Simplify syscall generation and ABI source file handling for the build.
This is to make the Makefile more easily extendable for new ABIs. This also makes several other subtle changes: - The build now is given a list of ABIs to use based on the MACHINE_ARCH or MACHINE_CPUARCH. These ABIs have a related path in sys/ that is used to generate their syscalls. For each ABI to build check for a ABI.c, MACHINE_ARCH-ABI.c, or a MACHINE_CPUARCH-ABI.c. This matches the old behavior needed for archs such as powerpc* and mips*. - The ABI source file selection allows for simpler assignment of common ABIs such as "fbsd32" from sys/compat/freebsd32, or cloudabi64. - Expand 'fbsd' to 'freebsd' everywhere for consistency. - Split out the powerpc-fbsd.c file into a powerpc64-freebsd32.c to be more like the amd64-freebsd32.c file and to more easily allow the auto-generation of ABI handling to work. - Rename 'syscalls.h' to 'fbsd_syscalls.h' to lessen the ambiguity and avoid confusion with syscall.h (such as in r288997). - For non-native syscall header files, they are now renamed to be ABI_syscalls.h, where ABI is what ABI the Makefile is building. - Remove all of the makesyscalls config files. The "native" one being name i386.conf was a long outstanding bug. They were all the same except for the data they generated, so now it is just auto-generated as a build artifact. - The syscalls array is now fixed to be static in the syscalls header to remove the compiler warning about non-extern. This was worked around in the aarch64-fbsd.c file but not the others. - All syscall table names are now just 'syscallnames' since they don't need to be different as they are all static in their own ABI files. The alternative is to name them ABI_syscallnames which does not seem necessary. Reviewed by: ed, jhb MFC after: 3 weeks Differential Revision: https://reviews.freebsd.org/D3851
This commit is contained in:
parent
b0c041f887
commit
8c444cbc45
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=289239
@ -2,87 +2,64 @@
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NO_WERROR=
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PROG= truss
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SRCS= main.c setup.c syscalls.c syscalls.h ioctl.c
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.if exists(${.CURDIR}/${MACHINE_ARCH}-fbsd.c)
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SRCS+= ${MACHINE_ARCH}-fbsd.c
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.else
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SRCS+= ${MACHINE_CPUARCH}-fbsd.c
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.endif
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SRCS= main.c setup.c syscalls.c ioctl.c
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.PATH: ${.CURDIR:H}/kdump
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SRCS+= utrace.c
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CFLAGS+= -I${.CURDIR} -I. -I${.CURDIR}/../../sys
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CLEANFILES= syscalls.master syscalls.h ioctl.c
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.SUFFIXES: .master
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syscalls.master: ${.CURDIR}/../../sys/kern/syscalls.master
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cat ${.ALLSRC} > syscalls.master
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syscalls.h: syscalls.master
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/bin/sh ${.CURDIR}/../../sys/kern/makesyscalls.sh syscalls.master \
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${.CURDIR}/i386.conf
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CLEANFILES= ioctl.c
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ioctl.c: ${.CURDIR}/../kdump/mkioctls
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env MACHINE=${MACHINE} CPP="${CPP}" \
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/bin/sh ${.CURDIR}/../kdump/mkioctls return ${DESTDIR}${INCLUDEDIR} > ${.TARGET}
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# Define where to generate syscalls for each ABI.
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ABI_SYSPATH.freebsd= sys/kern
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ABI_SYSPATH.freebsd32= sys/compat/freebsd32
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ABI_SYSPATH.cloudabi64= sys/compat/cloudabi64
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ABI_SYSPATH.i386-linux= sys/i386/linux
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ABI_SYSPATH.amd64-linux32= sys/amd64/linux32
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ABIS+= freebsd
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# Each ABI is expected to have an ABI.c, MACHINE_ARCH-ABI.c or
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# MACHINE_CPUARCH-ABI.c file that will be used to map the syscall arguments.
