6d9c411afd
(alpha_find_call): Avoid use of bitfields and casts between pointers and integers of different sizes. Avoid endian problems when cross-compiling. * vax.c (vax_find_call): Likewise. (struct modebyte): Don't use. (vax_operandmode): Pass in an unsigned char *. (vax_operandlength): Likewise. (vax_reladdr): Rename to vax_offset and return relative offset rather than address. * i386.c (i386_find_call): Avoid casts between pointers and integers of different sizes. * sparc.c (sparc_find_call): Likewise. Avoid endian problems. * tahoe.c (tahoe_find_call): Likewise. (tahoe_reladdr): Rename to tahoe_offset and return relative offset rather than address. * basic_blocks.h: Don't include headers here. * call_graph.h: Likewise. * cg_arcs.h: Likewise. * cg_print.h: Likewise. * corefile.h: Likewise. * gmon_io.h: Likewise. * gmon_out.h: Likewise. * hertz.h: Likewise. * hist.h: Likewise. * source.h: Likewise. * sym_ids.h: Likewise. * symtab.h: Likewise. * gprof.h: Don't include ansidecl.h, do include bfd.h. (bool): Don't typedef. * alpha.c: Adjust #include's for above header changes. * basic_blocks.c: Likewise. * call_graph.c: Likewise. * cg_arcs.c: Likewise. * cg_dfn.c: Likewise. * cg_print.c: Likewise. * corefile.c: Likewise. * gmon_io.c: Likewise. * gprof.c: Likewise. * hertz.c: Likewise. * hist.c: Likewise. * i386.c: Likewise. * mips.c: Likewise. * sparc.c: Likewise. * sym_ids.c: Likewise. * symtab.c: Likewise. * tahoe.c: Likewise. * utils.c: Likewise. * vax.c: Likewise. * po/POTFILES.in: Regenerate.
106 lines
2.9 KiB
C
106 lines
2.9 KiB
C
/*
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* Copyright (c) 1983, 2001 Regents of the University of California.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms are permitted
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* provided that: (1) source distributions retain this entire copyright
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* notice and comment, and (2) distributions including binaries display
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* the following acknowledgement: ``This product includes software
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* developed by the University of California, Berkeley and its contributors''
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* in the documentation or other materials provided with the distribution
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* and in all advertising materials mentioning features or use of this
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* software. Neither the name of the University nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*/
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#include "gprof.h"
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#include "search_list.h"
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#include "source.h"
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#include "symtab.h"
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#include "cg_arcs.h"
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#include "corefile.h"
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#include "hist.h"
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static int i386_iscall PARAMS ((unsigned char *));
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void i386_find_call PARAMS ((Sym *, bfd_vma, bfd_vma));
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static int
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i386_iscall (ip)
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unsigned char *ip;
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{
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if (*ip == 0xe8)
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return 1;
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return 0;
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}
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void
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i386_find_call (parent, p_lowpc, p_highpc)
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Sym *parent;
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bfd_vma p_lowpc;
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bfd_vma p_highpc;
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{
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unsigned char *instructp;
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Sym *child;
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bfd_vma pc, destpc;
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if (core_text_space == 0)
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{
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return;
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}
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if (p_lowpc < s_lowpc)
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{
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p_lowpc = s_lowpc;
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}
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if (p_highpc > s_highpc)
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{
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p_highpc = s_highpc;
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}
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DBG (CALLDEBUG, printf ("[findcall] %s: 0x%lx to 0x%lx\n",
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parent->name, (unsigned long) p_lowpc,
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(unsigned long) p_highpc));
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for (pc = p_lowpc; pc < p_highpc; ++pc)
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{
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instructp = (unsigned char *) core_text_space + pc - core_text_sect->vma;
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if (i386_iscall (instructp))
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{
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DBG (CALLDEBUG,
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printf ("[findcall]\t0x%lx:call", (unsigned long) pc));
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/*
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* regular pc relative addressing
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* check that this is the address of
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* a function.
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*/
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destpc = bfd_get_32 (core_bfd, instructp + 1) + pc + 5;
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if (destpc >= s_lowpc && destpc <= s_highpc)
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{
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child = sym_lookup (&symtab, destpc);
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if (child && child->addr == destpc)
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{
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/*
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* a hit
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*/
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DBG (CALLDEBUG,
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printf ("\tdestpc 0x%lx (%s)\n",
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(unsigned long) destpc, child->name));
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arc_add (parent, child, (unsigned long) 0);
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instructp += 4; /* call is a 5 byte instruction */
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continue;
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}
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}
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/*
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* else:
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* it looked like a callf, but it:
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* a) wasn't actually a callf, or
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* b) didn't point to a known function in the symtab, or
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* c) something funny is going on.
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*/
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DBG (CALLDEBUG, printf ("\tbut it's a botch\n"));
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}
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}
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}
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