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Kernel: Make -pie work for x86_64

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This commit is contained in:
Gunnar Beutner
2021-07-23 12:56:35 +02:00
committed by Andreas Kling
parent 9d8482c3e8
commit 0edc17ee76
2 changed files with 7 additions and 2 deletions
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4
Kernel/Process.cpp
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@@ -308,6 +308,7 @@ void signal_trampoline_dummy()
// necessary to preserve it here.
asm(
".intel_syntax noprefix\n"
".globl asm_signal_trampoline\n"
"asm_signal_trampoline:\n"
"push ebp\n"
"mov ebp, esp\n"
@@ -319,6 +320,7 @@ void signal_trampoline_dummy()
"add esp, 8\n"
"mov eax, %P0\n"
"int 0x82\n" // sigreturn syscall
".globl asm_signal_trampoline_end\n"
"asm_signal_trampoline_end:\n"
".att_syntax" ::"i"(Syscall::SC_sigreturn));
#elif ARCH(X86_64)
@@ -329,6 +331,7 @@ void signal_trampoline_dummy()
// necessary to preserve it here.
asm(
".intel_syntax noprefix\n"
".globl asm_signal_trampoline\n"
"asm_signal_trampoline:\n"
"push rbp\n"
"mov rbp, rsp\n"
@@ -339,6 +342,7 @@ void signal_trampoline_dummy()
"add rsp, 8\n"
"mov rax, %P0\n"
"int 0x82\n" // sigreturn syscall
".globl asm_signal_trampoline_end\n"
"asm_signal_trampoline_end:\n"
".att_syntax" ::"i"(Syscall::SC_sigreturn));
#endif