diff options
Diffstat (limited to 'ld')
-rw-r--r-- | ld/ChangeLog | 13 | ||||
-rw-r--r-- | ld/emulparams/elf64bpf.sh | 3 | ||||
-rw-r--r-- | ld/scripttempl/elf64bpf.sc | 702 | ||||
-rw-r--r-- | ld/testsuite/ld-bpf/call-1.d | 1 | ||||
-rw-r--r-- | ld/testsuite/ld-bpf/jump-1.d | 1 | ||||
-rw-r--r-- | ld/testsuite/ld-srec/srec.exp | 4 | ||||
-rw-r--r-- | ld/testsuite/ld-undefined/undefined.exp | 14 |
7 files changed, 732 insertions, 6 deletions
diff --git a/ld/ChangeLog b/ld/ChangeLog index 563e482..424d92c 100644 --- a/ld/ChangeLog +++ b/ld/ChangeLog @@ -1,3 +1,16 @@ +2019-08-07 Jose E. Marchesi <jose.marchesi@oracle.com> + + * scripttempl/elf64bpf.sc: Adapted from elf.sc. + * emulparams/elf64bpf.sh (SCRIPT_NAME): Use elf64bpf. + (EMBEDDED): Define. + * testsuite/ld-bpf/call-1.d: Do not expect a warning regarding an + undefined entry symbol. + * testsuite/ld-bpf/jump-1.d: Likewise. + * testsuite/ld-undefined/undefined.exp: Do not pass '-e entry' to + ld in BPF targets, and do not expect line number information. + * testsuite/ld-srec/srec.exp (run_srec_test): xfail s-record tests + in BPF targets. + 2019-08-06 Alan Modra <amodra@gmail.com> PR 24873 diff --git a/ld/emulparams/elf64bpf.sh b/ld/emulparams/elf64bpf.sh index 39b23f0..94a7580 100644 --- a/ld/emulparams/elf64bpf.sh +++ b/ld/emulparams/elf64bpf.sh @@ -1,5 +1,5 @@ TEMPLATE_NAME=elf32 -SCRIPT_NAME=elf +SCRIPT_NAME=elf64bpf BIG_OUTPUT_FORMAT="elf64-bpfbe" LITTLE_OUTPUT_FORMAT="elf64-bpfle" OUTPUT_FORMAT="$LITTLE_OUTPUT_FORMAT" @@ -8,3 +8,4 @@ MACHINE= TARGET_PAGE_SIZE=0x1000 # XXX this is arbitrary, for now TEXT_START_ADDR=0x00400000 +EMBEDDED=yes diff --git a/ld/scripttempl/elf64bpf.sc b/ld/scripttempl/elf64bpf.sc new file mode 100644 index 0000000..0996f56 --- /dev/null +++ b/ld/scripttempl/elf64bpf.sc @@ -0,0 +1,702 @@ +# Copyright (C) 2014-2019 Free Software Foundation, Inc. +# +# Copying and distribution of this file, with or without modification, +# are permitted in any medium without royalty provided the copyright +# notice and this notice are preserved. +# +# Unusual variables checked by this code: +# NOP - four byte opcode for no-op (defaults to none) +# NO_SMALL_DATA - no .sbss/.sbss2/.sdata/.sdata2 sections if not +# empty. +# SMALL_DATA_CTOR - .ctors contains small data. +# SMALL_DATA_DTOR - .dtors contains small data. +# DATA_ADDR - if end-of-text-plus-one-page isn't right for data start +# INITIAL_READONLY_SECTIONS - at start of text segment +# OTHER_READONLY_SECTIONS - other than .text .init .rodata ... +# (e.g., .PARISC.milli) +# OTHER_TEXT_SECTIONS - these get put in .text when relocating +# INITIAL_READWRITE_SECTIONS - at start of data segment (after relro) +# OTHER_READWRITE_SECTIONS - other than .data .bss .ctors .sdata ... +# (e.g., .PARISC.global) +# OTHER_RELRO_SECTIONS - other than .data.rel.ro ... +# (e.g. PPC32 .fixup, .got[12]) +# OTHER_RELRO_SECTIONS_2 - as above, but after .dynamic in text segment +# OTHER_BSS_SECTIONS - other than .bss .sbss ... +# ATTRS_SECTIONS - at the end +# OTHER_SECTIONS - at the end +# EXECUTABLE_SYMBOLS - symbols that must be defined for an +# executable (e.g., _DYNAMIC_LINK) +# TEXT_START_ADDR - the first byte of the text segment, after any +# headers. +# TEXT_BASE_ADDRESS - the first byte of the text segment. +# TEXT_START_SYMBOLS - symbols that appear at the start of the +# .text section. +# DATA_START_SYMBOLS - symbols that appear at the start of the +# .data section. +# DATA_END_SYMBOLS - symbols that appear at the end of the +# writeable data sections. +# OTHER_GOT_SYMBOLS - symbols defined just before .got. +# OTHER_GOT_SECTIONS - sections just after .got. +# OTHER_PLT_SECTIONS - sections just after .plt. +# OTHER_SDATA_SECTIONS - sections just after .sdata. +# OTHER_BSS_SYMBOLS - symbols that appear at the start of the +# .bss section besides __bss_start. +# PLT_NEXT_DATA - .plt next to data segment when .plt is in text segment. +# DATA_PLT - .plt should be in data segment, not text segment. +# PLT_BEFORE_GOT - .plt just before .got when .plt is in data segement. +# BSS_PLT - .plt should be in bss segment +# NO_REL_RELOCS - Don't include .rel.* sections in script +# NO_RELA_RELOCS - Don't include .rela.* sections in script +# NON_ALLOC_DYN - Place dynamic sections after data segment. +# TEXT_DYNAMIC - .dynamic in text segment, not data segment. +# EMBEDDED - whether this is for an embedded system. +# SHLIB_TEXT_START_ADDR - if set, add to SIZEOF_HEADERS to set +# start address of shared library. +# INPUT_FILES - INPUT command of files to always include +# WRITABLE_RODATA - if set, the .rodata section should be writable +# INIT_START, INIT_END - statements just before and just after +# combination of .init sections. +# FINI_START, FINI_END - statements just before and just after +# combination of .fini sections. +# STACK_ADDR - start of a .stack section. +# OTHER_SYMBOLS - symbols to place right at the end of the script. +# ETEXT_NAME - name of a symbol for the end of the text section, +# normally etext. +# SEPARATE_CODE - if set, .text and similar sections containing +# actual machine instructions must be in wholly disjoint +# pages from any other data, including headers +# SEPARATE_GOTPLT - if set, .got.plt should be separate output section, +# so that .got can be in the RELRO area. It should be set to +# the number of bytes in the beginning of .got.plt which can be +# in the RELRO area as well. +# USER_LABEL_PREFIX - prefix to add to user-visible symbols. +# RODATA_NAME, SDATA_NAME, SBSS_NAME, BSS_NAME - base parts of names +# for standard sections, without initial "." or suffixes. +# +# When adding sections, do note that the names of some sections are used +# when specifying the start address of the next. +# + +# Many sections come in three flavours. There is the 'real' section, +# like ".data". Then there are the per-procedure or per-variable +# sections, generated