Reduce statically initialized strings (#2672)

Signed-off-by: Alan Jowett <alan.jowett@microsoft.com>
Co-authored-by: Alan Jowett <alan.jowett@microsoft.com>

libs/api_common/windows_platform_common.cpp

@@ -396,7 +396,7 @@ get_program_type_windows(const std::string& section, const std::string&)
         return get_program_type_windows(*global_program_type);
     } catch (...) {
         if (!get_verification_in_progress()) {
-            return windows_unspecified_program_type;
+            return PTYPE("unspec", {0}, (uint64_t)&EBPF_PROGRAM_TYPE_UNSPECIFIED, {});
         } else {
             if (global_program_type_found) {
                 auto guid_string = guid_to_string(global_program_type);

libs/api_common/windows_program_type.h

@@ -24,72 +24,6 @@
 // the preprocessor treat a prefix list as one macro argument.
 #define COMMA ,
 
-//
-// XDP program type.
-//
-const ebpf_context_descriptor_t g_xdp_context_descriptor = {
-    sizeof(xdp_md_t),
-    EBPF_OFFSET_OF(xdp_md_t, data),
-    EBPF_OFFSET_OF(xdp_md_t, data_end),
-    EBPF_OFFSET_OF(xdp_md_t, data_meta)};
-
-const EbpfProgramType windows_xdp_program_type =
-    PTYPE("xdp", &g_xdp_context_descriptor, (uint64_t)&EBPF_PROGRAM_TYPE_XDP, {"xdp"});
-
-//
-// Bind program type.
-//
-const ebpf_context_descriptor_t g_bind_context_descriptor = {
-    sizeof(bind_md_t), EBPF_OFFSET_OF(bind_md_t, app_id_start), EBPF_OFFSET_OF(bind_md_t, app_id_end), -1};
-
-const EbpfProgramType windows_bind_program_type =
-    PTYPE("bind", &g_bind_context_descriptor, (uint64_t)&EBPF_PROGRAM_TYPE_BIND, {"bind"});
-
-//
-// eBPF Sample extensions program type.
-//
-const ebpf_context_descriptor_t g_sample_ext_context_descriptor = {
-    sizeof(sample_program_context_t),
-    EBPF_OFFSET_OF(sample_program_context_t, data_start),
-    EBPF_OFFSET_OF(sample_program_context_t, data_end),
-    -1, // Offset into ctx struct for pointer to metadata, or -1 if none.
-};
-
-const EbpfProgramType windows_sample_ext_program_type =
-    PTYPE("sample_ext", &g_sample_ext_context_descriptor, (uint64_t)&EBPF_PROGRAM_TYPE_SAMPLE, {"sample_ext"});
-
-//
-// CGROUP_SOCK_ADDR.
-//
-const ebpf_context_descriptor_t g_sock_addr_context_descriptor = {
-    sizeof(bpf_sock_addr_t),
-    -1, // Offset into ctx struct for pointer to data, or -1 if none.
-    -1, // Offset into ctx struct for pointer to data, or -1 if none.
-    -1, // Offset into ctx struct for pointer to metadata, or -1 if none.
-};
-
-const EbpfProgramType windows_sock_addr_program_type = {
-    "sock_addr",
-    &g_sock_addr_context_descriptor,
-    (uint64_t)&EBPF_PROGRAM_TYPE_CGROUP_SOCK_ADDR,
-    {"cgroup/connect4", "cgroup/connect6", "cgroup/recv_accept4", "cgroup/recv_accept6"}};
-
-//
-// SOCK_OPS.
-//
-const ebpf_context_descriptor_t g_sock_ops_context_descriptor = {
-    sizeof(bpf_sock_ops_t),
-    -1, // Offset into ctx struct for pointer to data, or -1 if none.
-    -1, // Offset into ctx struct for pointer to data, or -1 if none.
-    -1, // Offset into ctx struct for pointer to metadata, or -1 if none.
-};
-
-const EbpfProgramType windows_sock_ops_program_type = {
-    "sockops", &g_sock_ops_context_descriptor, (uint64_t)&EBPF_PROGRAM_TYPE_SOCK_OPS, {"sockops"}};
-
-const EbpfProgramType windows_unspecified_program_type =
-    PTYPE("unspec", {0}, (uint64_t)&EBPF_PROGRAM_TYPE_UNSPECIFIED, {});
-
 typedef struct _ebpf_section_definition
 {
     _Field_z_ const char* section_prefix;
@@ -114,9 +48,3 @@ struct helper_function_info_t
     const size_t count;
     const ebpf_helper_function_prototype_t* data;
 };
-
-const std::map<ebpf_program_type_t, helper_function_info_t, ebpf_attach_type_compare>
-    program_type_specific_helper_functions = {
-        {EBPF_PROGRAM_TYPE_XDP, _xdp_ebpf_extension_helper_function_prototype},
-        {EBPF_PROGRAM_TYPE_SAMPLE, _sample_ebpf_extension_helper_function_prototype},
-};