Index: head/usr.bin/truss/powerpc64-freebsd.c =================================================================== --- head/usr.bin/truss/powerpc64-freebsd.c (revision 341178) +++ head/usr.bin/truss/powerpc64-freebsd.c (revision 341179) @@ -1,119 +1,130 @@ /* * Copyright 2006 Peter Grehan * Copyright 2005 Orlando Bassotto * Copyright 1998 Sean Eric Fagan * * 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. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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 __FBSDID("$FreeBSD$"); /* FreeBSD/powerpc64-specific system call handling. */ #include #include #include #include #include #include #include #include "truss.h" static int powerpc64_fetch_args(struct trussinfo *trussinfo, u_int narg) { struct ptrace_io_desc iorequest; struct reg regs; struct current_syscall *cs; lwpid_t tid; u_int i, reg; tid = trussinfo->curthread->tid; cs = &trussinfo->curthread->cs; if (ptrace(PT_GETREGS, tid, (caddr_t)®s, 0) < 0) { fprintf(trussinfo->outfile, "-- CANNOT READ REGISTERS --\n"); return (-1); } /* * FreeBSD has two special kinds of system call redirections -- * SYS_syscall, and SYS___syscall. The former is the old syscall() * routine, basically; the latter is for quad-aligned arguments. * * The system call argument count and code from ptrace() already * account for these, but we need to skip over the first argument. */ reg = 0; switch (regs.fixreg[0]) { case SYS_syscall: case SYS___syscall: reg += 1; break; } for (i = 0; i < narg && reg < NARGREG; i++, reg++) cs->args[i] = regs.fixreg[FIRSTARG + reg]; if (narg > i) { iorequest.piod_op = PIOD_READ_D; iorequest.piod_offs = (void *)(regs.fixreg[1] + 48); iorequest.piod_addr = &cs->args[i]; iorequest.piod_len = (narg - i) * sizeof(cs->args[0]); ptrace(PT_IO, tid, (caddr_t)&iorequest, 0); if (iorequest.piod_len == 0) return (-1); } return (0); } static int powerpc64_fetch_retval(struct trussinfo *trussinfo, long *retval, int *errorp) { struct reg regs; lwpid_t tid; tid = trussinfo->curthread->tid; if (ptrace(PT_GETREGS, tid, (caddr_t)®s, 0) < 0) { fprintf(trussinfo->outfile, "-- CANNOT READ REGISTERS --\n"); return (-1); } retval[0] = regs.fixreg[3]; retval[1] = regs.fixreg[4]; *errorp = !!(regs.cr & 0x10000000); return (0); } static struct procabi powerpc64_freebsd = { "FreeBSD ELF64", SYSDECODE_ABI_FREEBSD, powerpc64_fetch_args, powerpc64_fetch_retval, STAILQ_HEAD_INITIALIZER(powerpc64_freebsd.extra_syscalls), { NULL } }; PROCABI(powerpc64_freebsd); + +static struct procabi powerpc64_freebsd_elfv2 = { + "FreeBSD ELF64 V2", + SYSDECODE_ABI_FREEBSD, + powerpc64_fetch_args, + powerpc64_fetch_retval, + STAILQ_HEAD_INITIALIZER(powerpc64_freebsd_elfv2.extra_syscalls), + { NULL } +}; + +PROCABI(powerpc64_freebsd_elfv2);