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.if ${MACHINE_CPUARCH} == "i386"
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SRCS+= i386-linux.c linux_syscalls.h
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CLEANFILES+=i386l-syscalls.master linux_syscalls.h
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i386l-syscalls.master: ${.CURDIR}/../../sys/i386/linux/syscalls.master
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cat ${.ALLSRC} > ${.TARGET}
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linux_syscalls.h: i386l-syscalls.master
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/bin/sh ${.CURDIR}/../../sys/kern/makesyscalls.sh ${.ALLSRC} \
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${.CURDIR}/i386linux.conf
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ABIS+= i386-linux
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.endif
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.if ${MACHINE_CPUARCH} == "amd64"
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SRCS+= amd64-linux32.c linux32_syscalls.h
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CLEANFILES+=amd64l32-syscalls.master linux32_syscalls.h
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amd64l32-syscalls.master: ${.CURDIR}/../../sys/amd64/linux32/syscalls.master
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cat ${.ALLSRC} > ${.TARGET}
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linux32_syscalls.h: amd64l32-syscalls.master
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/bin/sh ${.CURDIR}/../../sys/kern/makesyscalls.sh ${.ALLSRC} \
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${.CURDIR}/amd64linux32.conf
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SRCS+= amd64-fbsd32.c freebsd32_syscalls.h
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CLEANFILES+=fbsd32-syscalls.master freebsd32_syscalls.h
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fbsd32-syscalls.master: ${.CURDIR}/../../sys/compat/freebsd32/syscalls.master
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cat ${.ALLSRC} > ${.TARGET}
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freebsd32_syscalls.h: fbsd32-syscalls.master
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/bin/sh ${.CURDIR}/../../sys/kern/makesyscalls.sh ${.ALLSRC} \
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${.CURDIR}/fbsd32.conf
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SRCS+= amd64-cloudabi64.c cloudabi64_syscalls.h
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CLEANFILES+=amd64cloudabi64-syscalls.master cloudabi64_syscalls.h
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amd64cloudabi64-syscalls.master: ${.CURDIR}/../../sys/compat/cloudabi64/syscalls.master
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cat ${.ALLSRC} > ${.TARGET}
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cloudabi64_syscalls.h: amd64cloudabi64-syscalls.master
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/bin/sh ${.CURDIR}/../../sys/kern/makesyscalls.sh ${.ALLSRC} \
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${.CURDIR}/amd64cloudabi64.conf
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ABIS+= amd64-linux32
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ABIS+= freebsd32
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ABIS+= cloudabi64
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.endif
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.if ${MACHINE_ARCH} == "powerpc64"
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SRCS+= powerpc-fbsd.c freebsd32_syscalls.h
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CLEANFILES+=fbsd32-syscalls.master freebsd32_syscalls.h
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fbsd32-syscalls.master: ${.CURDIR}/../../sys/compat/freebsd32/syscalls.master
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cat ${.ALLSRC} > ${.TARGET}
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freebsd32_syscalls.h: fbsd32-syscalls.master
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/bin/sh ${.CURDIR}/../../sys/kern/makesyscalls.sh ${.ALLSRC} \
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${.CURDIR}/fbsd32.conf
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ABIS+= freebsd32
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.endif
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.for abi in ${ABIS}
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# Find the right file to handle this ABI.
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abi_src=
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ABI_SRCS= ${abi}.c ${MACHINE_ARCH}-${abi}.c ${MACHINE_CPUARCH}-${abi}.c
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.for f in ${ABI_SRCS}
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.if exists(${.CURDIR}/${f}) && empty(abi_src)
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abi_src= ${f}
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.endif
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.endfor
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SRCS:= ${SRCS} ${abi_src} ${abi}_syscalls.h
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CLEANFILES+= ${abi}_syscalls.conf ${abi}_syscalls.master ${abi}_syscalls.h
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${abi}_syscalls.conf: ${.CURDIR}/makesyscallsconf.sh
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/bin/sh ${.CURDIR}/makesyscallsconf.sh ${abi} ${.TARGET}
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${abi}_syscalls.master: ${.CURDIR:H:H}/${ABI_SYSPATH.${abi}}/syscalls.master
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cp -f ${.ALLSRC} ${.TARGET}
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${abi}_syscalls.h: ${abi}_syscalls.master ${abi}_syscalls.conf \
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${.CURDIR:H:H}/sys/kern/makesyscalls.sh
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/bin/sh ${.CURDIR:H:H}/sys/kern/makesyscalls.sh \
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${abi}_syscalls.master ${abi}_syscalls.conf
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# Eliminate compiler warning about non-static global.