by -ffunction-sections and -fdata-sections in GCC, +# and useful for --gc-sections, which for a variable "foo" might be +# ".data.foo". Then there are the linkonce sections, for which the linker +# eliminates duplicates, which are named like ".gnu.linkonce.d.foo". +# The exact correspondences are: +# +# Section Linkonce section +# .text .gnu.linkonce.t.foo +# .rodata .gnu.linkonce.r.foo +# .data .gnu.linkonce.d.foo +# .bss .gnu.linkonce.b.foo +# .sdata .gnu.linkonce.s.foo +# .sbss .gnu.linkonce.sb.foo +# .sdata2 .gnu.linkonce.s2.foo +# .sbss2 .gnu.linkonce.sb2.foo +# .debug_info .gnu.linkonce.wi.foo +# .tdata .gnu.linkonce.td.foo +# .tbss .gnu.linkonce.tb.foo +# .lrodata .gnu.linkonce.lr.foo +# .ldata .gnu.linkonce.l.foo +# .lbss .gnu.linkonce.lb.foo +# +# Each of these can also have corresponding .rel.* and .rela.* sections. + +if test -n "$NOP"; then + FILL="=$NOP" +else + FILL= +fi + +test -n "$CREATE_SHLIB$CREATE_PIE" && CREATE_PIC=" " +test -z "$RODATA_NAME" && RODATA_NAME=rodata +test -z "$SDATA_NAME" && SDATA_NAME=sdata +test -z "$SBSS_NAME" && SBSS_NAME=sbss +test -z "$BSS_NAME" && BSS_NAME=bss +test -z "${BIG_OUTPUT_FORMAT}" && BIG_OUTPUT_FORMAT=${OUTPUT_FORMAT} +test -z "${LITTLE_OUTPUT_FORMAT}" && LITTLE_OUTPUT_FORMAT=${OUTPUT_FORMAT} +if [ -z "$MACHINE" ]; then OUTPUT_ARCH=${ARCH}; else OUTPUT_ARCH=${ARCH}:${MACHINE}; fi +test -z "${ELFSIZE}" && ELFSIZE=32 +test -z "${ALIGNMENT}" && ALIGNMENT="${ELFSIZE} / 8" +test "$LD_FLAG" = "N" && DATA_ADDR=. +test -z "${ETEXT_NAME}" && ETEXT_NAME=${USER_LABEL_PREFIX}etext +test -n "$RELRO_NOW" && unset SEPARATE_GOTPLT +test -z "$ATTRS_SECTIONS" && ATTRS_SECTIONS=".gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }" +if test -z "$DATA_SEGMENT_ALIGN"; then + test -n "$CREATE_SHLIB$CREATE_PIE" && test -n "$SHLIB_DATA_ADDR" && COMMONPAGESIZE="" + test -z "$CREATE_SHLIB$CREATE_PIE" && test -n "$DATA_ADDR" && COMMONPAGESIZE="" + DATA_SEGMENT_ALIGN="ALIGN(${SEGMENT_SIZE}) + (. & (${MAXPAGESIZE} - 1))" + DATA_SEGMENT_RELRO_END="" + DATA_SEGMENT_END="" + if test -n "${COMMONPAGESIZE}"; then + if test "${SEGMENT_SIZE}" != "${MAXPAGESIZE}"; then + DATA_SEGMENT_ALIGN="ALIGN (${SEGMENT_SIZE}) - ((${MAXPAGESIZE} - .) & (${MAXPAGESIZE} - 1)); . = DATA_SEGMENT_ALIGN (${MAXPAGESIZE}, ${COMMONPAGESIZE})" + else + DATA_SEGMENT_ALIGN="DATA_SEGMENT_ALIGN (${MAXPAGESIZE}, ${COMMONPAGESIZE})" + fi + DATA_SEGMENT_END=". = DATA_SEGMENT_END (.);" + DATA_SEGMENT_RELRO_END=". = DATA_SEGMENT_RELRO_END (${SEPARATE_GOTPLT-0}, .);" + fi +fi +if test -z "${INITIAL_READONLY_SECTIONS}${CREATE_SHLIB}"; then + INITIAL_READONLY_SECTIONS=".interp ${RELOCATING-0} : { *(.interp) }" +fi +if test -z "$PLT"; then + IPLT=".iplt ${RELOCATING-0} : { *(.iplt) }" + PLT=".plt ${RELOCATING-0} : { *(.plt)${RELOCATING+${IREL_IN_PLT+ *(.iplt)}} } + ${IREL_IN_PLT-$IPLT}" +fi +test -n "${DATA_PLT-${BSS_PLT-text}}" && TEXT_PLT= +if test -z "$GOT"; then + if test -z "$SEPARATE_GOTPLT"; then + GOT=".got ${RELOCATING-0} : {${RELOCATING+ *(.got.plt) *(.igot.plt)} *(.got)${RELOCATING+ *(.igot)} }" + else + GOT=".got ${RELOCATING-0} : { *(.got)${RELOCATING+ *(.igot)} }" + GOTPLT=".got.plt ${RELOCATING-0} : { *(.got.plt)${RELOCATING+ *(.igot.plt)} }" + fi +fi +REL_IFUNC=".rel.ifunc ${RELOCATING-0} : { *(.rel.ifunc) }" +RELA_IFUNC=".rela.ifunc ${RELOCATING-0} : { *(.rela.ifunc) }" +REL_IPLT=".rel.iplt ${RELOCATING-0} : + { + ${RELOCATING+${CREATE_PIC-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rel_iplt_start = .);}} + *(.rel.iplt) + ${RELOCATING+${CREATE_PIC-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rel_iplt_end = .);}} + }" +RELA_IPLT=".rela.iplt ${RELOCATING-0} : + { + ${RELOCATING+${CREATE_PIC-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rela_iplt_start = .);}} + *(.rela.iplt) + ${RELOCATING+${CREATE_PIC-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rela_iplt_end = .);}} + }" +DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }" +RODATA=".${RODATA_NAME} ${RELOCATING-0} : { *(.${RODATA_NAME}${RELOCATING+ .${RODATA_NAME}.* .gnu.linkonce.r.*}) }" +DATARELRO=".data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro .data.rel.ro.* .gnu.linkonce.d.rel.ro.*) }" +DISCARDED="/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }" +if test -z "${NO_SMALL_DATA}"; then + SBSS=".${SBSS_NAME} ${RELOCATING-0} : + { + ${RELOCATING+${SBSS_START_SYMBOLS}} + ${CREATE_SHLIB+*(.${SBSS_NAME}2 .${SBSS_NAME}2.* .gnu.linkonce.sb2.*)} + ${RELOCATING+*(.dyn${SBSS_NAME})} + *(.${SBSS_NAME}${RELOCATING+ .${SBSS_NAME}.* .gnu.linkonce.sb.*}) + ${RELOCATING+*(.scommon)} + ${RELOCATING+${SBSS_END_SYMBOLS}} + }" + SBSS2=".${SBSS_NAME}2 ${RELOCATING-0} : { *(.${SBSS_NAME}2${RELOCATING+ .${SBSS_NAME}2.* .gnu.linkonce.sb2.*}) }" + SDATA="/* We want the small data sections together, so single-instruction offsets + can access them all, and initialized data all before uninitialized, so + we can shorten the on-disk segment size. */ + .${SDATA_NAME} ${RELOCATING-0} : + { + ${RELOCATING+${SDATA_START_SYMBOLS}} + ${CREATE_SHLIB+*(.${SDATA_NAME}2 .${SDATA_NAME}2.* .gnu.linkonce.s2.*)} + *(.${SDATA_NAME}${RELOCATING+ .${SDATA_NAME}.* .gnu.linkonce.s.*}) + }" + SDATA2=".${SDATA_NAME}2 ${RELOCATING-0} : + { + ${RELOCATING+${SDATA2_START_SYMBOLS}} + *(.${SDATA_NAME}2${RELOCATING+ .${SDATA_NAME}2.* .gnu.linkonce.s2.*}) + }" + REL_SDATA=".rel.${SDATA_NAME} ${RELOCATING-0} : { *(.rel.${SDATA_NAME}${RELOCATING+ .rel.${SDATA_NAME}.* .rel.gnu.linkonce.s.*}) } + .rela.${SDATA_NAME} ${RELOCATING-0} : { *(.rela.${SDATA_NAME}${RELOCATING+ .rela.${SDATA_NAME}.* .rela.gnu.linkonce.s.*}) }" + REL_SBSS=".rel.${SBSS_NAME} ${RELOCATING-0} : { *(.rel.${SBSS_NAME}${RELOCATING+ .rel.${SBSS_NAME}.* .rel.gnu.linkonce.sb.*}) } + .rela.${SBSS_NAME} ${RELOCATING-0} : { *(.rela.${SBSS_NAME}${RELOCATING+ .rela.${SBSS_NAME}.* .rela.gnu.linkonce.sb.*}) }" + REL_SDATA2=".rel.${SDATA_NAME}2 ${RELOCATING-0} : { *(.rel.