fergalmoran/ladybird
1
0
Fork 0
mirror of https://github.com/fergalmoran/ladybird.git synced 2026-03-06 13:35:03 +00:00
Code Issues Packages Projects Releases Wiki Activity

Kernel: Allow userspace stacks to grow up to 4 MB by default

Browse Source 
Make userspace stacks lazily allocated and allow them to grow up to
4 megabytes. This avoids a lot of silly crashes we were running into
with software expecting much larger stacks. :^)
This commit is contained in:
Andreas Kling
2019-10-31 13:57:07 +01:00
parent 6bd1879189
commit 904c871727
2 changed files with 3 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
Kernel/Thread.cpp
View File

@@ -502,7 +502,7 @@ void Thread::push_value_on_stack(u32 value)
void Thread::make_userspace_stack_for_main_thread(Vector<String> arguments, Vector<String> environment)
{
auto* region = m_process.allocate_region(VirtualAddress(), default_userspace_stack_size, "Stack (Main thread)");
auto* region = m_process.allocate_region(VirtualAddress(), default_userspace_stack_size, "Stack (Main thread)", PROT_READ | PROT_WRITE, false);
ASSERT(region);
m_tss.esp = region->vaddr().offset(default_userspace_stack_size).get();
@@ -537,7 +537,7 @@ void Thread::make_userspace_stack_for_main_thread(Vector<String> arguments, Vect
void Thread::make_userspace_stack_for_secondary_thread(void* argument)
{
m_userspace_stack_region = m_process.allocate_region(VirtualAddress(), default_userspace_stack_size, String::format("Stack (Thread %d)", tid()));
m_userspace_stack_region = m_process.allocate_region(VirtualAddress(), default_userspace_stack_size, String::format("Stack (Thread %d)", tid()), PROT_READ | PROT_WRITE, false);
ASSERT(m_userspace_stack_region);
m_tss.esp = m_userspace_stack_region->vaddr().offset(default_userspace_stack_size).get();