r0 offset=1 imm=0 | ||
| #line 43 "sample/undocked/hash_of_map.c" | ||
| if (r0 != IMMEDIATE(0)) | ||
| #line 43 "sample/undocked/hash_of_map.c" | ||
| goto label_1; | ||
| // EBPF_OP_JA pc=15 dst=r0 src=r0 offset=1 imm=0 | ||
| #line 43 "sample/undocked/hash_of_map.c" | ||
| goto label_2; | ||
| label_1: | ||
| // EBPF_OP_LDXW pc=16 dst=r6 src=r0 offset=0 imm=0 | ||
| #line 44 "sample/undocked/hash_of_map.c" | ||
| r6 = *(uint32_t*)(uintptr_t)(r0 + OFFSET(0)); | ||
| label_2: | ||
| // EBPF_OP_MOV64_REG pc=17 dst=r0 src=r6 offset=0 imm=0 | ||
| #line 48 "sample/undocked/hash_of_map.c" | ||
| r0 = r6; | ||
| // EBPF_OP_EXIT pc=18 dst=r0 src=r0 offset=0 imm=0 | ||
| #line 48 "sample/undocked/hash_of_map.c" | ||
| return r0; | ||
| #line 48 "sample/undocked/hash_of_map.c" | ||
| } | ||
| #pragma code_seg(pop) | ||
| #line __LINE__ __FILE__ | ||
|
|
||
| #pragma data_seg(push, "programs") | ||
| static program_entry_t _programs[] = { | ||
| { | ||
| 0, | ||
| lookup, | ||
| "sample~1", | ||
| "sample_ext", | ||
| "lookup", | ||
| lookup_maps, | ||
| 1, | ||
| lookup_helpers, | ||
| 1, | ||
| 19, | ||
| &lookup_program_type_guid, | ||
| &lookup_attach_type_guid, | ||
| }, | ||
| }; | ||
| #pragma data_seg(pop) | ||
|
|
||
| static void | ||
| _get_programs(_Outptr_result_buffer_(*count) program_entry_t** programs, _Out_ size_t* count) | ||
| { | ||
| *programs = _programs; | ||
| *count = 1; | ||
| } | ||
|
|
||
| static void | ||
| _get_version(_Out_ bpf2c_version_t* version) | ||
| { | ||
| version->major = 0; | ||
| version->minor = 13; | ||
| version->revision = 0; | ||
| } | ||
|
|
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| #pragma data_seg(push, "map_initial_values") | ||
| static const char* _outer_map_initial_string_table[] = { | ||
| "inner_map", | ||
| }; | ||
|
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| static map_initial_values_t _map_initial_values_array[] = { | ||
| { | ||
| .name = "outer_map", | ||
| .count = 1, | ||
| .values = _outer_map_initial_string_table, | ||
| }, | ||
| }; | ||
| #pragma data_seg(pop) | ||
|
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| static void | ||
| _get_map_initial_values(_Outptr_result_buffer_(*count) map_initial_values_t** map_initial_values, _Out_ size_t* count) | ||
| { | ||
| *map_initial_values = _map_initial_values_array; | ||
| *count = 1; | ||
| } | ||
|
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| metadata_table_t hash_of_map_metadata_table = { | ||
| sizeof(metadata_table_t), _get_programs, _get_maps, _get_hash, _get_version, _get_map_initial_values}; |
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