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--- xnu/xnu-12377.121.6/libkern/OSKextLib.cpp
+++ xnu/xnu-6153.41.3/libkern/OSKextLib.cpp
@@ -31,13 +31,10 @@
#include <libkern/mkext.h>
};
-#include <kern/telemetry.h>
#include <libkern/c++/OSContainers.h>
#include <libkern/c++/OSKext.h>
#include <libkern/OSKextLib.h>
#include <libkern/OSKextLibPrivate.h>
-#include <vm/vm_kern_xnu.h>
-#include <vm/vm_map_xnu.h>
extern "C" {
#if PRAGMA_MARK
@@ -77,12 +74,6 @@
/*********************************************************************
*********************************************************************/
-
-// FIXME: Implementation of this function is hidden from the static analyzer.
-// The analyzer is worried about the lack of release and suggests
-// refactoring the code into the typical non-owning container pattern.
-// Feel free to remove the #ifndef and address the warning!
-#ifndef __clang_analyzer__
OSReturn
OSKextRetainKextWithLoadTag(uint32_t loadTag)
{
@@ -117,16 +108,9 @@
finish:
return result;
}
-#endif // __clang_analyzer__
-
-/*********************************************************************
-*********************************************************************/
-
-// FIXME: Implementation of this function is hidden from the static analyzer.
-// The analyzer is worried about the double release and suggests
-// refactoring the code into the typical non-owning container pattern.
-// Feel free to remove the #ifndef and address the warning!
-#ifndef __clang_analyzer__
+
+/*********************************************************************
+*********************************************************************/
OSReturn
OSKextReleaseKextWithLoadTag(uint32_t loadTag)
{
@@ -162,7 +146,6 @@
finish:
return result;
}
-#endif // __clang_analyzer__
/*********************************************************************
* Not to be called by the kext being unloaded!
@@ -287,7 +270,7 @@
}
if (isMkext) {
-#if defined(SECURE_KERNEL) || !CONFIG_KXLD
+#ifdef SECURE_KERNEL
// xxx - something tells me if we have a secure kernel we don't even
// xxx - want to log a message here. :-)
*op_result = KERN_NOT_SUPPORTED;
@@ -380,31 +363,21 @@
* Gets the vm_map for the current kext
*********************************************************************/
extern vm_offset_t segPRELINKTEXTB;
-extern vm_offset_t segLINKB;
extern unsigned long segSizePRELINKTEXT;
+extern int kth_started;
+extern vm_map_t g_kext_map;
vm_map_t
kext_get_vm_map(kmod_info_t *info)
{
vm_map_t kext_map = NULL;
- kc_format_t kcformat;
-
- if (PE_get_primary_kc_format(&kcformat) && kcformat == KCFormatFileset) {
- /* Check if the kext is from the boot KC */
- assert(segLINKB >= (segPRELINKTEXTB + segSizePRELINKTEXT));
- if ((info->address >= segPRELINKTEXTB) &&
- (info->address < segLINKB)) {
- kext_map = kernel_map;
- } else {
- kext_map = g_kext_map;
- }
+
+ /* Set the vm map */
+ if ((info->address >= segPRELINKTEXTB) &&
+ (info->address < (segPRELINKTEXTB + segSizePRELINKTEXT))) {
+ kext_map = kernel_map;
} else {
- if ((info->address >= segPRELINKTEXTB) &&
- (info->address < (segPRELINKTEXTB + segSizePRELINKTEXT))) {
- kext_map = kernel_map;
- } else {
- kext_map = g_kext_map;
- }
+ kext_map = g_kext_map;
}
return kext_map;
@@ -419,7 +392,7 @@
void
kext_weak_symbol_referenced(void)
{
- panic("A kext referenced an unresolved weak symbol");
+ panic("A kext referenced an unresolved weak symbol\n");
}
const void * const gOSKextUnresolved = (const void *)&kext_weak_symbol_referenced;
@@ -483,36 +456,6 @@
return;
}
-void
-telemetry_backtrace_add_kexts(
- char *buf,
- size_t buflen,
- uintptr_t *frames,
- uint32_t framecnt)
-{
- __block size_t pos = 0;
-
- OSKext::foreachKextInBacktrace(frames, framecnt, OSKext::kPrintKextsLock,
- ^(OSKextLoadedKextSummary *summary, uint32_t index __unused){
- uuid_string_t uuid;
- uint64_t tmpAddr;
- uint64_t tmpSize;
-
- (void) uuid_unparse(summary->uuid, uuid);
-
-#if defined(__arm__) || defined(__arm64__)
- tmpAddr = summary->text_exec_address;
- tmpSize = summary->text_exec_size;
-#else
- tmpAddr = summary->address;
- tmpSize = summary->size;
-#endif
- tmpAddr -= vm_kernel_stext;
- pos += scnprintf(buf + pos, buflen - pos, "%s@%llx:%llx\n",
- uuid, tmpAddr, tmpAddr + tmpSize - 1);
- });
-}
-
/********************************************************************/
void kmod_dump_log(vm_offset_t *addr, unsigned int cnt, boolean_t doUnslide);
@@ -535,13 +478,6 @@
return OSKext::kextForAddress(addr);
}
-kern_return_t
-OSKextGetLoadedKextSummaryForAddress(
- const void * addr,
- OSKextLoadedKextSummary * summary)
-{
- return OSKext::summaryForAddressExt(addr, summary);
-}
/*********************************************************************
* Compatibility implementation for kmod_get_info() host_priv routine.