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sed -i '' '/^const char \*/s/^/static /' ${.TARGET}.tmp
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mv ${.TARGET}.tmp ${.TARGET}
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.endfor
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.include <bsd.prog.mk>
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@ -19,12 +19,12 @@ DIRDEPS = \
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# local dependencies - needed for -jN in clean tree
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amd64-cloudabi64.o: cloudabi64_syscalls.h
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amd64-cloudabi64.po: cloudabi64_syscalls.h
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amd64-fbsd.o: syscalls.h
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amd64-fbsd.po: syscalls.h
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amd64-fbsd32.o: freebsd32_syscalls.h
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amd64-fbsd32.po: freebsd32_syscalls.h
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amd64-linux32.o: linux32_syscalls.h
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amd64-linux32.po: linux32_syscalls.h
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amd64-freebsd.o: freebsd_syscalls.h
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amd64-freebsd.po: freebsd_syscalls.h
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amd64-freebsd32.o: freebsd32_syscalls.h
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amd64-freebsd32.po: freebsd32_syscalls.h
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amd64-linux32.o: amd64-linux32_syscalls.h
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amd64-linux32.po: amd64-linux32_syscalls.h
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ioctl.o: ioctl.c
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ioctl.po: ioctl.c
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.endif
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@ -42,8 +42,7 @@ __FBSDID("$FreeBSD$");
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#include "truss.h"
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extern const char *syscallnames[]; /* silence compiler */
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#include "syscalls.h"
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#include "freebsd_syscalls.h"
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static int
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aarch64_fetch_args(struct trussinfo *trussinfo, u_int narg)
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@ -99,7 +98,7 @@ aarch64_fetch_retval(struct trussinfo *trussinfo, long *retval, int *errorp)
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return (0);
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}
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static struct procabi aarch64_fbsd = {
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static struct procabi aarch64_freebsd = {
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"FreeBSD ELF64",
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syscallnames,
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nitems(syscallnames),
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@ -107,4 +106,4 @@ static struct procabi aarch64_fbsd = {
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aarch64_fetch_retval
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};
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PROCABI(aarch64_fbsd);
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PROCABI(aarch64_freebsd);
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@ -171,8 +171,8 @@ amd64_cloudabi64_fetch_retval(struct trussinfo *trussinfo, long *retval,
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static struct procabi amd64_cloudabi64 = {
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"CloudABI ELF64",
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cloudabi64_syscallnames,
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nitems(cloudabi64_syscallnames),
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syscallnames,
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nitems(syscallnames),
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amd64_cloudabi64_fetch_args,
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amd64_cloudabi64_fetch_retval
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};
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@ -44,7 +44,7 @@ __FBSDID("$FreeBSD$");
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#include "truss.h"
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#include "syscalls.h"
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#include "freebsd_syscalls.h"
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static int
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amd64_fetch_args(struct trussinfo *trussinfo, u_int narg)
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@ -120,7 +120,7 @@ amd64_fetch_retval(struct trussinfo *trussinfo, long *retval, int *errorp)
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return (0);
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}
