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kernel: Obey "load_symbols" kernel setting.

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Somehow this was never implemented...
This commit is contained in:
Augustin Cavalier
2019-01-14 20:31:48 -05:00
parent 56583ffb3a
commit 36f72031b1
1 changed files with 12 additions and 4 deletions
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src/system/kernel/elf.cpp
+12 -4
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@@ -25,6 +25,7 @@
#include <AutoDeleter.h> #include <AutoDeleter.h>
#include <commpage.h> #include <commpage.h>
#include <driver_settings.h>
#include <boot/kernel_args.h> #include <boot/kernel_args.h>
#include <debug.h> #include <debug.h>
#include <image_defs.h> #include <image_defs.h>
@@ -93,6 +94,7 @@ static mutex sImageMutex = MUTEX_INITIALIZER("kimages_lock");
static mutex sImageLoadMutex = MUTEX_INITIALIZER("kimages_load_lock"); static mutex sImageLoadMutex = MUTEX_INITIALIZER("kimages_load_lock");
// serializes loading/unloading add-ons locking order // serializes loading/unloading add-ons locking order
// sImageLoadMutex -> sImageMutex // sImageLoadMutex -> sImageMutex
static bool sLoadElfSymbols = false;
static bool sInitialized = false; static bool sInitialized = false;
@@ -2393,8 +2395,7 @@ load_kernel_add_on(const char *path)
vm_unreserve_address_range(VMAddressSpace::KernelID(), reservedAddress, vm_unreserve_address_range(VMAddressSpace::KernelID(), reservedAddress,
reservedSize); reservedSize);
// ToDo: this should be enabled by kernel settings! if (sLoadElfSymbols)
if (1)
load_elf_symbol_table(fd, image); load_elf_symbol_table(fd, image);
free(programHeaders); free(programHeaders);
@@ -2721,12 +2722,19 @@ elf_read_kernel_image_symbols(image_id id, elf_sym* symbolTable,
status_t status_t
elf_init(kernel_args *args) elf_init(kernel_args* args)
{ {
struct preloaded_image *image; struct preloaded_image* image;
image_init(); image_init();
if (void* handle = load_driver_settings("kernel")) {
sLoadElfSymbols = get_driver_boolean_parameter(handle, "load_symbols",
false, false);
unload_driver_settings(handle);
}
sImagesHash = new(std::nothrow) ImageHash(); sImagesHash = new(std::nothrow) ImageHash();
if (sImagesHash == NULL) if (sImagesHash == NULL)
return B_NO_MEMORY; return B_NO_MEMORY;