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pull/16992/head
Protobuf Team Bot 8 months ago
parent b57c374146
commit bf7ac9f2f1
4 changed files with 390 additions and 0 deletions
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  1. 98
      php/ext/google/protobuf/php-upb.c
  2. 97
      php/ext/google/protobuf/php-upb.h
  3. 98
      ruby/ext/google/protobuf_c/ruby-upb.c
  4. 97
      ruby/ext/google/protobuf_c/ruby-upb.h

98
php/ext/google/protobuf/php-upb.c
Unescape View File

@ -347,6 +347,82 @@ error UPB_TRACING_ENABLED Tracing should be disabled in production builds
#endif
#endif
// Linker arrays combine elements from multiple translation units into a single
// array that can be iterated over at runtime.
//
// It is an alternative to pre-main "registration" functions.
//
// Usage:
//
// // In N translation units.
// UPB_LINKARR_APPEND(foo_array) static int elems[3] = {1, 2, 3};
//
// // At runtime:
// UPB_LINKARR_DECLARE(foo_array, int);
//
// void f() {
// const int* start = UPB_LINKARR_START(foo_array);
// const int* stop = UPB_LINKARR_STOP(foo_array);
// for (const int* p = start; p < stop; p++) {
// // Windows can introduce zero padding, so we have to skip zeroes.
// if (*p != 0) {
// vec.push_back(*p);
// }
// }
// }
#if defined(__ELF__) || defined(__wasm__)
#define UPB_LINKARR_APPEND(name) \
__attribute__((retain, used, section("linkarr_" #name)))
#define UPB_LINKARR_DECLARE(name, type) \
extern type const __start_linkarr_##name; \
extern type const __stop_linkarr_##name; \
UPB_LINKARR_APPEND(name) type UPB_linkarr_internal_empty_##name[1] = {0}
#define UPB_LINKARR_START(name) (&__start_linkarr_##name)
#define UPB_LINKARR_STOP(name) (&__stop_linkarr_##name)
#elif defined(__MACH__)
/* As described in: https://stackoverflow.com/a/22366882 */
#define UPB_LINKARR_APPEND(name) \
__attribute__((retain, used, section("__DATA,la_" #name)))
#define UPB_LINKARR_DECLARE(name, type) \
extern type const __start_linkarr_##name __asm( \
"section$start$__DATA$la_" #name); \
extern type const __stop_linkarr_##name __asm( \
"section$end$__DATA$" \
"la_" #name); \
UPB_LINKARR_APPEND(name) type UPB_linkarr_internal_empty_##name[1] = {0}
