diff options
Diffstat (limited to 'gnu/usr.bin/binutils/gprof/sparc.c')
-rw-r--r-- | gnu/usr.bin/binutils/gprof/sparc.c | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/gnu/usr.bin/binutils/gprof/sparc.c b/gnu/usr.bin/binutils/gprof/sparc.c new file mode 100644 index 00000000000..b12420ae80a --- /dev/null +++ b/gnu/usr.bin/binutils/gprof/sparc.c @@ -0,0 +1,84 @@ +/* + * Copyright (c) 1983 Regents of the University of California. + * All rights reserved. + * + * Redistribution and use in source and binary forms are permitted + * provided that: (1) source distributions retain this entire copyright + * notice and comment, and (2) distributions including binaries display + * the following acknowledgement: ``This product includes software + * developed by the University of California, Berkeley and its contributors'' + * in the documentation or other materials provided with the distribution + * and in all advertising materials mentioning features or use of this + * software. Neither the name of the University nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. + */ +#include "gprof.h" +#include "cg_arcs.h" +#include "core.h" +#include "hist.h" +#include "symtab.h" + + +void +find_call (parent, p_lowpc, p_highpc) + Sym *parent; + bfd_vma p_lowpc; + bfd_vma p_highpc; +{ + bfd_vma dest_pc, delta; + unsigned int *instr; + Sym *child; + + delta = (bfd_vma) core_text_space - core_text_sect->vma; + + if (core_text_space == 0) + { + return; + } + if (p_lowpc < s_lowpc) + { + p_lowpc = s_lowpc; + } + if (p_highpc > s_highpc) + { + p_highpc = s_highpc; + } + DBG (CALLDEBUG, printf ("[find_call] %s: 0x%lx to 0x%lx\n", + parent->name, p_lowpc, p_highpc)); + for (instr = (unsigned int *) (p_lowpc + delta); + instr < (unsigned int *) (p_highpc + delta); + ++instr) + { + if ((*instr & CALL)) + { + DBG (CALLDEBUG, + printf ("[find_call] 0x%lx: callf", (bfd_vma) instr - delta)); + /* + * Regular pc relative addressing check that this is the + * address of a function. + */ + dest_pc = ((bfd_vma) (instr + (*instr & ~CALL))) - delta; + if (dest_pc >= s_lowpc && dest_pc <= s_highpc) + { + child = sym_lookup (&symtab, dest_pc); + DBG (CALLDEBUG, + printf ("\tdest_pc=0x%lx, (name=%s, addr=0x%lx)\n", + dest_pc, child->name, child->addr)); + if (child->addr == dest_pc) + { + /* a hit: */ + arc_add (parent, child, 0); + continue; + } + } + /* + * Something funny going on. + */ + DBG (CALLDEBUG, printf ("\tbut it's a botch\n")); + } + } +} |