| 1 | /* |
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| 2 | Copyright (c) 2016, Synopsys, Inc. All rights reserved. |
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| 3 | |
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| 4 | Redistribution and use in source and binary forms, with or without |
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| 5 | modification, are permitted provided that the following conditions are met: |
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| 6 | |
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| 7 | 1) Redistributions of source code must retain the above copyright notice, |
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| 8 | this list of conditions and the following disclaimer. |
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| 9 | |
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| 10 | 2) Redistributions in binary form must reproduce the above copyright notice, |
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| 11 | this list of conditions and the following disclaimer in the documentation |
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| 12 | and/or other materials provided with the distribution. |
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| 13 | |
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| 14 | 3) Neither the name of the Synopsys, Inc., nor the names of its contributors |
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| 15 | may be used to endorse or promote products derived from this software |
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| 16 | without specific prior written permission. |
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| 17 | |
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| 18 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 19 | AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 20 | IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 21 | ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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| 22 | LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 23 | CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 24 | SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 25 | INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| 26 | CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 27 | ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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| 28 | POSSIBILITY OF SUCH DAMAGE. |
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| 29 | */ |
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| 30 | #define PROFILE_SUPPORT 1 |
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| 31 | |
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| 32 | #include "crt0.S" |
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| 33 | |
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| 34 | .global __mcount |
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| 35 | .type __mcount, @function |
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| 36 | .align 4 |
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| 37 | __mcount: |
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| 38 | ;; When a function is compiled for profiling, gcc will insert |
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| 39 | ;; a call to __mcount without checking for resources. Hence, |
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| 40 | ;; we need save all of the argument registers and temp registers, |
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| 41 | ;; extract the address of <func_name>, and call the _mcount_internal |
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| 42 | ;; to do the real work. Finally, restore all the argument registers |
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| 43 | ;; before returning. |
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| 44 | push_s blink |
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| 45 | push_s r0 |
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| 46 | push_s r1 |
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| 47 | push_s r2 |
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| 48 | push_s r3 |
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| 49 | #ifndef __ARC_RF16__ |
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| 50 | push r4 |
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| 51 | push r5 |
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| 52 | push r6 |
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| 53 | push r7 |
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| 54 | push r8 |
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| 55 | push r9 |
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| 56 | #endif |
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| 57 | push r10 |
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| 58 | push r11 |
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| 59 | push r12 |
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| 60 | mov r0,blink |
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| 61 | jl @_mcount_internal |
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| 62 | pop r12 |
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| 63 | pop r11 |
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| 64 | pop r10 |
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| 65 | #ifndef __ARC_RF16__ |
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| 66 | pop r9 |
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| 67 | pop r8 |
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| 68 | pop r7 |
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| 69 | pop r6 |
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| 70 | pop r5 |
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| 71 | pop r4 |
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| 72 | #endif |
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| 73 | pop_s r3 |
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| 74 | pop_s r2 |
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| 75 | pop_s r1 |
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| 76 | pop_s r0 |
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| 77 | pop_s blink |
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| 78 | j_s [blink] |
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| 79 | .size __mcount, . - __mcount |
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