#define UPB_LINKARR_START(name) (&__start_linkarr_##name)
#define UPB_LINKARR_STOP(name) (&__stop_linkarr_##name)
#elif defined(_MSC_VER) && defined(__clang__)
/* See:
* https://devblogs.microsoft.com/oldnewthing/20181107-00/?p=100155
* https://devblogs.microsoft.com/oldnewthing/20181108-00/?p=100165
* https://devblogs.microsoft.com/oldnewthing/20181109-00/?p=100175 */
// Usage of __attribute__ here probably means this is Clang-specific, and would
// not work on MSVC.
#define UPB_LINKARR_APPEND(name) \
__declspec(allocate("la_" #name "$j")) __attribute__((retain, used))
#define UPB_LINKARR_DECLARE(name, type) \
__declspec(allocate("la_" #name "$a")) type __start_linkarr_##name; \
__declspec(allocate("la_" #name "$z")) type __stop_linkarr_##name; \
UPB_LINKARR_APPEND(name) type UPB_linkarr_internal_empty_##name[1] = {0}
#define UPB_LINKARR_START(name) (&__start_linkarr_##name)
#define UPB_LINKARR_STOP(name) (&__stop_linkarr_##name)
#else
// Linker arrays are not supported on this platform. Make appends a no-op but
// don't define the other macros.
#define UPB_LINKARR_APPEND(name)
#endif
#include <errno.h>
#include <float.h>
@ -7451,6 +7527,24 @@ failure:
return false;
}
#ifdef UPB_LINKARR_DECLARE
UPB_LINKARR_DECLARE(upb_AllExts, const upb_MiniTableExtension*);
bool upb_ExtensionRegistry_AddAllLinkedExtensions(upb_ExtensionRegistry* r) {
const upb_MiniTableExtension* const* start = UPB_LINKARR_START(upb_AllExts);
const upb_MiniTableExtension* const* stop = UPB_LINKARR_STOP(upb_AllExts);
for (const upb_MiniTableExtension* const* p = start; p < stop; p++) {
// Windows can introduce zero padding, so we have to skip zeroes.
if (*p != 0) {
if (!upb_ExtensionRegistry_Add(r, *p)) return false;
}
}
return true;
}
#endif // UPB_LINKARR_DECLARE
const upb_MiniTableExtension* upb_ExtensionRegistry_Lookup(
const upb_ExtensionRegistry* r, const upb_MiniTable* t, uint32_t num) {
char buf[EXTREG_KEY_SIZE];
@ -16916,3 +17010,7 @@ upb_ServiceDef* _upb_ServiceDefs_New(upb_DefBuilder* ctx, int n,
#undef UPB_USE_C11_ATOMICS
#undef UPB_PRIVATE
#undef UPB_ONLYBITS
#undef UPB_LINKARR_DECLARE
#undef UPB_LINKARR_APPEND
#undef UPB_LINKARR_START
#undef UPB_LINKARR_STOP

