diff options
author | Andreas Kling <awesomekling@gmail.com> | 2020-01-09 18:02:01 +0100 |
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committer | Andreas Kling <awesomekling@gmail.com> | 2020-01-09 18:02:01 +0100 |
commit | 17ef5bc0ace2eb662445b612913e4ae5e3304c34 (patch) | |
tree | 2eeaee0443484b5fe7c14db1bab474d12eb410bb /Kernel | |
parent | f007a63b1086988736313142c2f332160e1698ab (diff) | |
download | serenity-17ef5bc0ace2eb662445b612913e4ae5e3304c34.zip |
Kernel: Rename {ss,esp}_if_crossRing to userspace_{ss,esp}
These were always so awkwardly named.
Diffstat (limited to 'Kernel')
-rw-r--r-- | Kernel/Arch/i386/CPU.cpp | 8 | ||||
-rw-r--r-- | Kernel/Arch/i386/CPU.h | 4 | ||||
-rw-r--r-- | Kernel/Process.cpp | 8 | ||||
-rw-r--r-- | Kernel/Scheduler.cpp | 4 | ||||
-rw-r--r-- | Kernel/Syscall.cpp | 4 | ||||
-rw-r--r-- | Kernel/Thread.cpp | 2 |
6 files changed, 15 insertions, 15 deletions
diff --git a/Kernel/Arch/i386/CPU.cpp b/Kernel/Arch/i386/CPU.cpp index 6282adfcc7..f9f9a1f3b5 100644 --- a/Kernel/Arch/i386/CPU.cpp +++ b/Kernel/Arch/i386/CPU.cpp @@ -135,8 +135,8 @@ static void dump(const RegisterDump& regs) ss = regs.ss; esp = regs.esp; } else { - ss = regs.ss_if_crossRing; - esp = regs.esp_if_crossRing; + ss = regs.userspace_ss; + esp = regs.userspace_esp; } kprintf("exception code: %04x (isr: %04x)\n", regs.exception_code, regs.isr_number); @@ -247,8 +247,8 @@ void page_fault_handler(RegisterDump regs) #endif bool faulted_in_userspace = (regs.cs & 3) == 3; - if (faulted_in_userspace && !MM.validate_user_stack(current->process(), VirtualAddress(regs.esp_if_crossRing))) { - dbgprintf("Invalid stack pointer: %p\n", regs.esp_if_crossRing); + if (faulted_in_userspace && !MM.validate_user_stack(current->process(), VirtualAddress(regs.userspace_esp))) { + dbgprintf("Invalid stack pointer: %p\n", regs.userspace_esp); handle_crash(regs, "Bad stack on page fault", SIGSTKFLT); ASSERT_NOT_REACHED(); } diff --git a/Kernel/Arch/i386/CPU.h b/Kernel/Arch/i386/CPU.h index 29b769826c..ba6c654246 100644 --- a/Kernel/Arch/i386/CPU.h +++ b/Kernel/Arch/i386/CPU.h @@ -410,8 +410,8 @@ struct [[gnu::packed]] RegisterDump u32 eip; u32 cs; u32 eflags; - u32 esp_if_crossRing; - u32 ss_if_crossRing; + u32 userspace_esp; + u32 userspace_ss; }; struct [[gnu::aligned(16)]] FPUState diff --git a/Kernel/Process.cpp b/Kernel/Process.cpp index 0dbbe36982..1ff7183901 100644 --- a/Kernel/Process.cpp +++ b/Kernel/Process.cpp @@ -587,7 +587,7 @@ pid_t Process::sys$fork(RegisterDump& regs) child_tss.ecx = regs.ecx; child_tss.edx = regs.edx; child_tss.ebp = regs.ebp; - child_tss.esp = regs.esp_if_crossRing; + child_tss.esp = regs.userspace_esp; child_tss.esi = regs.esi; child_tss.edi = regs.edi; child_tss.eflags = regs.eflags; @@ -597,7 +597,7 @@ pid_t Process::sys$fork(RegisterDump& regs) child_tss.es = regs.es; child_tss.fs = regs.fs; child_tss.gs = regs.gs; - child_tss.ss = regs.ss_if_crossRing; + child_tss.ss = regs.userspace_ss; #ifdef FORK_DEBUG dbgprintf("fork: child will begin executing at %w:%x with stack %w:%x, kstack %w:%x\n", child_tss.cs, child_tss.eip, child_tss.ss, child_tss.esp, child_tss.ss0, child_tss.esp0); @@ -1180,7 +1180,7 @@ int Process::sys$sigreturn(RegisterDump& registers) SmapDisabler disabler; //Here, we restore the state pushed by dispatch signal and asm_signal_trampoline. - u32* stack_ptr = (u32*)registers.esp_if_crossRing; + u32* stack_ptr = (u32*)registers.userspace_esp; u32 smuggled_eax = *stack_ptr; //pop the stored eax, ebp, return address, handler and signal code @@ -1199,7 +1199,7 @@ int Process::sys$sigreturn(RegisterDump& registers) registers.eflags = *stack_ptr; stack_ptr++; - registers.esp_if_crossRing = registers.esp; + registers.userspace_esp = registers.esp; return smuggled_eax; } diff --git a/Kernel/Scheduler.cpp b/Kernel/Scheduler.cpp index 0151de2847..f5a431d616 100644 --- a/Kernel/Scheduler.cpp +++ b/Kernel/Scheduler.cpp @@ -603,8 +603,8 @@ void Scheduler::timer_tick(RegisterDump& regs) outgoing_tss.ss = regs.ss; if ((outgoing_tss.cs & 3) != 0) { - outgoing_tss.ss = regs.ss_if_crossRing; - outgoing_tss.esp = regs.esp_if_crossRing; + outgoing_tss.ss = regs.userspace_ss; + outgoing_tss.esp = regs.userspace_esp; } prepare_for_iret_to_new_process(); diff --git a/Kernel/Syscall.cpp b/Kernel/Syscall.cpp index 5e5a5a2fb3..e4e39d6769 100644 --- a/Kernel/Syscall.cpp +++ b/Kernel/Syscall.cpp @@ -104,8 +104,8 @@ void syscall_handler(RegisterDump regs) auto& process = current->process(); - if (!MM.validate_user_stack(process, VirtualAddress(regs.esp_if_crossRing))) { - dbgprintf("Invalid stack pointer: %p\n", regs.esp_if_crossRing); + if (!MM.validate_user_stack(process, VirtualAddress(regs.userspace_esp))) { + dbgprintf("Invalid stack pointer: %p\n", regs.userspace_esp); handle_crash(regs, "Bad stack on syscall entry", SIGSTKFLT); ASSERT_NOT_REACHED(); } diff --git a/Kernel/Thread.cpp b/Kernel/Thread.cpp index f1f8dba307..d957fdb952 100644 --- a/Kernel/Thread.cpp +++ b/Kernel/Thread.cpp @@ -557,7 +557,7 @@ ShouldUnblockThread Thread::dispatch_signal(u8 signal) set_state(Skip1SchedulerPass); } else { auto& regs = get_register_dump_from_stack(); - u32* stack = ®s.esp_if_crossRing; + u32* stack = ®s.userspace_esp; setup_stack(regs, stack); regs.eip = g_return_to_ring3_from_signal_trampoline.get(); } |