${SDATA_NAME}2${RELOCATING+ .rel.${SDATA_NAME}2.* .rel.gnu.linkonce.s2.*}) } + .rela.${SDATA_NAME}2 ${RELOCATING-0} : { *(.rela.${SDATA_NAME}2${RELOCATING+ .rela.${SDATA_NAME}2.* .rela.gnu.linkonce.s2.*}) }" + REL_SBSS2=".rel.${SBSS_NAME}2 ${RELOCATING-0} : { *(.rel.${SBSS_NAME}2${RELOCATING+ .rel.${SBSS_NAME}2.* .rel.gnu.linkonce.sb2.*}) } + .rela.${SBSS_NAME}2 ${RELOCATING-0} : { *(.rela.${SBSS_NAME}2${RELOCATING+ .rela.${SBSS_NAME}2.* .rela.gnu.linkonce.sb2.*}) }" +else + NO_SMALL_DATA=" " +fi +if test -z "${SDATA_GOT}${DATA_GOT}"; then + if test -n "${NO_SMALL_DATA}"; then + DATA_GOT=" " + fi +fi +if test -z "${SDATA_GOT}${DATA_GOT}"; then + if test -z "${NO_SMALL_DATA}"; then + SDATA_GOT=" " + fi +fi +test -n "$SEPARATE_GOTPLT" && SEPARATE_GOTPLT=" " +test "${LARGE_SECTIONS}" = "yes" && REL_LARGE=" + .rel.ldata ${RELOCATING-0} : { *(.rel.ldata${RELOCATING+ .rel.ldata.* .rel.gnu.linkonce.l.*}) } + .rela.ldata ${RELOCATING-0} : { *(.rela.ldata${RELOCATING+ .rela.ldata.* .rela.gnu.linkonce.l.*}) } + .rel.lbss ${RELOCATING-0} : { *(.rel.lbss${RELOCATING+ .rel.lbss.* .rel.gnu.linkonce.lb.*}) } + .rela.lbss ${RELOCATING-0} : { *(.rela.lbss${RELOCATING+ .rela.lbss.* .rela.gnu.linkonce.lb.*}) } + .rel.lrodata ${RELOCATING-0} : { *(.rel.lrodata${RELOCATING+ .rel.lrodata.* .rel.gnu.linkonce.lr.*}) } + .rela.lrodata ${RELOCATING-0} : { *(.rela.lrodata${RELOCATING+ .rela.lrodata.* .rela.gnu.linkonce.lr.*}) }" +test "${LARGE_SECTIONS}" = "yes" && LARGE_BSS=" + .lbss ${RELOCATING-0} : + { + ${RELOCATING+*(.dynlbss)} + *(.lbss${RELOCATING+ .lbss.* .gnu.linkonce.lb.*}) + ${RELOCATING+*(LARGE_COMMON)} + }" +test "${LARGE_SECTIONS}" = "yes" && LARGE_SECTIONS=" + .lrodata ${RELOCATING-0} ${RELOCATING+ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))} : + { + *(.lrodata${RELOCATING+ .lrodata.* .gnu.linkonce.lr.*}) + } + .ldata ${RELOCATING-0} ${RELOCATING+ALIGN(${MAXPAGESIZE}) + (. & (${MAXPAGESIZE} - 1))} : + { + *(.ldata${RELOCATING+ .ldata.* .gnu.linkonce.l.*}) + ${RELOCATING+. = ALIGN(. != 0 ? ${ALIGNMENT} : 1);} + }" +if test "${ENABLE_INITFINI_ARRAY}" = "yes"; then + SORT_INIT_ARRAY="KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*)))" + SORT_FINI_ARRAY="KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*)))" + CTORS_IN_INIT_ARRAY="EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .ctors" + DTORS_IN_FINI_ARRAY="EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .dtors" +else + SORT_INIT_ARRAY="KEEP (*(SORT(.init_array.*)))" + SORT_FINI_ARRAY="KEEP (*(SORT(.fini_array.