Date: Thu, 20 Sep 2018 13:03:44 -0700 From: Mark Millard <marklmi@yahoo.com> To: FreeBSD Toolchain <freebsd-toolchain@freebsd.org> Subject: devel/xtoolchain-llvm70 based buildkernel for head -r338675 fails: if_fxp.c:1630:3: error: array index -1 is before the beginning of the array Message-ID: <BFBCB257-4B45-4196-9FCE-29418688E60E@yahoo.com>
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This was targeting amd64.
--- if_fxp.o ---
/usr/src/sys/dev/fxp/if_fxp.c:1630:3: error: array index -1 is before =
the beginning of the array [-Werror,-Warray-bounds]
cbp->tbd[-1].tb_size =3D htole32(m->m_pkthdr.tso_segsz =
<< 16);
^ ~~
/usr/src/sys/dev/fxp/if_fxpreg.h:297:3: note: array 'tbd' declared here
struct fxp_tbd tbd[FXP_NTXSEG + 1];
^
1 error generated.
*** [if_fxp.o] Error code 1
make[4]: stopped in /usr/src/sys/modules/fxp
.ERROR_TARGET=3D'if_fxp.o'
=
.ERROR_META_FILE=3D'/usr/obj/amd64_xtoolchain-llvm/amd64.amd64/usr/src/amd=
64.amd64/sys/GENERIC-NODBG/modules/usr/src/sys/modules/fxp/if_fxp.o.meta'
.MAKE.LEVEL=3D'4'
MAKEFILE=3D''
.MAKE.MODE=3D'meta missing-filemon=3Dyes missing-meta=3Dyes silent=3Dyes =
verbose'
_ERROR_CMD=3D'/usr/local/bin/clang70 -target x86_64-unknown-freebsd12.0 =
--sysroot=3D/usr/obj/amd64_xtoolchain-llvm/amd64.amd64/usr/src/amd64.amd64=
/tmp -B/var/empty -O2 -pipe -fno-strict-aliasing -Werror -D_KERNEL =
-DKLD_MODULE -DKLD_TIED -nostdinc -DHAVE_KERNEL_OPTION_HEADERS =
-include =
/usr/obj/amd64_xtoolchain-llvm/amd64.amd64/usr/src/amd64.amd64/sys/GENERIC=
-NODBG/opt_global.h -I. -I/usr/src/sys -I/usr/src/sys/contrib/ck/include =
-fno-common -g -fno-omit-frame-pointer -mno-omit-leaf-frame-pointer =
-I/usr/obj/amd64_xtoolchain-llvm/amd64.amd64/usr/src/amd64.amd64/sys/GENER=
IC-NODBG -mcmodel=3Dkernel -mno-red-zone -mno-mmx -mno-sse =
-msoft-float -fno-asynchronous-unwind-tables -ffreestanding -fwrapv =
-fstack-protector -gdwarf-2 -Wall -Wredundant-decls -Wnested-externs =
-Wstrict-prototypes -Wmissing-prototypes -Wpointer-arith -Wcast-qual =
-Wundef -Wno-pointer-sign -D__printf__=3D__freebsd_kprintf__ =
-Wmissing-include-dirs -fdiagnostics-show-option -Wno-unknown-pragmas =
-Wno-error-tautological-compare -Wno-error-empty-body =
-Wno-error-parentheses-equality -Wno-error-unused-function =
-Wno-error-pointer-sign -Wno-error-shift-negative-value =
-Wno-address-of-packed-member -mno-aes -mno-avx -std=3Diso9899:1999 -c =
/usr/src/sys/dev/fxp/if_fxp.c -o if_fxp.o; ctfconvert -L VERSION -g =
if_fxp.o;'
.CURDIR=3D'/usr/src/sys/modules/fxp'
.MAKE=3D'make'
=
.OBJDIR=3D'/usr/obj/amd64_xtoolchain-llvm/amd64.amd64/usr/src/amd64.amd64/=
sys/GENERIC-NODBG/modules/usr/src/sys/modules/fxp'
.TARGETS=3D'all'
DESTDIR=3D''
LD_LIBRARY_PATH=3D''
MACHINE=3D'amd64'
MACHINE_ARCH=3D'amd64'
=
MAKEOBJDIRPREFIX=3D'/usr/obj/amd64_xtoolchain-llvm/amd64.amd64/usr/src/amd=
64.amd64/sys/GENERIC-NODBG/modules'
