ACPR/android_system_core
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Merge "Fix x86_64 check for signal handler."

Browse source
This commit is contained in:
Christopher Ferris 2020-09-18 18:02:36 +00:00 • committed by Gerrit Code Review
commit 36991d8e26
1 changed files with 2 additions and 3 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

5
libunwindstack/RegsX86_64.cpp
View file

@ -141,15 +141,14 @@ bool RegsX86_64::StepIfSignalHandler(uint64_t elf_offset, Elf* elf, Memory* proc
return false; return false;
} }
uint16_t data2; uint8_t data2;
if (!elf_memory->ReadFully(elf_offset + 8, &data2, sizeof(data2)) || data2 != 0x0f05) { if (!elf_memory->ReadFully(elf_offset + 8, &data2, sizeof(data2)) || data2 != 0x05) {
return false; return false;
} }
// __restore_rt: // __restore_rt:
// 0x48 0xc7 0xc0 0x0f 0x00 0x00 0x00 mov $0xf,%rax // 0x48 0xc7 0xc0 0x0f 0x00 0x00 0x00 mov $0xf,%rax
// 0x0f 0x05 syscall // 0x0f 0x05 syscall
// 0x0f nopl 0x0($rax)
// Read the mcontext data from the stack. // Read the mcontext data from the stack.
// sp points to the ucontext data structure, read only the mcontext part. // sp points to the ucontext data structure, read only the mcontext part.