| 1 | // SPDX-License-Identifier: MIT |
| 2 | /* |
| 3 | * Copyright 2022-2023 Mathieu Desnoyers <mathieu.desnoyers@efficios.com> |
| 4 | */ |
| 5 | |
| 6 | #ifndef SIDE_TYPE_ARGUMENT_ABI_H |
| 7 | #define SIDE_TYPE_ARGUMENT_ABI_H |
| 8 | |
| 9 | #include <stdint.h> |
| 10 | #include <side/macros.h> |
| 11 | #include <side/endian.h> |
| 12 | |
| 13 | #include <side/type-value-abi.h> |
| 14 | #include <side/attribute-abi.h> |
| 15 | #include <side/type-description-abi.h> |
| 16 | #include <side/visitor-abi.h> |
| 17 | |
| 18 | #if (SIDE_BYTE_ORDER == SIDE_LITTLE_ENDIAN) |
| 19 | # define SIDE_TYPE_BYTE_ORDER_HOST SIDE_TYPE_BYTE_ORDER_LE |
| 20 | #else |
| 21 | # define SIDE_TYPE_BYTE_ORDER_HOST SIDE_TYPE_BYTE_ORDER_BE |
| 22 | #endif |
| 23 | |
| 24 | #if (SIDE_FLOAT_WORD_ORDER == SIDE_LITTLE_ENDIAN) |
| 25 | # define SIDE_TYPE_FLOAT_WORD_ORDER_HOST SIDE_TYPE_BYTE_ORDER_LE |
| 26 | #else |
| 27 | # define SIDE_TYPE_FLOAT_WORD_ORDER_HOST SIDE_TYPE_BYTE_ORDER_BE |
| 28 | #endif |
| 29 | |
| 30 | union side_arg_static { |
| 31 | /* Stack-copy basic types */ |
| 32 | union side_bool_value bool_value; |
| 33 | uint8_t byte_value; |
| 34 | side_ptr_t(const void) string_value; /* const {uint8_t, uint16_t, uint32_t} * */ |
| 35 | union side_integer_value integer_value; |
| 36 | union side_float_value float_value; |
| 37 | |
| 38 | /* Stack-copy compound types */ |
| 39 | side_ptr_t(const struct side_arg_vec) side_struct; |
| 40 | side_ptr_t(const struct side_arg_variant) side_variant; |
| 41 | side_ptr_t(const struct side_arg_vec) side_array; |
| 42 | side_ptr_t(const struct side_arg_vec) side_vla; |
| 43 | void *side_vla_app_visitor_ctx; |
| 44 | |
| 45 | /* Gather basic types */ |
| 46 | side_ptr_t(const void) side_bool_gather_ptr; |
| 47 | side_ptr_t(const void) side_byte_gather_ptr; |
| 48 | side_ptr_t(const void) side_integer_gather_ptr; |
| 49 | side_ptr_t(const void) side_float_gather_ptr; |
| 50 | side_ptr_t(const void) side_string_gather_ptr; |
| 51 | |
| 52 | /* Gather compound types */ |
| 53 | side_ptr_t(const void) side_array_gather_ptr; |
| 54 | side_ptr_t(const void) side_struct_gather_ptr; |
| 55 | struct { |
| 56 | side_ptr_t(const void) ptr; |
| 57 | side_ptr_t(const void) length_ptr; |
| 58 | } SIDE_PACKED side_vla_gather; |
| 59 | side_padding(32); |
| 60 | } SIDE_PACKED; |
| 61 | side_check_size(union side_arg_static, 32); |
| 62 | |
| 63 | struct side_arg_dynamic_vla { |
| 64 | side_ptr_t(const struct side_arg) sav; |
| 65 | side_ptr_t(const struct side_attr) attr; |
| 66 | uint32_t len; |
| 67 | uint32_t nr_attr; |
| 68 | } SIDE_PACKED; |
| 69 | side_check_size(struct side_arg_dynamic_vla, 40); |
| 70 | |
| 71 | struct side_arg_dynamic_struct { |
| 72 | side_ptr_t(const struct side_arg_dynamic_field) fields; |
| 73 | side_ptr_t(const struct side_attr) attr; |
| 74 | uint32_t len; |
| 75 | uint32_t nr_attr; |
| 76 | } SIDE_PACKED; |
| 77 | side_check_size(struct side_arg_dynamic_struct, 40); |
