diff options
Diffstat (limited to 'gprof')
| -rw-r--r-- | gprof/ChangeLog | 7 | ||||
| -rw-r--r-- | gprof/Makefile.am | 2 | ||||
| -rw-r--r-- | gprof/Makefile.in | 6 | ||||
| -rw-r--r-- | gprof/aarch64.c | 99 | ||||
| -rw-r--r-- | gprof/corefile.c | 5 |
5 files changed, 116 insertions, 3 deletions
diff --git a/gprof/ChangeLog b/gprof/ChangeLog index 847c75f..aa4c966 100644 --- a/gprof/ChangeLog +++ b/gprof/ChangeLog @@ -1,3 +1,10 @@ +2013-05-22 Venkataramanan Kumar <Venkataramanan.kumar@linaro.org> + + * aarch64.c: New file. + * corefile.c (find_call): Call aarch64_find_call for bfd_arch_aarch64. + * Makefile.am (sources): Add aarch64.c. + * Makefile.in: Regenerate. + For older changes see ChangeLog-2012 Copyright (C) 2013 Free Software Foundation, Inc. diff --git a/gprof/Makefile.am b/gprof/Makefile.am index 0540793..97d8c17 100644 --- a/gprof/Makefile.am +++ b/gprof/Makefile.am @@ -43,7 +43,7 @@ bin_PROGRAMS = gprof sources = basic_blocks.c call_graph.c cg_arcs.c cg_dfn.c \ cg_print.c corefile.c gmon_io.c gprof.c hertz.c hist.c source.c \ search_list.c symtab.c sym_ids.c utils.c \ - i386.c alpha.c vax.c tahoe.c sparc.c mips.c + i386.c alpha.c vax.c tahoe.c sparc.c mips.c aarch64.c gprof_SOURCES = $(sources) flat_bl.c bsd_callg_bl.c fsf_callg_bl.c gprof_DEPENDENCIES = ../bfd/libbfd.la ../libiberty/libiberty.a $(LIBINTL_DEP) gprof_LDADD = ../bfd/libbfd.la ../libiberty/libiberty.a $(LIBINTL) diff --git a/gprof/Makefile.in b/gprof/Makefile.in index c9f828e..3a5bcdc 100644 --- a/gprof/Makefile.in +++ b/gprof/Makefile.in @@ -92,7 +92,8 @@ am__objects_1 = basic_blocks.$(OBJEXT) call_graph.$(OBJEXT) \ hertz.$(OBJEXT) hist.$(OBJEXT) source.$(OBJEXT) \ search_list.$(OBJEXT) symtab.$(OBJEXT) sym_ids.$(OBJEXT) \ utils.$(OBJEXT) i386.$(OBJEXT) alpha.$(OBJEXT) vax.$(OBJEXT) \ - tahoe.$(OBJEXT) sparc.$(OBJEXT) mips.$(OBJEXT) + tahoe.$(OBJEXT) sparc.$(OBJEXT) mips.$(OBJEXT) \ + aarch64.$(OBJEXT) am_gprof_OBJECTS = $(am__objects_1) flat_bl.$(OBJEXT) \ bsd_callg_bl.$(OBJEXT) fsf_callg_bl.$(OBJEXT) gprof_OBJECTS = $(am_gprof_OBJECTS) @@ -309,7 +310,7 @@ AM_CPPFLAGS = -DDEBUG -I../bfd -I$(srcdir)/../include \ sources = basic_blocks.c call_graph.c cg_arcs.c cg_dfn.c \ cg_print.c corefile.c gmon_io.c gprof.c hertz.c hist.c source.c \ search_list.c symtab.c sym_ids.c utils.c \ - i386.c alpha.c vax.c tahoe.c sparc.c mips.c + i386.c alpha.c vax.c tahoe.c sparc.c mips.c aarch64.c gprof_SOURCES = $(sources) flat_bl.c bsd_callg_bl.c fsf_callg_bl.c gprof_DEPENDENCIES = ../bfd/libbfd.la ../libiberty/libiberty.a $(LIBINTL_DEP) @@ -451,6 +452,7 @@ mostlyclean-compile: distclean-compile: -rm -f *.tab.c +@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/aarch64.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/alpha.