Index: runtime/vm/debugger_arm.cc |
=================================================================== |
--- runtime/vm/debugger_arm.cc (revision 31428) |
+++ runtime/vm/debugger_arm.cc (working copy) |
@@ -31,36 +31,6 @@ |
*reinterpret_cast<uword*>(closure_addr)); |
} |
- |
-void CodeBreakpoint::PatchFunctionReturn() { |
- uword* code = reinterpret_cast<uword*>(pc_ - 3 * Instr::kInstrSize); |
- ASSERT(code[0] == 0xe8bd4c00); // ldmia sp!, {pp, fp, lr} |
- ASSERT(code[1] == 0xe28dd004); // add sp, sp, #4 |
- ASSERT(code[2] == 0xe12fff1e); // bx lr |
- |
- // Smash code with call instruction and target address. |
- uword stub_addr = StubCode::BreakpointReturnEntryPoint(); |
- uint16_t target_lo = stub_addr & 0xffff; |
- uint16_t target_hi = stub_addr >> 16; |
- uword movw = 0xe300c000 | ((target_lo >> 12) << 16) | (target_lo & 0xfff); |
- uword movt = 0xe340c000 | ((target_hi >> 12) << 16) | (target_hi & 0xfff); |
- uword blx = 0xe12fff3c; |
- code[0] = movw; // movw ip, #target_lo |
- code[1] = movt; // movt ip, #target_hi |
- code[2] = blx; // blx ip |
- CPU::FlushICache(pc_ - 3 * Instr::kInstrSize, 3 * Instr::kInstrSize); |
-} |
- |
- |
-void CodeBreakpoint::RestoreFunctionReturn() { |
- uword* code = reinterpret_cast<uword*>(pc_ - 3 * Instr::kInstrSize); |
- ASSERT((code[0] & 0xfff0f000) == 0xe300c000); |
- code[0] = 0xe8bd4c00; // ldmia sp!, {pp, fp, lr} |
- code[1] = 0xe28dd004; // add sp, sp, #4 |
- code[2] = 0xe12fff1e; // bx lr |
- CPU::FlushICache(pc_ - 3 * Instr::kInstrSize, 3 * Instr::kInstrSize); |
-} |
- |
} // namespace dart |
#endif // defined TARGET_ARCH_ARM |