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29 lines
991 B
ArmAsm
29 lines
991 B
ArmAsm
/*
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* Part of the android-ndk-profiler library.
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* Copyright (C) Richard Quirk
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*
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* This library is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*/
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.align 2
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.thumb_func
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.global __gnu_mcount_nc
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.type __gnu_mcount_nc,function
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__gnu_mcount_nc:
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push {r0-r3}
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push {lr}
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ldr r0, [sp, #20] @ r0 = lr pushed by calling routine
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mov r1, lr @ address of calling routine
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bl profCount
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pop {r2} @ this routine's return address
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pop {r0, r1}
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@ stack contains r2, r3 and lr
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ldr r3, [sp , #8] @ r3 = lr pushed by calling routine
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str r2, [sp, #8] @ return address now last on the stack
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mov lr, r3 @ lr = caller's expected lr
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pop {r2, r3}
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pop {pc} @ pop caller's expected r2, r3 and return
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