diff options
Diffstat (limited to 'gprof/vax.c')
-rw-r--r-- | gprof/vax.c | 214 |
1 files changed, 95 insertions, 119 deletions
diff --git a/gprof/vax.c b/gprof/vax.c index 220b758..7bde442 100644 --- a/gprof/vax.c +++ b/gprof/vax.c @@ -16,44 +16,26 @@ * 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" +#include "vax.h" -#ifndef lint -static char sccsid[] = "@(#)vax.c 5.6 (Berkeley) 6/1/90"; -#endif /* not lint */ - -#include "gprof.h" +/* + * A symbol to be the child of indirect calls: + */ +Sym indirectchild; - /* - * a namelist entry to be the child of indirect calls - */ -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 */ - }; -operandenum -operandmode( modep ) +static operandenum +operandmode(modep) struct modebyte *modep; { - long usesreg = modep -> regfield; + long usesreg = modep->regfield; - switch ( modep -> modefield ) { + switch (modep->modefield) { case 0: case 1: case 2: @@ -68,31 +50,31 @@ operandmode( modep ) case 7: return autodec; case 8: - return ( usesreg != PC ? autoinc : immediate ); + return usesreg != PC ? autoinc : immediate; case 9: - return ( usesreg != PC ? autoincdef : absolute ); + return usesreg != PC ? autoincdef : absolute; case 10: - return ( usesreg != PC ? bytedisp : byterel ); + return usesreg != PC ? bytedisp : byterel; case 11: - return ( usesreg != PC ? bytedispdef : bytereldef ); + return usesreg != PC ? bytedispdef : bytereldef; case 12: - return ( usesreg != PC ? worddisp : wordrel ); + return usesreg != PC ? worddisp : wordrel; case 13: - return ( usesreg != PC ? worddispdef : wordreldef ); + return usesreg != PC ? worddispdef : wordreldef; case 14: - return ( usesreg != PC ? longdisp : longrel ); + return usesreg != PC ? longdisp : longrel; case 15: - return ( usesreg != PC ? longdispdef : longreldef ); + return usesreg != PC ? longdispdef : longreldef; } /* NOTREACHED */ } -char * -operandname( mode ) +static char * +operandname(mode) operandenum mode; { - switch ( mode ) { + switch (mode) { case literal: return "literal"; case indexed: @@ -139,12 +121,12 @@ operandname( mode ) /* NOTREACHED */ } -long -operandlength( modep ) +static long +operandlength(modep) struct modebyte *modep; { - switch ( operandmode( modep ) ) { + switch (operandmode(modep)) { case literal: case reg: case regdef: @@ -170,95 +152,96 @@ operandlength( modep ) case longreldef: return 5; case indexed: - return 1+operandlength( (struct modebyte *) ((char *) modep) + 1 ); + return 1+operandlength((struct modebyte *) ((char *) modep) + 1); } /* NOTREACHED */ } -unsigned long -reladdr( modep ) +static bfd_vma +reladdr(modep) struct modebyte *modep; { - operandenum mode = operandmode( modep ); + operandenum mode = operandmode(modep); char *cp; short *sp; long *lp; cp = (char *) modep; - cp += 1; /* skip over the mode */ - switch ( mode ) { + ++cp; /* skip over the mode */ + switch (mode) { default: - fprintf( stderr , "[reladdr] not relative address\n" ); - return (unsigned long) modep; + fprintf(stderr, "[reladdr] not relative address\n"); + return (bfd_vma) modep; case byterel: - return (unsigned long) ( cp + sizeof *cp + *cp ); + return (bfd_vma) (cp + sizeof *cp + *cp); case wordrel: sp = (short *) cp; - return (unsigned long) ( cp + sizeof *sp + *sp ); + return (bfd_vma) (cp + sizeof *sp + *sp); case longrel: lp = (long *) cp; - return (unsigned long) ( cp + sizeof *lp + *lp ); + return (bfd_vma) (cp + sizeof *lp + *lp); } } -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; - operandenum mode; - operandenum firstmode; - unsigned long destpc; + unsigned char *instructp; + long length; + Sym *child; + operandenum mode; + operandenum firstmode; + bfd_vma destpc; + static bool inited = FALSE; - if ( textspace == 0 ) { + if (!inited) { + inited = TRUE; + sym_init(&indirectchild); + indirectchild.cg.prop.fract = 1.0; + indirectchild.cg.cyc.head = &indirectchild; + } /* if */ + + if (core_text_space == 0) { return; } - if ( p_lowpc < s_lowpc ) { + if (p_lowpc < s_lowpc) { p_lowpc = s_lowpc; } - if ( p_highpc > s_highpc ) { + 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 ) { + DBG(CALLDEBUG, printf("[findcall] %s: 0x%lx to 0x%lx\n", + parent->name, p_lowpc, p_highpc)); + for ( instructp = (unsigned char*) core_text_space + p_lowpc ; + instructp < (unsigned char*) core_text_space + p_highpc ; + instructp += length) { length = 1; - if ( *instructp == CALLS ) { + if (*instructp == CALLS) { /* * maybe a calls, better check it out. * skip the count of the number of arguments. */ -# ifdef DEBUG - if ( debug & CALLDEBUG ) { - printf( "[findcall]\t0x%x:calls" , instructp - textspace ); - } -# endif DEBUG - firstmode = operandmode( (struct modebyte *) (instructp+length) ); - switch ( firstmode ) { + DBG(CALLDEBUG, + printf("[findcall]\t0x%x:calls", + instructp - (unsigned char*) core_text_space)); + firstmode = operandmode((struct modebyte *) (instructp+length)); + switch (firstmode) { case literal: case immediate: break; default: goto botched; } - length += operandlength( (struct modebyte *) (instructp+length) ); - mode = operandmode( (struct modebyte *) ( instructp + length ) ); -# ifdef DEBUG - if ( debug & CALLDEBUG ) { - printf( "\tfirst operand is %s", operandname( firstmode ) ); - printf( "\tsecond operand is %s\n" , operandname( mode ) ); - } -# endif DEBUG - switch ( mode ) { + length += operandlength((struct modebyte *) (instructp+length)); + mode = operandmode((struct modebyte *) (instructp + length)); + DBG(CALLDEBUG, + printf("\tfirst operand is %s", operandname(firstmode)); + printf("\tsecond operand is %s\n", operandname(mode))); + switch (mode) { case regdef: case bytedispdef: case worddispdef: @@ -274,9 +257,9 @@ findcall( parentp , p_lowpc , p_highpc ) * [are there others that we miss?, * e.g. arrays of pointers to functions???] */ - addarc( parentp , &indirectchild , (long) 0 ); + arc_add(parent, &indirectchild, (long) 0); length += operandlength( - (struct modebyte *) ( instructp + length ) ); + (struct modebyte *) (instructp + length)); continue; case byterel: case wordrel: @@ -286,25 +269,22 @@ findcall( parentp , p_lowpc , p_highpc ) * check that this is the address of * a function. */ - destpc = reladdr( (struct modebyte *) (instructp+length) ) - - (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 ) { + destpc = reladdr((struct modebyte *) (instructp+length)) + - (bfd_vma) core_text_space; + if (destpc >= s_lowpc && destpc <= s_highpc) { + child = sym_lookup(&symtab, destpc); + DBG(CALLDEBUG, + printf("[findcall]\tdestpc 0x%lx", destpc); + printf(" child->name %s", child->name); + printf(" child->addr 0x%lx\n", child->addr); + ); + if (child->addr == destpc) { /* * a hit */ - addarc( parentp , childp , (long) 0 ); - length += operandlength( (struct modebyte *) - ( instructp + length ) ); + arc_add(parent, child, (long) 0); + length += operandlength((struct modebyte *) + (instructp + length)); continue; } goto botched; @@ -320,11 +300,7 @@ findcall( parentp , p_lowpc , p_highpc ) /* * something funny going on. */ -# ifdef DEBUG - if ( debug & CALLDEBUG ) { - printf( "[findcall]\tbut it's a botch\n" ); - } -# endif DEBUG + DBG(CALLDEBUG, printf("[findcall]\tbut it's a botch\n")); length = 1; continue; } |