MAKESYSPATH=3D'/usr/src/share/mk'
MAKE_VERSION=3D'20180512'
=
PATH=3D'/usr/obj/amd64_xtoolchain-llvm/amd64.amd64/usr/src/amd64.amd64/tmp=
/legacy/usr/sbin:/usr/obj/amd64_xtoolchain-llvm/amd64.amd64/usr/src/amd64.=
amd64/tmp/legacy/usr/bin:/usr/obj/amd64_xtoolchain-llvm/amd64.amd64/usr/sr=
c/amd64.amd64/tmp/legacy/bin:/usr/obj/amd64_xtoolchain-llvm/amd64.amd64/us=
r/src/amd64.amd64/tmp/usr/sbin:/usr/obj/amd64_xtoolchain-llvm/amd64.amd64/=
usr/src/amd64.amd64/tmp/usr/bin:/sbin:/bin:/usr/sbin:/usr/bin'
SRCTOP=3D'/usr/src'
=
OBJTOP=3D'/usr/obj/amd64_xtoolchain-llvm/amd64.amd64/usr/src/amd64.amd64/s=
ys/GENERIC-NODBG/modules/usr/src'
.MAKE.MAKEFILES=3D'/usr/src/share/mk/sys.mk =
/usr/src/share/mk/local.sys.env.mk /usr/src/share/mk/src.sys.env.mk =
/root/src.configs/src.conf.amd64-xtoolchain-llvm.amd64-host =
/usr/src/share/mk/bsd.mkopt.mk /usr/src/share/mk/src.sys.obj.mk =
/usr/src/share/mk/auto.obj.mk /usr/src/share/mk/bsd.suffixes.mk =
/root/src.configs/make.conf /usr/src/share/mk/local.sys.mk =
/usr/src/share/mk/src.sys.mk /dev/null /usr/src/sys/modules/fxp/Makefile =
/usr/src/share/mk/bsd.kmod.mk /usr/src/sys/conf/kmod.mk =
/usr/src/share/mk/bsd.init.mk /usr/src/share/mk/bsd.opts.mk =
/usr/src/share/mk/bsd.cpu.mk /usr/src/share/mk/local.init.mk =
/usr/src/share/mk/src.init.mk /usr/src/sys/modules/fxp/../Makefile.inc =
/usr/src/share/mk/bsd.own.mk /usr/src/share/mk/bsd.compiler.mk =
/usr/src/share/mk/bsd.linker.mk /usr/src/sys/conf/kern.opts.mk =
/usr/src/sys/conf/config.mk /usr/src/share/mk/bsd.links.mk =
/usr/src/share/mk/bsd.dep.mk /usr/src/share/mk/bsd.clang-analyze.mk =
/usr/src/share/mk/bsd.obj.mk /usr/src/share/mk/bsd.subdir.mk =
/usr/src/sys/conf/kern.mk'
.PATH=3D'. /usr/src/sys/modules/fxp /usr/src/sys/dev/fxp =
/usr/obj/amd64_xtoolchain-llvm/amd64.amd64/usr/src/amd64.amd64/sys/GENERIC=
-NODBG'
1 error
/usr/src/sys/dev/fxp/if_fxpreg.h:297 is in:
struct fxp_cb_tx {
uint16_t cb_status;
uint16_t cb_command;
uint32_t link_addr;
uint32_t tbd_array_addr;
uint16_t byte_count;
uint8_t tx_threshold;
uint8_t tbd_number;
=20
/*
* The following structure isn't actually part of the TxCB,
* unless the extended TxCB feature is being used. In this
* case, the first two elements of the structure below are
* fetched along with the TxCB.
*/
union {
struct fxp_ipcb ipcb;
struct fxp_tbd tbd[FXP_NTXSEG + 1];
} tx_cb_u;
};
/usr/src/sys/dev/fxp/if_fxp.c:1630 is in:
/* Configure TSO. */
if (m->m_pkthdr.csum_flags & CSUM_TSO) {
cbp->tbd[-1].tb_size =3D htole32(m->m_pkthdr.tso_segsz =
<< 16);
cbp->tbd[1].tb_size |=3D htole32(tcp_payload << 16);
cbp->ipcb_ip_schedule |=3D FXP_IPCB_LARGESEND_ENABLE |
FXP_IPCB_IP_CHECKSUM_ENABLE |
FXP_IPCB_TCP_PACKET |
FXP_IPCB_TCPUDP_CHECKSUM_ENABLE;
}
=3D=3D=3D
Mark Millard
marklmi at yahoo.com
( dsl-only.net went
away in early 2018-Mar)
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