97
php/ext/google/protobuf/php-upb.h
Unescape View File

@ -346,6 +346,82 @@ error UPB_TRACING_ENABLED Tracing should be disabled in production builds
#endif
#endif
// Linker arrays combine elements from multiple translation units into a single
// array that can be iterated over at runtime.
//
// It is an alternative to pre-main "registration" functions.
//
// Usage:
//
// // In N translation units.
// UPB_LINKARR_APPEND(foo_array) static int elems[3] = {1, 2, 3};
//
// // At runtime:
// UPB_LINKARR_DECLARE(foo_array, int);
//
// void f() {
// const int* start = UPB_LINKARR_START(foo_array);
// const int* stop = UPB_LINKARR_STOP(foo_array);
// for (const int* p = start; p < stop; p++) {
// // Windows can introduce zero padding, so we have to skip zeroes.
// if (*p != 0) {
// vec.push_back(*p);
// }
// }
// }
#if defined(__ELF__) || defined(__wasm__)
#define UPB_LINKARR_APPEND(name) \
__attribute__((retain, used, section("linkarr_" #name)))
#define UPB_LINKARR_DECLARE(name, type) \
extern type const __start_linkarr_##name; \
extern type const __stop_linkarr_##name; \
UPB_LINKARR_APPEND(name) type UPB_linkarr_internal_empty_##name[1] = {0}
#define UPB_LINKARR_START(name) (&__start_linkarr_##name)
#define UPB_LINKARR_STOP(name) (&__stop_linkarr_##name)
#elif defined(__MACH__)
/* As described in: https://stackoverflow.com/a/22366882 */
#define UPB_LINKARR_APPEND(name) \
__attribute__((retain, used, section("__DATA,la_" #name)))
#define UPB_LINKARR_DECLARE(name, type) \
extern type const __start_linkarr_##name __asm( \
"section$start$__DATA$la_" #name); \
extern type const __stop_linkarr_##name __asm( \
"section$end$__DATA$" \
"la_" #name); \
UPB_LINKARR_APPEND(name) type UPB_linkarr_internal_empty_##name[1] = {0}
#define UPB_LINKARR_START(name) (&__start_linkarr_##name)
#define UPB_LINKARR_STOP(name) (&__stop_linkarr_##name)
#elif defined(_MSC_VER) && defined(__clang__)
/* See:
* https://devblogs.microsoft.com/oldnewthing/20181107-00/?p=100155
* https://devblogs.microsoft.com/oldnewthing/20181108-00/?p=100165
* https://devblogs.microsoft.com/oldnewthing/20181109-00/?p=100175 */
// Usage of __attribute__ here probably means this is Clang-specific, and would
// not work on MSVC.
#define UPB_LINKARR_APPEND(name) \
__declspec(allocate("la_" #name "$j")) __attribute__((retain, used))
#define UPB_LINKARR_DECLARE(name, type) \
__declspec(allocate("la_" #name "$a")) type __start_linkarr_##name; \
__declspec(allocate("la_" #name "$z")) type __stop_linkarr_##name; \
UPB_LINKARR_APPEND(name) type UPB_linkarr_internal_empty_##name[1] = {0}
#define UPB_LINKARR_START(name) (&__start_linkarr_##name)
#define UPB_LINKARR_STOP(name) (&__stop_linkarr_##name)
#else
// Linker arrays are not supported on this platform. Make appends a no-op but
// don't define the other macros.
#define UPB_LINKARR_APPEND(name)
#endif
#ifndef UPB_BASE_STATUS_H_
#define UPB_BASE_STATUS_H_
@ -4283,6 +4359,23 @@ bool upb_ExtensionRegistry_AddArray(upb_ExtensionRegistry* r,
const upb_MiniTableExtension** e,
size_t count);
#ifdef UPB_LINKARR_DECLARE
// Adds all extensions linked into the binary into the registry. The set of
// linked extensions is assembled by the linker using linker arrays. This
// will likely not work properly if the extensions are split across multiple
// shared libraries.
//
// Returns true if all extensions were added successfully, false on out of
// memory or if any extensions were already present.
//
// This API is currently not available on MSVC (though it *is* available on
// Windows using clang-cl).
UPB_API bool upb_ExtensionRegistry_AddAllLinkedExtensions(
upb_ExtensionRegistry* r);
#endif // UPB_LINKARR_DECLARE
// Looks up the extension (if any) defined for message type |t| and field
// number |num|. Returns the extension if found, otherwise NULL.
UPB_API const upb_MiniTableExtension* upb_ExtensionRegistry_Lookup(
@ -14900,3 +14993,7 @@ upb_MethodDef* _upb_MethodDefs_New(upb_DefBuilder* ctx, int n,
#undef UPB_USE_C11_ATOMICS
#undef UPB_PRIVATE
#undef UPB_ONLYBITS
#undef UPB_LINKARR_DECLARE
#undef UPB_LINKARR_APPEND
#undef UPB_LINKARR_START
#undef UPB_LINKARR_STOP