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static struct procabi amd64_fbsd = {
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static struct procabi amd64_freebsd = {
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"FreeBSD ELF64",
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syscallnames,
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nitems(syscallnames),
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@ -128,4 +128,4 @@ static struct procabi amd64_fbsd = {
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amd64_fetch_retval
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};
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PROCABI(amd64_fbsd);
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PROCABI(amd64_freebsd);
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@ -32,7 +32,7 @@
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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/* FreeBSD/i386-specific system call handling. */
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/* FreeBSD/amd64-freebsd32-specific system call handling. */
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#include <sys/ptrace.h>
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#include <sys/syscall.h>
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@ -48,7 +48,7 @@ __FBSDID("$FreeBSD$");
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#include "freebsd32_syscalls.h"
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static int
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amd64_fbsd32_fetch_args(struct trussinfo *trussinfo, u_int narg)
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amd64_freebsd32_fetch_args(struct trussinfo *trussinfo, u_int narg)
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{
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struct ptrace_io_desc iorequest;
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struct reg regs;
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@ -98,7 +98,7 @@ amd64_fbsd32_fetch_args(struct trussinfo *trussinfo, u_int narg)
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}
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static int
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amd64_fbsd32_fetch_retval(struct trussinfo *trussinfo, long *retval,
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amd64_freebsd32_fetch_retval(struct trussinfo *trussinfo, long *retval,
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int *errorp)
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{
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struct reg regs;
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@ -116,22 +116,22 @@ amd64_fbsd32_fetch_retval(struct trussinfo *trussinfo, long *retval,
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return (0);
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}
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static struct procabi amd64_fbsd32 = {
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static struct procabi amd64_freebsd32 = {
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"FreeBSD ELF32",
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freebsd32_syscallnames,
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nitems(freebsd32_syscallnames),
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amd64_fbsd32_fetch_args,
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amd64_fbsd32_fetch_retval
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syscallnames,
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nitems(syscallnames),
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amd64_freebsd32_fetch_args,
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amd64_freebsd32_fetch_retval
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};
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PROCABI(amd64_fbsd32);
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PROCABI(amd64_freebsd32);
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static struct procabi amd64_fbsd32_aout = {
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static struct procabi amd64_freebsd32_aout = {
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"FreeBSD a.out",
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freebsd32_syscallnames,
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nitems(freebsd32_syscallnames),
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amd64_fbsd32_fetch_args,
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amd64_fbsd32_fetch_retval
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syscallnames,
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nitems(syscallnames),
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amd64_freebsd32_fetch_args,
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amd64_freebsd32_fetch_retval
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};
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PROCABI(amd64_fbsd32_aout);
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PROCABI(amd64_freebsd32_aout);
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@ -43,7 +43,7 @@ __FBSDID("$FreeBSD$");
