/* * Mapping of DWARF debug register numbers into register names. * * Copyright (C) 2010 Will Deacon, ARM Ltd. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #include #include struct pt_regs_dwarfnum { const char *name; unsigned int dwarfnum; }; #define STR(s) #s #define REG_DWARFNUM_NAME(r, num) {.name = r, .dwarfnum = num} #define GPR_DWARFNUM_NAME(num) \ {.name = STR(%r##num), .dwarfnum = num} #define REG_DWARFNUM_END {.name = NULL, .dwarfnum = 0} /* * Reference: * http://infocenter.arm.com/help/topic/com.arm.doc.ihi0040a/IHI0040A_aadwarf.pdf */ static const struct pt_regs_dwarfnum regdwarfnum_table[] = { GPR_DWARFNUM_NAME(0), GPR_DWARFNUM_NAME(1), GPR_DWARFNUM_NAME(2), GPR_DWARFNUM_NAME(3), GPR_DWARFNUM_NAME(4), GPR_DWARFNUM_NAME(5), GPR_DWARFNUM_NAME(6), GPR_DWARFNUM_NAME(7), GPR_DWARFNUM_NAME(8), GPR_DWARFNUM_NAME(9), GPR_DWARFNUM_NAME(10), REG_DWARFNUM_NAME("%fp", 11), REG_DWARFNUM_NAME("%ip", 12), REG_DWARFNUM_NAME("%sp", 13), REG_DWARFNUM_NAME("%lr", 14), REG_DWARFNUM_NAME("%pc", 15), REG_DWARFNUM_END, }; /** * get_arch_regstr() - lookup register name from it's DWARF register number * @n: the DWARF register number * * get_arch_regstr() returns the name of the register in struct * regdwarfnum_table from it's DWARF register number. If the register is not * found in the table, this returns NULL; */ const char *get_arch_regstr(unsigned int n) { const struct pt_regs_dwarfnum *roff; for (roff = regdwarfnum_table; roff->name != NULL; roff++) if (roff->dwarfnum == n) return roff->name; return NULL; } 93227fb0b1f124f807'>refslogtreecommitdiff
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