98
ruby/ext/google/protobuf_c/ruby-upb.c
Unescape View File

@ -347,6 +347,82 @@ error UPB_TRACING_ENABLED Tracing should be disabled in production builds
#endif
#endif
// Linker arrays combine elements from multiple translation units into a single
// array that can be iterated over at runtime.
//
// It is an alternative to pre-main "registration" functions.
//
// Usage:
//
// // In N translation units.
// UPB_LINKARR_APPEND(foo_array) static int elems[3] = {1, 2, 3};
//
// // At runtime:
// UPB_LINKARR_DECLARE(foo_array, int);
//
// void f() {
// const int* start = UPB_LINKARR_START(foo_array);
// const int* stop = UPB_LINKARR_STOP(foo_array);
// for (const int* p = start; p < stop; p++) {
// // Windows can introduce zero padding, so we have to skip zeroes.
// if (*p != 0) {
// vec.push_back(*p);
// }
// }
// }
#if defined(__ELF__) || defined(__wasm__)
#define UPB_LINKARR_APPEND(name) \
__attribute__((retain, used, section("linkarr_" #name)))
#define UPB_LINKARR_DECLARE(name, type) \
extern type const __start_linkarr_##name; \
extern type const __stop_linkarr_##name; \
UPB_LINKARR_APPEND(name) type UPB_linkarr_internal_empty_##name[1] = {0}
#define UPB_LINKARR_START(name) (&__start_linkarr_##name)
#define UPB_LINKARR_STOP(name) (&__stop_linkarr_##name)
#elif defined(__MACH__)
/* As described in: https://stackoverflow.com/a/22366882 */
#define UPB_LINKARR_APPEND(name) \
__attribute__((retain, used, section("__DATA,la_" #name)))
#define UPB_LINKARR_DECLARE(name, type) \
extern type const __start_linkarr_##name __asm( \
"section$start$__DATA$la_" #name); \
extern type const __stop_linkarr_##name __asm( \
"section$end$__DATA$" \
"la_" #name); \
UPB_LINKARR_APPEND(name) type UPB_linkarr_internal_empty_##name[1] = {0}
#define UPB_LINKARR_START(name) (&__start_linkarr_##name)
#define UPB_LINKARR_STOP(name) (&__stop_linkarr_##name)
#elif defined(_MSC_VER) && defined(__clang__)
/* See:
* https://devblogs.microsoft.com/oldnewthing/20181107-00/?p=100155
* https://devblogs.microsoft.com/oldnewthing/20181108-00/?p=100165
* https://devblogs.microsoft.com/oldnewthing/20181109-00/?p=100175 */
// Usage of __attribute__ here probably means this is Clang-specific, and would
// not work on MSVC.
#define UPB_LINKARR_APPEND(name) \
__declspec(allocate("la_" #name "$j")) __attribute__((retain, used))
#define UPB_LINKARR_DECLARE(name, type) \
__declspec(allocate("la_" #name "$a")) type __start_linkarr_##name; \
__declspec(allocate("la_" #name "$z")) type __stop_linkarr_##name; \
UPB_LINKARR_APPEND(name) type UPB_linkarr_internal_empty_##name[1] = {0}
#define UPB_LINKARR_START(name) (&__start_linkarr_##name)
#define UPB_LINKARR_STOP(name) (&__stop_linkarr_##name)
#else
// Linker arrays are not supported on this platform. Make appends a no-op but
// don't define the other macros.
#define UPB_LINKARR_APPEND(name)
#endif
#include <errno.h>
#include <float.h>
@ -6939,6 +7015,24 @@ failure:
return false;
}
#ifdef UPB_LINKARR_DECLARE
UPB_LINKARR_DECLARE(upb_AllExts, const upb_MiniTableExtension*);
bool upb_ExtensionRegistry_AddAllLinkedExtensions(upb_ExtensionRegistry* r) {
const upb_MiniTableExtension* const* start = UPB_LINKARR_START(upb_AllExts);
const upb_MiniTableExtension* const* stop = UPB_LINKARR_STOP(upb_AllExts);
for (const upb_MiniTableExtension* const* p = start; p < stop; p++) {
// Windows can introduce zero padding, so we have to skip zeroes.
if (*p != 0) {
if (!upb_ExtensionRegistry_Add(r, *p)) return false;
}
}
return true;
}
#endif // UPB_LINKARR_DECLARE
const upb_MiniTableExtension* upb_ExtensionRegistry_Lookup(
const upb_ExtensionRegistry* r, const upb_MiniTable* t, uint32_t num) {
char buf[EXTREG_KEY_SIZE];
@ -16404,3 +16498,7 @@ upb_ServiceDef* _upb_ServiceDefs_New(upb_DefBuilder* ctx, int n,
#undef UPB_USE_C11_ATOMICS
#undef UPB_PRIVATE
#undef UPB_ONLYBITS
#undef UPB_LINKARR_DECLARE
#undef UPB_LINKARR_APPEND
#undef UPB_LINKARR_START
#undef UPB_LINKARR_STOP