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#include "truss.h"
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#include "linux32_syscalls.h"
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#include "amd64-linux32_syscalls.h"
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static int
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amd64_linux32_fetch_args(struct trussinfo *trussinfo, u_int narg)
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@ -132,8 +132,8 @@ amd64_linux32_fetch_retval(struct trussinfo *trussinfo, long *retval,
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static struct procabi amd64_linux32 = {
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"Linux ELF32",
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linux32_syscallnames,
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nitems(linux32_syscallnames),
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syscallnames,
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nitems(syscallnames),
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amd64_linux32_fetch_args,
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amd64_linux32_fetch_retval
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};
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|
@ -1,13 +0,0 @@
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# $FreeBSD$
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sysnames="cloudabi64_syscalls.h"
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sysproto="/dev/null"
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sysproto_h="/dev/null"
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syshdr="/dev/null"
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sysmk="/dev/null"
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syssw="/dev/null"
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syshide="/dev/null"
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syscallprefix="SYS_"
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switchname="sysent"
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namesname="cloudabi64_syscallnames"
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systrace="/dev/null"
|
@ -1,13 +0,0 @@
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# $FreeBSD$
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sysnames="linux32_syscalls.h"
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sysproto="/dev/null"
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sysproto_h="/dev/null"
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syshdr="/dev/null"
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sysmk="/dev/null"
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syssw="/dev/null"
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syshide="/dev/null"
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syscallprefix="SYS_"
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switchname="sysent"
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namesname="linux32_syscallnames"
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systrace="/dev/null"
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@ -45,7 +45,7 @@ __FBSDID("$FreeBSD$");
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#include "truss.h"
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#include "syscalls.h"
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#include "freebsd_syscalls.h"
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static int
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arm_fetch_args(struct trussinfo *trussinfo, u_int narg)
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@ -127,7 +127,7 @@ arm_fetch_retval(struct trussinfo *trussinfo, long *retval, int *errorp)
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return (0);
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}
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static struct procabi arm_fbsd = {
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static struct procabi arm_freebsd = {
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"FreeBSD ELF32",
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syscallnames,
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nitems(syscallnames),
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@ -135,4 +135,4 @@ static struct procabi arm_fbsd = {
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arm_fetch_retval
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};
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PROCABI(arm_fbsd);
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PROCABI(arm_freebsd);
|
@ -1,13 +0,0 @@
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# $FreeBSD$
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sysnames="freebsd32_syscalls.h"
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sysproto="/dev/null"
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sysproto_h="/dev/null"
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syshdr="/dev/null"
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sysmk="/dev/null"
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syssw="/dev/null"
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syshide="/dev/null"
