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author | Tony Lindgren <tony@atomide.com> | 2010-05-20 11:37:23 -0700 |
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committer | Tony Lindgren <tony@atomide.com> | 2010-05-20 11:37:23 -0700 |
commit | f6304f5804f228b6c2fea9e3dfac25c5b2db9b38 (patch) | |
tree | 362b9b6a3bd32b868e5917a32d448ac75c5854df /tools/perf/arch/x86/util/dwarf-regs.c | |
parent | 4fa73a1bf89ebea4eba8a9982b5f64d266d8b5e9 (diff) | |
parent | 6daa642d9b8ec762b3c5641cd5e5fa855a5405bf (diff) | |
download | blackbird-op-linux-f6304f5804f228b6c2fea9e3dfac25c5b2db9b38.tar.gz blackbird-op-linux-f6304f5804f228b6c2fea9e3dfac25c5b2db9b38.zip |
Merge branch 'omap4-i2c-init' into omap-for-linus
Diffstat (limited to 'tools/perf/arch/x86/util/dwarf-regs.c')
-rw-r--r-- | tools/perf/arch/x86/util/dwarf-regs.c | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/tools/perf/arch/x86/util/dwarf-regs.c b/tools/perf/arch/x86/util/dwarf-regs.c new file mode 100644 index 000000000000..a794d3081928 --- /dev/null +++ b/tools/perf/arch/x86/util/dwarf-regs.c @@ -0,0 +1,75 @@ +/* + * dwarf-regs.c : Mapping of DWARF debug register numbers into register names. + * Extracted from probe-finder.c + * + * Written by Masami Hiramatsu <mhiramat@redhat.com> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. + * + */ + +#include <libio.h> +#include <dwarf-regs.h> + +/* + * Generic dwarf analysis helpers + */ + +#define X86_32_MAX_REGS 8 +const char *x86_32_regs_table[X86_32_MAX_REGS] = { + "%ax", + "%cx", + "%dx", + "%bx", + "$stack", /* Stack address instead of %sp */ + "%bp", + "%si", + "%di", +}; + +#define X86_64_MAX_REGS 16 +const char *x86_64_regs_table[X86_64_MAX_REGS] = { + "%ax", + "%dx", + "%cx", + "%bx", + "%si", + "%di", + "%bp", + "%sp", + "%r8", + "%r9", + "%r10", + "%r11", + "%r12", + "%r13", + "%r14", + "%r15", +}; + +/* TODO: switching by dwarf address size */ +#ifdef __x86_64__ +#define ARCH_MAX_REGS X86_64_MAX_REGS +#define arch_regs_table x86_64_regs_table +#else +#define ARCH_MAX_REGS X86_32_MAX_REGS +#define arch_regs_table x86_32_regs_table +#endif + +/* Return architecture dependent register string (for kprobe-tracer) */ +const char *get_arch_regstr(unsigned int n) +{ + return (n <= ARCH_MAX_REGS) ? arch_regs_table[n] : NULL; +} |