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Honor ios_is_app_extension chromium build flag

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If building for chromium, honor the ios_is_app_extension gn variable
that is set per toolchain. When it is defined, the code is built for
an application extension (i.e. -fapplication-extension is passed to
the compiler).

Use CRASHPAD_IS_IOS_APP_EXTENSION build guard to not compile code
that use unavailable extension when ios_is_app_extension is set. If
the variable is not set, then check at runtime whether the API can
be used or not (if the crashpad client uses the same toolchain for
the main application and its application extensions).

This is required to pass -fapplication-extension to the compiler when
building application extensions (which allow catching API that is not
available to application extensions).

Bug: 40120082
Change-Id: I28d545fcfd0f8662430c40ff202b79b0c2b2ff8b
Reviewed-on: https://chromium-review.googlesource.com/c/crashpad/crashpad/+/5286216
Reviewed-by: Justin Cohen <justincohen@chromium.org>
Commit-Queue: Sylvain Defresne <sdefresne@chromium.org>
This commit is contained in:
Sylvain Defresne 2024-02-12 16:23:37 +01:00 committed by Crashpad LUCI CQ
parent c576bf35ea
commit 5075fb617a
3 changed files with 31 additions and 0 deletions
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13
build/BUILD.gn
View File

@ -72,4 +72,17 @@ if (crashpad_is_ios) {
]
}
}
if (crashpad_is_in_chromium) {
import("//build/config/ios/ios_sdk.gni")
crashpad_is_ios_app_extension = ios_is_app_extension
} else {
crashpad_is_ios_app_extension = false
}
config("crashpad_is_ios_app_extension") {
if (crashpad_is_ios_app_extension) {
defines = [ "CRASHPAD_IS_IOS_APP_EXTENSION" ]
}
}
}

4
util/BUILD.gn
View File

@ -597,6 +597,10 @@ crashpad_static_library("util") {
]
}
if (crashpad_is_ios) {
configs += [ "../build:crashpad_is_ios_app_extension" ]
}
if (crashpad_is_win) {
libs = [
"user32.lib",

14
util/ios/ios_system_data_collector.mm
View File

@ -22,6 +22,7 @@
#import <UIKit/UIKit.h>
#include "base/apple/mach_logging.h"
#include "base/notreached.h"
#include "base/numerics/safe_conversions.h"
#include "base/strings/stringprintf.h"
#include "base/strings/sys_string_conversions.h"
@ -99,7 +100,14 @@ IOSSystemDataCollector::IOSSystemDataCollector()
build_ = ReadStringSysctlByName("kern.osversion");
bundle_identifier_ =
base::SysNSStringToUTF8([[NSBundle mainBundle] bundleIdentifier]);
// If CRASHPAD_IS_IOS_APP_EXTENSION is defined, then the code is compiled with
// -fapplication-extension and can only be used in an app extension. Otherwise
// check at runtime whether the code is executing in an app extension or not.
#if defined(CRASHPAD_IS_IOS_APP_EXTENSION)
is_extension_ = true;
#else
is_extension_ = [[NSBundle mainBundle].bundlePath hasSuffix:@"appex"];
#endif
#if defined(ARCH_CPU_X86_64)
cpu_vendor_ = ReadStringSysctlByName("machdep.cpu.vendor");
@ -172,6 +180,7 @@ void IOSSystemDataCollector::InstallHandlers() {
(__bridge CFStringRef)UIDeviceOrientationDidChangeNotification, this);
OrientationDidChangeNotification();
#if !defined(CRASHPAD_IS_IOS_APP_EXTENSION)
// Foreground/Background. Extensions shouldn't use UIApplication*.
if (!is_extension_) {
AddObserver<
@ -185,6 +194,7 @@ void IOSSystemDataCollector::InstallHandlers() {
this);
ApplicationDidChangeActiveNotification();
}
#endif
}
void IOSSystemDataCollector::SystemTimeZoneDidChangeNotification() {
@ -228,6 +238,9 @@ void IOSSystemDataCollector::OrientationDidChangeNotification() {
}
void IOSSystemDataCollector::ApplicationDidChangeActiveNotification() {
#if defined(CRASHPAD_IS_IOS_APP_EXTENSION)
NOTREACHED_NORETURN();
#else
dispatch_assert_queue_debug(dispatch_get_main_queue());
bool old_active = active_;
active_ = [UIApplication sharedApplication].applicationState ==
@ -235,6 +248,7 @@ void IOSSystemDataCollector::ApplicationDidChangeActiveNotification() {
if (active_ != old_active && active_application_callback_) {
active_application_callback_(active_);
}
#endif
}
} // namespace internal