97
ruby/ext/google/protobuf_c/ruby-upb.h
Unescape View File

@ -348,6 +348,82 @@ error UPB_TRACING_ENABLED Tracing should be disabled in production builds
#endif
#endif
// Linker arrays combine elements from multiple translation units into a single
// array that can be iterated over at runtime.
//
// It is an alternative to pre-main "registration" functions.
//
// Usage:
//
// // In N translation units.
// UPB_LINKARR_APPEND(foo_array) static int elems[3] = {1, 2, 3};
//
// // At runtime:
// UPB_LINKARR_DECLARE(foo_array, int);
//
// void f() {
// const int* start = UPB_LINKARR_START(foo_array);
// const int* stop = UPB_LINKARR_STOP(foo_array);
// for (const int* p = start; p < stop; p++) {
// // Windows can introduce zero padding, so we have to skip zeroes.
// if (*p != 0) {
// vec.push_back(*p);
// }
// }
// }
#if defined(__ELF__) || defined(__wasm__)
#define UPB_LINKARR_APPEND(name) \
__attribute__((retain, used, section("linkarr_" #name)))
#define UPB_LINKARR_DECLARE(name, type) \
extern type const __start_linkarr_##name; \
extern type const __stop_linkarr_##name; \
UPB_LINKARR_APPEND(name) type UPB_linkarr_internal_empty_##name[1] = {0}
#define UPB_LINKARR_START(name) (&__start_linkarr_##name)
#define UPB_LINKARR_STOP(name) (&__stop_linkarr_##name)
#elif defined(__MACH__)
/* As described in: https://stackoverflow.com/a/22366882 */
#define UPB_LINKARR_APPEND(name) \
__attribute__((retain, used, section("__DATA,la_" #name)))
#define UPB_LINKARR_DECLARE(name, type) \
extern type const __start_linkarr_##name __asm( \
"section$start$__DATA$la_" #name); \
extern type const __stop_linkarr_##name __asm( \
"section$end$__DATA$" \
"la_" #name); \
UPB_LINKARR_APPEND(name) type UPB_linkarr_internal_empty_##name[1] = {0}
#define UPB_LINKARR_START(name) (&__start_linkarr_##name)
#define UPB_LINKARR_STOP(name) (&__stop_linkarr_##name)
#elif defined(_MSC_VER) && defined(__clang__)
/* See:
* https://devblogs.microsoft.com/oldnewthing/20181107-00/?p=100155
* https://devblogs.microsoft.com/oldnewthing/20181108-00/?p=100165
* https://devblogs.microsoft.com/oldnewthing/20181109-00/?p=100175 */
// Usage of __attribute__ here probably means this is Clang-specific, and would
// not work on MSVC.
#define UPB_LINKARR_APPEND(name) \
__declspec(allocate("la_" #name "$j")) __attribute__((retain, used))
#define UPB_LINKARR_DECLARE(name, type) \
__declspec(allocate("la_" #name "$a")) type __start_linkarr_##name; \
__declspec(allocate("la_" #name "$z")) type __stop_linkarr_##name; \
UPB_LINKARR_APPEND(name) type UPB_linkarr_internal_empty_##name[1] = {0}
#define UPB_LINKARR_START(name) (&__start_linkarr_##name)
#define UPB_LINKARR_STOP(name) (&__stop_linkarr_##name)
#else
// Linker arrays are not supported on this platform. Make appends a no-op but
// don't define the other macros.
#define UPB_LINKARR_APPEND(name)
#endif
#ifndef UPB_BASE_STATUS_H_
#define UPB_BASE_STATUS_H_
@ -4285,6 +4361,23 @@ bool upb_ExtensionRegistry_AddArray(upb_ExtensionRegistry* r,
const upb_MiniTableExtension** e,
size_t count);
#ifdef UPB_LINKARR_DECLARE
// Adds all extensions linked into the binary into the registry. The set of
// linked extensions is assembled by the linker using linker arrays. This
// will likely not work properly if the extensions are split across multiple
// shared libraries.
//
// Returns true if all extensions were added successfully, false on out of
// memory or if any extensions were already present.
//
// This API is currently not available on MSVC (though it *is* available on
// Windows using clang-cl).
UPB_API bool upb_ExtensionRegistry_AddAllLinkedExtensions(
upb_ExtensionRegistry* r);
#endif // UPB_LINKARR_DECLARE
// Looks up the extension (if any) defined for message type |t| and field
// number |num|. Returns the extension if found, otherwise NULL.
UPB_API const upb_MiniTableExtension* upb_ExtensionRegistry_Lookup(
@ -14713,3 +14806,7 @@ upb_MethodDef* _upb_MethodDefs_New(upb_DefBuilder* ctx, int n,
#undef UPB_USE_C11_ATOMICS
#undef UPB_PRIVATE
#undef UPB_ONLYBITS
#undef UPB_LINKARR_DECLARE
#undef UPB_LINKARR_APPEND
#undef UPB_LINKARR_START
#undef UPB_LINKARR_STOP

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