Add aarch64 backend functions frame_nregs and set_initial_registers_tid.
Mark pc_register in aarch64 prstatus_regs as pc_register.
Add backtrace-core-aarch64 testcase.
Signed-off-by: Mark Wielaard <mjw@redhat.com>
+2014-04-09 Mark Wielaard <mjw@redhat.com>
+
+ * Makefile.am (aarch64_SRCS): Add aarch64_initreg.c.
+ * aarch64_corenote.c (prstatus_regs): Mark pc_register.
+ * aarch64_init.c: Assign frame_nregs. Hook set_initial_registers_tid.
+ * aarch64_initreg: New file.
+
2014-03-28 Jean Pihet <jean.pihet@linaro.org>
* arm_initreg.c (arm_set_initial_registers_tid): Handle compat mode.
am_libebl_arm_pic_a_OBJECTS = $(arm_SRCS:.c=.os)
aarch64_SRCS = aarch64_init.c aarch64_regs.c aarch64_symbol.c \
- aarch64_corenote.c aarch64_retval.c aarch64_cfi.c
+ aarch64_corenote.c aarch64_retval.c aarch64_cfi.c \
+ aarch64_initreg.c
libebl_aarch64_pic_a_SOURCES = $(aarch64_SRCS)
am_libebl_aarch64_pic_a_OBJECTS = $(aarch64_SRCS:.c=.os)
.name = "pc", .type = ELF_T_XWORD, .format = 'x', \
.offset = (offsetof (struct EBLHOOK(prstatus), pr_reg) \
+ PRSTATUS_REGS_SIZE - 16), \
- .group = "register" \
+ .group = "register", \
+ .pc_register = true \
}, \
{ \
.name = "pstate", .type = ELF_T_XWORD, .format = 'x', \
HOOK (eh, check_special_symbol);
HOOK (eh, abi_cfi);
+ /* X0-X30 (31 regs) + SP + 1 Reserved + ELR, 30 Reserved regs (34-43)
+ + V0-V31 (32 regs, least significant 64 bits only)
+ + ALT_FRAME_RETURN_COLUMN (used when LR isn't used) = 97 DWARF regs. */
+ eh->frame_nregs = 97;
+ HOOK (eh, set_initial_registers_tid);
+
return MODVERSION;
}
--- /dev/null
+/* Fetch live process registers from TID.
+ Copyright (C) 2013 Red Hat, Inc.
+ This file is part of elfutils.
+
+ This file is free software; you can redistribute it and/or modify
+ it under the terms of either
+
+ * the GNU Lesser General Public License as published by the Free
+ Software Foundation; either version 3 of the License, or (at
+ your option) any later version
+
+ or
+
+ * the GNU General Public License as published by the Free
+ Software Foundation; either version 2 of the License, or (at
+ your option) any later version
+
+ or both in parallel, as here.
+
+ elfutils is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received copies of the GNU General Public License and
+ the GNU Lesser General Public License along with this program. If
+ not, see <http://www.gnu.org/licenses/>. */
+
+#ifdef HAVE_CONFIG_H
+# include <config.h>
+#endif
+
+#include "system.h"
+#include <assert.h>
+#ifdef __aarch64__
+# include <linux/uio.h>
+# include <sys/user.h>
+# include <sys/ptrace.h>
+#endif
+
+#define BACKEND aarch64_
+#include "libebl_CPU.h"
+
+bool
+aarch64_set_initial_registers_tid (pid_t tid __attribute__ ((unused)),
+ ebl_tid_registers_t *setfunc __attribute__ ((unused)),
+ void *arg __attribute__ ((unused)))
+{
+#ifndef __aarch64__
+ return false;
+#else /* __aarch64__ */
+
+ /* General registers. */
+ struct user_pt_regs gregs;
+ struct iovec iovec;
+ iovec.iov_base = &gregs;
+ iovec.iov_len = sizeof (gregs);
+ if (ptrace (PTRACE_GETREGSET, tid, NT_PRSTATUS, &iovec) != 0)
+ return false;
+
+ /* X0..X30 plus SP. */
+ if (! setfunc (0, 32, (Dwarf_Word *) &gregs.regs[0], arg))
+ return false;
+
+ /* PC. */
+ if (! setfunc (-1, 1, (Dwarf_Word *) &gregs.pc, arg))
+ return false;
+
+ /* ELR cannot be found. */
+
+ /* FP registers (only 64bits are used). */
+ struct user_fpsimd_state fregs;
+ iovec.iov_base = &fregs;
+ iovec.iov_len = sizeof (fregs);
+ if (ptrace (PTRACE_GETREGSET, tid, NT_FPREGSET, &iovec) != 0)
+ return false;
+
+ Dwarf_Word dwarf_fregs[32];
+ for (int r = 0; r < 32; r++)
+ dwarf_fregs[r] = fregs.vregs[r] & 0xFFFFFFFF;
+
+ if (! setfunc (64, 32, dwarf_fregs, arg))
+ return false;
+
+ return true;
+#endif /* __aarch64__ */
+}
+2014-04-09 Mark Wielaard <mjw@redhat.com>
+
+ * Makefile.am (TESTS): Add run-backtrace-core-aarch64.sh.
+ (EXTRA_DIST): Add run-backtrace-core-aarch64.sh,
+ backtrace.aarch64.core.bz2 and backtrace.aarch64.exec.bz2.
+ * run-backtrace-core-aarch64.sh: New test.
+
2014-03-11 Josh Stone <jistone@redhat.com>
* testfilebaxmin.bz2: New testfile.
run-backtrace-native-core-biarch.sh run-backtrace-core-x86_64.sh \
run-backtrace-core-i386.sh run-backtrace-core-ppc.sh \
run-backtrace-core-s390x.sh run-backtrace-core-s390.sh \
+ run-backtrace-core-aarch64.sh \
run-backtrace-demangle.sh run-stack-d-test.sh run-stack-i-test.sh
if !BIARCH
backtrace.s390x.core.bz2 backtrace.s390x.exec.bz2 \
backtrace.s390.core.bz2 backtrace.s390.exec.bz2 \
run-backtrace-core-s390x.sh run-backtrace-core-s390.sh \
+ run-backtrace-core-aarch64.sh \
+ backtrace.aarch64.core.bz2 backtrace.aarch64.exec.bz2 \
run-backtrace-demangle.sh testfile-backtrace-demangle.bz2 \
testfile-backtrace-demangle.cc \
testfile-backtrace-demangle.core.bz2 \
--- /dev/null
+#! /bin/bash
+# Copyright (C) 2013 Red Hat, Inc.
+# This file is part of elfutils.
+#
+# This file is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# elfutils is distributed in the hope that it will be useful, but
+# WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+. $srcdir/backtrace-subr.sh
+
+# backtrace.aarch64.exe is a -static binary of backtrace-child.
+# backtrace.aarch64.core was generated by running the static backtrace-child
+# with --gencore.
+check_core aarch64