RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-27 21:37:35 +00:00
Code Issues Activity Actions

Kernel: Simplify a bunch of dbg() and klog() calls

Browse source 
LogStream can handle VirtualAddress and PhysicalAddress directly.
This commit is contained in:
Andreas Kling 2020-03-06 15:00:44 +01:00
parent b866582d98
commit c6693f9b3a
11 changed files with 32 additions and 33 deletions
Download patch file Download diff file Expand all files Collapse all files

16
Kernel/Arch/i386/CPU.cpp
View file

@ -246,7 +246,7 @@ void page_fault_handler(RegisterState regs)
bool faulted_in_userspace = (regs.cs & 3) == 3;
if (faulted_in_userspace && !MM.validate_user_stack(*Process::current, VirtualAddress(regs.userspace_esp))) {
dbg() << "Invalid stack pointer: " << String::format("%p", regs.userspace_esp);
dbg() << "Invalid stack pointer: " << VirtualAddress(regs.userspace_esp);
handle_crash(regs, "Bad stack on page fault", SIGSTKFLT);
ASSERT_NOT_REACHED();
}
@ -271,19 +271,19 @@ void page_fault_handler(RegisterState regs)
u32 slab_alloc_scrub_pattern = explode_byte(SLAB_ALLOC_SCRUB_BYTE);
u32 slab_dealloc_scrub_pattern = explode_byte(SLAB_DEALLOC_SCRUB_BYTE);
if ((fault_address & 0xffff0000) == (malloc_scrub_pattern & 0xffff0000)) {
klog() << "Note: Address " << String::format("%p", fault_address) << " looks like it may be uninitialized malloc() memory";
klog() << "Note: Address " << VirtualAddress(fault_address) << " looks like it may be uninitialized malloc() memory";
} else if ((fault_address & 0xffff0000) == (free_scrub_pattern & 0xffff0000)) {
klog() << "Note: Address " << String::format("%p", fault_address) << " looks like it may be recently free()'d memory";
klog() << "Note: Address " << VirtualAddress(fault_address) << " looks like it may be recently free()'d memory";
} else if ((fault_address & 0xffff0000) == (kmalloc_scrub_pattern & 0xffff0000)) {
klog() << "Note: Address " << String::format("%p", fault_address) << " looks like it may be uninitialized kmalloc() memory";
klog() << "Note: Address " << VirtualAddress(fault_address) << " looks like it may be uninitialized kmalloc() memory";
} else if ((fault_address & 0xffff0000) == (kfree_scrub_pattern & 0xffff0000)) {
klog() << "Note: Address " << String::format("%p", fault_address) << " looks like it may be recently kfree()'d memory";
klog() << "Note: Address " << VirtualAddress(fault_address) << " looks like it may be recently kfree()'d memory";
} else if ((fault_address & 0xffff0000) == (slab_alloc_scrub_pattern & 0xffff0000)) {
klog() << "Note: Address " << String::format("%p", fault_address) << " looks like it may be uninitialized slab_alloc() memory";
klog() << "Note: Address " << VirtualAddress(fault_address) << " looks like it may be uninitialized slab_alloc() memory";
} else if ((fault_address & 0xffff0000) == (slab_dealloc_scrub_pattern & 0xffff0000)) {
klog() << "Note: Address " << String::format("%p", fault_address) << " looks like it may be recently slab_dealloc()'d memory";
klog() << "Note: Address " << VirtualAddress(fault_address) << " looks like it may be recently slab_dealloc()'d memory";
} else if (fault_address < 4096) {
klog() << "Note: Address " << String::format("%p", fault_address) << " looks like a possible nullptr dereference";
klog() << "Note: Address " << VirtualAddress(fault_address) << " looks like a possible nullptr dereference";
}
handle_crash(regs, "Page Fault", SIGSEGV);