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syscallprefix="SYS_"
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switchname="sysent"
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namesname="freebsd32_syscallnames"
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systrace="/dev/null"
|
@ -44,7 +44,7 @@ __FBSDID("$FreeBSD$");
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#include "truss.h"
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#include "syscalls.h"
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#include "freebsd_syscalls.h"
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static int
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i386_fetch_args(struct trussinfo *trussinfo, u_int narg)
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@ -109,7 +109,7 @@ i386_fetch_retval(struct trussinfo *trussinfo, long *retval, int *errorp)
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return (0);
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}
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||||
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static struct procabi i386_fbsd = {
|
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static struct procabi i386_freebsd = {
|
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"FreeBSD ELF32",
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syscallnames,
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nitems(syscallnames),
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@ -117,9 +117,9 @@ static struct procabi i386_fbsd = {
|
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i386_fetch_retval
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||||
};
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||||
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||||
PROCABI(i386_fbsd);
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||||
PROCABI(i386_freebsd);
|
||||
|
||||
static struct procabi i386_fbsd_aout = {
|
||||
static struct procabi i386_freebsd_aout = {
|
||||
"FreeBSD a.out",
|
||||
syscallnames,
|
||||
nitems(syscallnames),
|
||||
@ -127,5 +127,5 @@ static struct procabi i386_fbsd_aout = {
|
||||
i386_fetch_retval
|
||||
};
|
||||
|
||||
PROCABI(i386_fbsd_aout);
|
||||
PROCABI(i386_freebsd_aout);
|
||||
|
@ -43,7 +43,7 @@ __FBSDID("$FreeBSD$");
|
||||
|
||||
#include "truss.h"
|
||||
|
||||
#include "linux_syscalls.h"
|
||||
#include "i386-linux_syscalls.h"
|
||||
|
||||
static int
|
||||
i386_linux_fetch_args(struct trussinfo *trussinfo, u_int narg)
|
||||
@ -131,8 +131,8 @@ i386_linux_fetch_retval(struct trussinfo *trussinfo, long *retval, int *errorp)
|
||||
|
||||
static struct procabi i386_linux = {
|
||||
"Linux ELF32",
|
||||
linux_syscallnames,
|
||||
nitems(linux_syscallnames),
|
||||
syscallnames,
|
||||
nitems(syscallnames),
|
||||
i386_linux_fetch_args,
|
||||
i386_linux_fetch_retval
|
||||
};
|
||||
|
@ -1,13 +0,0 @@
|
||||
# $FreeBSD$
|
||||
|
||||
sysnames="linux_syscalls.h"
|
||||
sysproto="/dev/null"
|
||||
sysproto_h="/dev/null"
|
||||
syshdr="/dev/null"
|
||||
sysmk="/dev/null"
|
||||
syssw="/dev/null"
|
||||
syshide="/dev/null"
|
||||
syscallprefix="SYS_"
|
||||
switchname="sysent"
|
||||
namesname="linux_syscallnames"
|
||||
systrace="/dev/null"
|
10
usr.bin/truss/i386.conf → usr.bin/truss/makesyscallsconf.sh
Normal file → Executable file
10
usr.bin/truss/i386.conf → usr.bin/truss/makesyscallsconf.sh
Normal file → Executable file
@ -1,6 +1,13 @@
|
||||
#! /bin/sh
|
||||
# $FreeBSD$
|
||||
|
||||
sysnames="syscalls.h"
|
||||
ABI="$1"
|
||||
CONF="$2"
|
||||
|
||||
header="${ABI}_syscalls.h"
|
||||
|
||||
cat > "${CONF}" << EOF
|
||||
sysnames="${header}.tmp"
|
||||
sysproto="/dev/null"
|
||||
sysproto_h="/dev/null"
|
||||
syshdr="/dev/null"
|
||||
@ -11,3 +18,4 @@ syscallprefix="SYS_"
|
||||
switchname="sysent"
|
||||
namesname="syscallnames"
|
||||
systrace="/dev/null"
|
||||
EOF
|
@ -44,7 +44,7 @@ __FBSDID("$FreeBSD$");
|
||||
|
||||
#include "truss.h"
|
||||
|
||||
#include "syscalls.h"
|
||||
#include "freebsd_syscalls.h"
|
||||
|
||||
static int
|
||||
mips_fetch_args(struct trussinfo *trussinfo, u_int narg)
|
||||
@ -126,7 +126,7 @@ mips_fetch_retval(struct trussinfo *trussinfo, long *retval, int *errorp)
|
||||
}
|
||||
|
||||
|
||||
static struct procabi mips_fbsd = {
|
||||
static struct procabi mips_freebsd = {
|
||||
#ifdef __mips_n64
|
||||
"FreeBSD ELF64",
|
||||
#else
|
||||
@ -138,4 +138,4 @@ static struct procabi mips_fbsd = {
|
||||
mips_fetch_retval
|
||||
};
|
||||
|
||||
PROCABI(mips_fbsd);
|
||||
PROCABI(mips_freebsd);
|
@ -40,12 +40,7 @@ __FBSDID("$FreeBSD$");
|
||||
|
||||
#include "truss.h"
|
||||
|
||||
#ifdef __powerpc64__ /* 32-bit compatibility */
|
||||
#include "freebsd32_syscalls.h"
|
||||
#define syscallnames freebsd32_syscallnames
|
||||
#else /* native 32-bit */
|
||||
#include "syscalls.h"
|
||||
#endif
|
||||
#include "freebsd_syscalls.h"
|
||||
|
||||
static int
|
||||
powerpc_fetch_args(struct trussinfo *trussinfo, u_int narg)
|
||||
@ -82,34 +77,16 @@ powerpc_fetch_args(struct trussinfo *trussinfo, u_int narg)
|
||||
}
|
||||
|
||||
for (i = 0; i < narg && reg < NARGREG; i++, reg++) {
|
||||
#ifdef __powerpc64__
|
||||
cs->args[i] = regs.fixreg[FIRSTARG + reg] & 0xffffffff;
|
||||
