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author | Ken Raeburn <raeburn@cygnus> | 1995-02-07 22:34:18 +0000 |
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committer | Ken Raeburn <raeburn@cygnus> | 1995-02-07 22:34:18 +0000 |
commit | 5489fcc3d9dbb1f529dddb19b615e23d8ed59dc7 (patch) | |
tree | 1a79cfffd92f2afb67780dd7372c1759c49791aa /gprof/sparc.c | |
parent | 2559e01429d193b7957c106a6a8b0598476f9845 (diff) | |
download | gdb-5489fcc3d9dbb1f529dddb19b615e23d8ed59dc7.zip gdb-5489fcc3d9dbb1f529dddb19b615e23d8ed59dc7.tar.gz gdb-5489fcc3d9dbb1f529dddb19b615e23d8ed59dc7.tar.bz2 |
Lots of changes from David Mosberger-Tang; see ChangeLog and NOTES for details:
Alpha support.
Long options.
New file format to support more information; backwards compatibility.
Line-level profiling, on systems where bfd_find_nearest_line works.
Selective display of data.
Diffstat (limited to 'gprof/sparc.c')
-rw-r--r-- | gprof/sparc.c | 162 |
1 files changed, 55 insertions, 107 deletions
diff --git a/gprof/sparc.c b/gprof/sparc.c index 2fd7c65..98e29ce 100644 --- a/gprof/sparc.c +++ b/gprof/sparc.c @@ -16,116 +16,64 @@ * 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" -#ifndef lint -static char sccsid[] = "@(#)tahoe.c 1.5 (Berkeley) 6/1/90"; -#endif /* not lint */ -#include "gprof.h" - - /* - * a namelist entry to be the child of indirect callf - */ -nltype indirectchild = { - "(*)" , /* the name */ - (unsigned long) 0 , /* the pc entry point */ - (unsigned long) 0 , /* entry point aligned to histogram */ - (double) 0.0 , /* ticks in this routine */ - (double) 0.0 , /* cumulative ticks in children */ - (long) 0 , /* how many times called */ - (long) 0 , /* how many calls to self */ - (double) 1.0 , /* propagation fraction */ - (double) 0.0 , /* self propagation time */ - (double) 0.0 , /* child propagation time */ - (bool) 0 , /* print flag */ - (int) 0 , /* index in the graph list */ - (int) 0 , /* graph call chain top-sort order */ - (int) 0 , /* internal number of cycle on */ - (struct nl *) &indirectchild , /* pointer to head of cycle */ - (struct nl *) 0 , /* pointer to next member of cycle */ - (arctype *) 0 , /* list of caller arcs */ - (arctype *) 0 /* list of callee arcs */ - }; - -findcall( parentp , p_lowpc , p_highpc ) - nltype *parentp; - unsigned long p_lowpc; - unsigned long p_highpc; +void +find_call(parent, p_lowpc, p_highpc) + Sym *parent; + bfd_vma p_lowpc; + bfd_vma p_highpc; { - unsigned char *instructp; - long length; - nltype *childp; - unsigned long destpc; - - if ( textspace == 0 ) { + 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 ) { + } /* if */ + if (p_lowpc < s_lowpc) { p_lowpc = s_lowpc; - } - if ( p_highpc > s_highpc ) { + } /* if */ + if (p_highpc > s_highpc) { p_highpc = s_highpc; - } -# ifdef DEBUG - if ( debug & CALLDEBUG ) { - printf( "[findcall] %s: 0x%x to 0x%x\n" , - parentp -> name , p_lowpc , p_highpc ); - } -# endif DEBUG - for ( instructp = textspace + p_lowpc ; - instructp < textspace + p_highpc ; - instructp += length ) { - length = 1; - if ( (*instructp & CALL) ) { -# ifdef DEBUG - if ( debug & CALLDEBUG ) { - printf( "[findcall]\t0x%x:callf" , instructp - textspace ); - } -# endif DEBUG - length = 4; /* constant length in a SPARC */ - /* - * regular pc relative addressing - * check that this is the address of - * a function. - */ - destpc = ( (unsigned long)instructp + (*(long *)instructp & ~CALL) ) - - (unsigned long) textspace; - if ( destpc >= s_lowpc && destpc <= s_highpc ) { - childp = nllookup( destpc ); -# ifdef DEBUG - if ( debug & CALLDEBUG ) { - printf( "[findcall]\tdestpc 0x%x" , destpc ); - printf( " childp->name %s" , childp -> name ); - printf( " childp->value 0x%x\n" , - childp -> value ); - } -# endif DEBUG - if ( childp -> value == destpc ) { - /* - * a hit - */ - addarc( parentp , childp , (long) 0 ); - length += 4; /* constant lengths */ - continue; - } - goto botched; - } - /* - * else: - * it looked like a callf, - * but it wasn't to anywhere. - */ - botched: - /* - * something funny going on. - */ -# ifdef DEBUG - if ( debug & CALLDEBUG ) { - printf( "[findcall]\tbut it's a botch\n" ); - } -# endif DEBUG - length = 1; - continue; - } - } - } + } /* if */ + 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; + } /* if */ + } /* if */ + /* + * Something funny going on. + */ + DBG(CALLDEBUG, printf("\tbut it's a botch\n")); + } /* if */ + } /* for */ +} /* find_call */ + /*** end of sparc.c ***/ |