| 1 | /*************************************************************************** |
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| 2 | * Copyright (c) 2006, Broadcom Corporation |
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| 3 | * All Rights Reserved |
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| 4 | * Confidential Property of Broadcom Corporation |
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| 5 | * |
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| 6 | * THIS SOFTWARE MAY ONLY BE USED SUBJECT TO AN EXECUTED SOFTWARE LICENSE |
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| 7 | * AGREEMENT BETWEEN THE USER AND BROADCOM. YOU HAVE NO RIGHT TO USE OR |
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| 8 | * EXPLOIT THIS MATERIAL EXCEPT SUBJECT TO THE TERMS OF SUCH AN AGREEMENT. |
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| 9 | * |
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| 10 | * $brcm_Workfile: bsymtable.c $ |
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| 11 | * $brcm_Revision: 3 $ |
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| 12 | * $brcm_Date: 12/8/06 7:22p $ |
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| 13 | * |
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| 14 | * Module Description: |
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| 15 | * |
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| 16 | * Embeddeble profiler library |
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| 17 | * Symbol lookup module |
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| 18 | * |
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| 19 | * Revision History: |
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| 20 | * |
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| 21 | * $brcm_Log: /BSEAV/lib/bprofile/bsymtable.c $ |
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| 22 | * |
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| 23 | * 3 12/8/06 7:22p vsilyaev |
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| 24 | * PR 25997: Fixed offset handling |
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| 25 | * |
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| 26 | * 2 11/20/06 4:54p vsilyaev |
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| 27 | * PR 25997: Decoupled profiling and symbol table |
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| 28 | * |
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| 29 | * 1 11/16/06 5:24p vsilyaev |
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| 30 | * PR 25997: Embeddable profiler |
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| 31 | * |
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| 32 | *******************************************************************************/ |
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| 33 | #include "bstd.h" |
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| 34 | #include "bsymtable.h" |
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| 35 | BDBG_MODULE(bsymtable); |
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| 36 | |
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| 37 | static B_BIN_SEARCH(b_symbol_lookup, bsymbol_entry, addr) |
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| 38 | |
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| 39 | const char * |
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| 40 | bsymbol_lookup(const bsymbol_table *map, uint32_t addr_, unsigned *offset) |
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| 41 | { |
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| 42 | uint32_t addr = addr_ - map->offset; |
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| 43 | int pos = b_symbol_lookup(map->table, map->nentries, addr); |
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| 44 | BDBG_MSG(("pos=%d, addr=%#x(%#x) entries=%u", pos, addr, addr_, map->nentries)); |
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| 45 | if (pos>=0) { |
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| 46 | *offset = 0; |
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| 47 | return map->table[pos].name; |
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| 48 | } |
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| 49 | pos = -(pos+1); |
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| 50 | pos --; |
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| 51 | if (pos < 0 || pos>=(int)map->nentries) { |
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| 52 | *offset = (unsigned)-1; |
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| 53 | return ""; |
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| 54 | } |
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| 55 | /* BKNI_Printf("%d: %#lx %#lx %#lx\n", pos, addr, map->table[pos].addr, map->table[pos+1].addr); */ |
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| 56 | *offset = addr - map->table[pos].addr; |
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| 57 | return map->table[pos].name; |
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| 58 | } |
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| 59 | |
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