archive/jdk
1
0
Fork 0
mirror of https://github.com/openjdk/jdk.git synced 2025-08-15 13:49:42 +02:00
Code Issues Projects Releases Packages Wiki Activity Actions

8365166: ARM32: missing os::fetch_bcp_from_context implementation

Browse source 
Reviewed-by: shade
This commit is contained in:
Boris Ulasevich 2025-08-13 12:45:48 +00:00
parent f3b34d32d6
commit 001aaa1e49
1 changed files with 10 additions and 2 deletions
Download patch file Download diff file Expand all files Collapse all files

12
src/hotspot/os_cpu/linux_arm/os_linux_arm.cpp
View file

@ -209,8 +209,16 @@ frame os::fetch_compiled_frame_from_context(const void* ucVoid) {
}
intptr_t* os::fetch_bcp_from_context(const void* ucVoid) {
Unimplemented();
return nullptr;
assert(ucVoid != nullptr, "invariant");
const ucontext_t* uc = (const ucontext_t*)ucVoid;
assert(os::Posix::ucontext_is_interpreter(uc), "invariant");
#if (FP_REG_NUM == 11)
assert(Rbcp == R7, "expected FP=R11, Rbcp=R7");
return (intptr_t*)uc->uc_mcontext.arm_r7;
#else
assert(Rbcp == R11, "expected FP=R7, Rbcp=R11");
return (intptr_t*)uc->uc_mcontext.arm_fp; // r11
#endif
}
frame os::get_sender_for_C_frame(frame* fr) {