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/basic_blocks.Po@am__quote@ @AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/bsd_callg_bl.Po@am__quote@ diff --git a/gprof/aarch64.c b/gprof/aarch64.c new file mode 100644 index 0000000..4187d97 --- /dev/null +++ b/gprof/aarch64.c @@ -0,0 +1,99 @@ +/* Gprof -c option support for AArch64. + Copyright 2013 Linaro Ltd. + + Based upon gprof/i386.c. + + Copyright (c) 1983, 1993, 2001 + The Regents of the University of California. All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in the + documentation and/or other materials provided with the distribution. + 3. 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 BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND + ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + SUCH DAMAGE. */ + +#include "gprof.h" +#include "search_list.h" +#include "source.h" +#include "symtab.h" +#include "cg_arcs.h" +#include "corefile.h" +#include "hist.h" + +#define BRANCH_MASK 0x7c000000 +#define BRANCH_PATTERN 0x14000000 + +void aarch64_find_call (Sym *, bfd_vma, bfd_vma); + +void +aarch64_find_call (Sym *parent, bfd_vma p_lowpc, bfd_vma p_highpc) +{ + bfd_vma pc, dest_pc, offset; + unsigned int insn; + Sym *child; + + DBG (CALLDEBUG, printf ("[find_call] %s: 0x%lx to 0x%lx\n", + parent->name, (unsigned long) p_lowpc, + (unsigned long) p_highpc)); + + for (pc = p_lowpc; pc < p_highpc; pc += 4) + { + + insn = bfd_get_32 (core_bfd, ((unsigned char *) core_text_space + + pc - core_text_sect->vma)); + + if ((insn & BRANCH_MASK) == BRANCH_PATTERN) + { + DBG (CALLDEBUG, + printf ("[find_call] 0x%lx: bl", (unsigned long) pc)); + + /* Regular pc relative addressing check that this is the + address of a function. */ + offset = (((insn & 0x3ffffff) ^ 0x2000000) - 0x2000000) << 2; + + dest_pc = pc + offset; + + if (hist_check_address (dest_pc)) + { + child = sym_lookup (&symtab, dest_pc); + + if (child) + { + DBG (CALLDEBUG, + printf ("\tdest_pc=0x%lx, (name=%s, addr=0x%lx)\n", + (unsigned long) dest_pc, child->name, + (unsigned long) child->addr)); + + if (child->addr == dest_pc) + { + /* a hit. */ + arc_add (parent, child, (unsigned long) 0); + continue; + } + } + } + + /* Something funny going on. */ + DBG (CALLDEBUG, printf ("\tbut it's a botch\n")); + } + } +} diff --git a/gprof/corefile.c b/gprof/corefile.c index 985ea26..0aabbad 100644 --- a/gprof/corefile.c +++ b/gprof/corefile.c @@ -54,6 +54,7 @@ extern void vax_find_call (Sym *, bfd_vma, bfd_vma); extern void tahoe_find_call (Sym *, bfd_vma, bfd_vma); extern void sparc_find_call (Sym *, bfd_vma, bfd_vma); extern void mips_find_call (Sym *, bfd_vma, bfd_vma); +extern void aarch64_find_call (Sym *, bfd_vma, bfd_vma); static void parse_error (const char *filename) @@ -320,6 +321,10 @@ find_call (Sym *parent, bfd_vma p_lowpc, bfd_vma p_highpc) mips_find_call (parent, p_lowpc, p_highpc); break; + case bfd_arch_aarch64: + aarch64_find_call (parent, p_lowpc, p_highpc); + break; + default: fprintf (stderr, _("%s: -c not supported on architecture %s\n"), whoami, bfd_printable_name(core_bfd)); |