/* * Copyright (C) 2008 Imagination Technologies Ltd. * Licensed under the GPL * */ #include <asm/ftrace.h> .text #ifdef CONFIG_DYNAMIC_FTRACE .global _mcount_wrapper .type _mcount_wrapper,function _mcount_wrapper: MOV PC,D0.4 .global _ftrace_caller .type _ftrace_caller,function _ftrace_caller: MSETL [A0StP], D0Ar6, D0Ar4, D0Ar2, D0.4 MOV D1Ar1, D0.4 MOV D0Ar2, D1RtP SUB D1Ar1,D1Ar1,#MCOUNT_INSN_SIZE .global _ftrace_call _ftrace_call: MOVT D1RtP,#HI(_ftrace_stub) CALL D1RtP,#LO(_ftrace_stub) GETL D0.4, D1RtP, [A0StP++#(-8)] GETL D0Ar2, D1Ar1, [A0StP++#(-8)] GETL D0Ar4, D1Ar3, [A0StP++#(-8)] GETL D0Ar6, D1Ar5, [A0StP++#(-8)] MOV PC, D0.4 #else .global _mcount_wrapper .type _mcount_wrapper,function _mcount_wrapper: MSETL [A0StP], D0Ar6, D0Ar4, D0Ar2, D0.4 MOV D1Ar1, D0.4 MOV D0Ar2, D1RtP MOVT D0Re0,#HI(_ftrace_trace_function) ADD D0Re0,D0Re0,#LO(_ftrace_trace_function) GET D1Ar3,[D0Re0] MOVT D1Re0,#HI(_ftrace_stub) ADD D1Re0,D1Re0,#LO(_ftrace_stub) CMP D1Ar3,D1Re0 BEQ $Ltrace_exit MOV D1RtP,D1Ar3 SUB D1Ar1,D1Ar1,#MCOUNT_INSN_SIZE SWAP PC,D1RtP $Ltrace_exit: GETL D0.4, D1RtP, [A0StP++#(-8)] GETL D0Ar2, D1Ar1, [A0StP++#(-8)] GETL D0Ar4, D1Ar3, [A0StP++#(-8)] GETL D0Ar6, D1Ar5, [A0StP++#(-8)] MOV PC, D0.4 #endif /* CONFIG_DYNAMIC_FTRACE */ .global _ftrace_stub _ftrace_stub: MOV PC,D1RtP