| 78 | |
| 79 | struct side_dynamic_struct_visitor { |
| 80 | side_func_ptr_t(side_dynamic_struct_visitor_func) visitor; |
| 81 | side_ptr_t(void) app_ctx; |
| 82 | side_ptr_t(const struct side_attr) attr; |
| 83 | uint32_t nr_attr; |
| 84 | } SIDE_PACKED; |
| 85 | side_check_size(struct side_dynamic_struct_visitor, 52); |
| 86 | |
| 87 | struct side_dynamic_vla_visitor { |
| 88 | side_func_ptr_t(side_visitor_func) visitor; |
| 89 | side_ptr_t(void) app_ctx; |
| 90 | side_ptr_t(const struct side_attr) attr; |
| 91 | uint32_t nr_attr; |
| 92 | } SIDE_PACKED; |
| 93 | side_check_size(struct side_dynamic_vla_visitor, 52); |
| 94 | |
| 95 | union side_arg_dynamic { |
| 96 | /* Dynamic basic types */ |
| 97 | struct side_type_null side_null; |
| 98 | struct { |
| 99 | struct side_type_bool type; |
| 100 | union side_bool_value value; |
| 101 | } SIDE_PACKED side_bool; |
| 102 | struct { |
| 103 | struct side_type_byte type; |
| 104 | uint8_t value; |
| 105 | } SIDE_PACKED side_byte; |
| 106 | struct { |
| 107 | struct side_type_string type; |
| 108 | uint64_t value; /* const char * */ |
| 109 | } SIDE_PACKED side_string; |
| 110 | struct { |
| 111 | struct side_type_integer type; |
| 112 | union side_integer_value value; |
| 113 | } SIDE_PACKED side_integer; |
| 114 | struct { |
| 115 | struct side_type_float type; |
| 116 | union side_float_value value; |
| 117 | } SIDE_PACKED side_float; |
| 118 | |
| 119 | /* Dynamic compound types */ |
| 120 | side_ptr_t(const struct side_arg_dynamic_struct) side_dynamic_struct; |
| 121 | side_ptr_t(const struct side_arg_dynamic_vla) side_dynamic_vla; |
| 122 | |
| 123 | struct side_dynamic_struct_visitor side_dynamic_struct_visitor; |
| 124 | struct side_dynamic_vla_visitor side_dynamic_vla_visitor; |
| 125 | |
| 126 | side_padding(58); |
| 127 | } SIDE_PACKED; |
| 128 | side_check_size(union side_arg_dynamic, 58); |
| 129 | |
| 130 | struct side_arg { |
| 131 | side_enum_t(enum side_type_label, uint16_t) type; |
| 132 | union { |
| 133 | union side_arg_static side_static; |
| 134 | union side_arg_dynamic side_dynamic; |
| 135 | side_padding(62); |
| 136 | } SIDE_PACKED u; |
| 137 | } SIDE_PACKED; |
| 138 | side_check_size(struct side_arg, 64); |
| 139 | |
| 140 | struct side_arg_variant { |
| 141 | struct side_arg selector; |
| 142 | struct side_arg option; |
| 143 | } SIDE_PACKED; |
| 144 | side_check_size(struct side_arg_variant, 128); |
| 145 | |
| 146 | struct side_arg_vec { |
| 147 | side_ptr_t(const struct side_arg) sav; |
| 148 | uint32_t len; |
| 149 | } SIDE_PACKED; |
| 150 | side_check_size(struct side_arg_vec, 20); |
| 151 | |
| 152 | struct side_arg_dynamic_field { |
| 153 | side_ptr_t(const char) field_name; |
| 154 | const struct side_arg elem; |
| 155 | } SIDE_PACKED; |
| 156 | side_check_size(struct side_arg_dynamic_field, 16 + sizeof(const struct side_arg)); |
| 157 | |
| 158 | #endif /* SIDE_TYPE_ARGUMENT_ABI_H */ |