#else
|
||||
cs->args[i] = regs.fixreg[FIRSTARG + reg];
|
||||
#endif
|
||||
}
|
||||
if (narg > i) {
|
||||
#ifdef __powerpc64__
|
||||
uint32_t args32[narg - i];
|
||||
u_int j;
|
||||
|
||||
#endif
|
||||
iorequest.piod_op = PIOD_READ_D;
|
||||
iorequest.piod_offs = (void *)(regs.fixreg[1] + 8);
|
||||
#ifdef __powerpc64__
|
||||
iorequest.piod_addr = args32;
|
||||
iorequest.piod_len = sizeof(args32);
|
||||
#else
|
||||
iorequest.piod_addr = &cs->args[i];
|
||||
iorequest.piod_len = (narg - i) * sizeof(cs->args[0]);
|
||||
#endif
|
||||
ptrace(PT_IO, tid, (caddr_t)&iorequest, 0);
|
||||
if (iorequest.piod_len == 0)
|
||||
return (-1);
|
||||
#ifdef __powerpc64__
|
||||
for (j = 0; j < narg - i; j++)
|
||||
cs->args[i + j] = args32[j];
|
||||
#endif
|
||||
}
|
||||
|
||||
return (0);
|
||||
@ -128,18 +105,13 @@ powerpc_fetch_retval(struct trussinfo *trussinfo, long *retval, int *errorp)
|
||||
}
|
||||
|
||||
/* XXX: Does not have fixup for __syscall(). */
|
||||
#ifdef __powerpc64__
|
||||
retval[0] = regs.fixreg[3] & 0xffffffff;
|
||||
retval[1] = regs.fixreg[4] & 0xffffffff;
|
||||
#else
|
||||
retval[0] = regs.fixreg[3];
|
||||
retval[1] = regs.fixreg[4];
|
||||
#endif
|
||||
*errorp = !!(regs.cr & 0x10000000);
|
||||
return (0);
|
||||
}
|
||||
|
||||
static struct procabi powerpc_fbsd = {
|
||||
static struct procabi powerpc_freebsd = {
|
||||
"FreeBSD ELF32",
|
||||
syscallnames,
|
||||
nitems(syscallnames),
|
||||
@ -147,4 +119,4 @@ static struct procabi powerpc_fbsd = {
|
||||
powerpc_fetch_retval
|
||||
};
|
||||
|
||||
PROCABI(powerpc_fbsd);
|
||||
PROCABI(powerpc_freebsd);
|
@ -40,7 +40,7 @@ __FBSDID("$FreeBSD$");
|
||||
|
||||
#include "truss.h"
|
||||
|
||||
#include "syscalls.h"
|
||||
#include "freebsd_syscalls.h"
|
||||
|
||||
static int
|
||||
powerpc64_fetch_args(struct trussinfo *trussinfo, u_int narg)
|
||||
@ -107,7 +107,7 @@ powerpc64_fetch_retval(struct trussinfo *trussinfo, long *retval, int *errorp)
|
||||
return (0);
|
||||
}
|
||||
|
||||
static struct procabi powerpc64_fbsd = {
|
||||
static struct procabi powerpc64_freebsd = {
|
||||
"FreeBSD ELF64",
|
||||
syscallnames,
|
||||
nitems(syscallnames),
|
||||
@ -115,4 +115,4 @@ static struct procabi powerpc64_fbsd = {
|
||||
powerpc64_fetch_retval
|
||||
};
|
||||
|
||||
PROCABI(powerpc64_fbsd);
|
||||
PROCABI(powerpc64_freebsd);
|
127
usr.bin/truss/powerpc64-freebsd32.c
Normal file
127
usr.bin/truss/powerpc64-freebsd32.c
Normal file
@ -0,0 +1,127 @@
|
||||
/*
|
||||
* Copyright 2006 Peter Grehan <grehan@freebsd.org>
|
||||
* Copyright 2005 Orlando Bassotto <orlando@break.net>
|
||||
* 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 <sys/cdefs.h>
|
||||
__FBSDID("$FreeBSD$");
|
||||
|
||||
/* FreeBSD/powerpc64-freebsd32-specific system call handling. */
|
||||
|
||||
#include <sys/ptrace.h>
|
||||
#include <sys/syscall.h>
|
||||
|
||||
#include <machine/reg.h>
|
||||
#include <machine/frame.h>
|
||||
|
||||
#include <stdio.h>
|
||||
|
||||
#include "truss.h"
|
||||
|
||||
#include "freebsd32_syscalls.h"
|
||||
|
||||
static int
|
||||
powerpc64_freebsd32_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:
|
||||
reg += 1;
|
||||
break;
|
||||
case SYS___syscall:
|
||||
reg += 2;
|
||||
break;
|
||||
}
|
||||
|
||||
for (i = 0; i < narg && reg < NARGREG; i++, reg++) {
|
||||
cs->args[i] = regs.fixreg[FIRSTARG + reg] & 0xffffffff;
|
||||
}
|
||||
if (narg > i) {
|
||||
uint32_t args32[narg - i];
|
||||
u_int j;
|
||||
|
||||
iorequest.piod_op = PIOD_READ_D;
|
||||
iorequest.piod_offs = (void *)(regs.fixreg[1] + 8);
|
||||
iorequest.piod_addr = args32;
|
||||
iorequest.piod_len = sizeof(args32);
|
||||
ptrace(PT_IO, tid, (caddr_t)&iorequest, 0);
|
||||
if (iorequest.piod_len == 0)
|
||||
return (-1);
|
||||
for (j = 0; j < narg - i; j++)
|
||||
cs->args[i + j] = args32[j];
|
||||
}
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
static int
|
||||
powerpc64_freebsd32_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);
|
||||
}
|
||||
|
||||
/* XXX: Does not have fixup for __syscall(). */
|
||||
retval[0] = regs.fixreg[3] & 0xffffffff;
|
||||
retval[1] = regs.fixreg[4] & 0xffffffff;
|
||||
*errorp = !!(regs.cr & 0x10000000);
|
||||
return (0);
|
||||
}
|
||||
|
||||
static struct procabi powerpc64_freebsd32 = {
|
||||
"FreeBSD ELF32",
|
||||
syscallnames,
|
||||
nitems(syscallnames),
|
||||
powerpc64_freebsd32_fetch_args,
|
||||
powerpc64_freebsd32_fetch_retval
|
||||
};
|
||||
|
||||
PROCABI(powerpc64_freebsd32);
|
@ -46,7 +46,7 @@ __FBSDID("$FreeBSD$");
|
||||
|
||||
#include "truss.h"
|
||||
|
||||
#include "syscalls.h"
|
||||
#include "freebsd_syscalls.h"
|
||||
|
||||
static int
|
||||
sparc64_fetch_args(struct trussinfo *trussinfo, u_int narg)
|
||||
@ -114,7 +114,7 @@ sparc64_fetch_retval(struct trussinfo *trussinfo, long *retval, int *errorp)
|
||||
return (0);
|
||||
}
|
||||
|
||||
static struct procabi sparc64_fbsd = {
|
||||
static struct procabi sparc64_freebsd = {
|
||||
"FreeBSD ELF64",
|
||||
syscallnames,
|
||||
nitems(syscallnames),
|
||||
@ -122,4 +122,4 @@ static struct procabi sparc64_fbsd = {
|
||||
sparc64_fetch_retval
|
||||
};
|
||||
|
||||
PROCABI(sparc64_fbsd);
|
||||
PROCABI(sparc64_freebsd);
|
Loading…
Reference in New Issue
Block a user