*)))" + CTORS_IN_INIT_ARRAY= + DTORS_IN_FINI_ARRAY= +fi +PREINIT_ARRAY=".preinit_array : + { + ${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__preinit_array_start = .);} + KEEP (*(.preinit_array)) + ${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__preinit_array_end = .);} + }" +INIT_ARRAY=".init_array : + { + ${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__init_array_start = .);} + ${SORT_INIT_ARRAY} + KEEP (*(.init_array ${CTORS_IN_INIT_ARRAY})) + ${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__init_array_end = .);} + }" +FINI_ARRAY=".fini_array : + { + ${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__fini_array_start = .);} + ${SORT_FINI_ARRAY} + KEEP (*(.fini_array ${DTORS_IN_FINI_ARRAY})) + ${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__fini_array_end = .);} + }" +CTOR=".ctors ${CONSTRUCTING-0} : + { + ${CONSTRUCTING+${CTOR_START}} + /* gcc uses crtbegin.o to find the start of + the constructors, so we make sure it is + first. Because this is a wildcard, it + doesn't matter if the user does not + actually link against crtbegin.o; the + linker won't look for a file to match a + wildcard. The wildcard also means that it + doesn't matter which directory crtbegin.o + is in. */ + + KEEP (*crtbegin.o(.ctors)) + KEEP (*crtbegin?.o(.ctors)) + + /* We don't want to include the .ctor section from + the crtend.o file until after the sorted ctors. + The .ctor section from the crtend file contains the + end of ctors marker and it must be last */ + + KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .ctors)) + KEEP (*(SORT(.ctors.*))) + KEEP (*(.ctors)) + ${CONSTRUCTING+${CTOR_END}} + }" +DTOR=".dtors ${CONSTRUCTING-0} : + { + ${CONSTRUCTING+${DTOR_START}} + KEEP (*crtbegin.o(.dtors)) + KEEP (*crtbegin?.o(.dtors)) + KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .dtors)) + KEEP (*(SORT(.dtors.*))) + KEEP (*(.dtors)) + ${CONSTRUCTING+${DTOR_END}} + }" +STACK=".stack ${RELOCATING-0}${RELOCATING+${STACK_ADDR}} : + { + ${RELOCATING+${USER_LABEL_PREFIX}_stack = .;} + *(.stack) + ${RELOCATING+${STACK_SENTINEL}} + }" + +TEXT_START_ADDR="SEGMENT_START(\"text-segment\", ${TEXT_START_ADDR})" +SHLIB_TEXT_START_ADDR="SEGMENT_START(\"text-segment\", ${SHLIB_TEXT_START_ADDR:-0})" + +# Don't bother with separate code segment when there are data sections +# between .plt and .text. +if test -z "$TINY_READONLY_SECTION"; then + case "$LD_FLAG" in + *textonly*) + SEPARATE_TEXT=" " + TEXT_SEGMENT_ALIGN=". = ALIGN(${MAXPAGESIZE});" + ;; + esac +fi + +if [ -z "$SEPARATE_CODE" ]; then + SIZEOF_HEADERS_CODE=" + SIZEOF_HEADERS" +else + SIZEOF_HEADERS_CODE= +fi + +# If this is for an embedded system, don't add SIZEOF_HEADERS. +if [ -z "$EMBEDDED" ]; then + test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR}${SIZEOF_HEADERS_CODE}" +else + test -z "${TEXT_BASE_ADDRESS}" && TEXT_BASE_ADDRESS="${TEXT_START_ADDR}" +fi + +cat <<EOF +/* Copyright (C) 2014-2019 Free Software Foundation, Inc. + + Copying and distribution of this script, with or without modification, + are permitted in any medium without royalty provided the copyright + notice and this notice are preserved. */ + +OUTPUT_FORMAT("${OUTPUT_FORMAT}", "${BIG_OUTPUT_FORMAT}", + "${LITTLE_OUTPUT_FORMAT}") +OUTPUT_ARCH(${OUTPUT_ARCH}) + +${RELOCATING+${LIB_SEARCH_DIRS}} +${RELOCATING+${CREATE_SHLIB-${EXECUTABLE_SYMBOLS}}} +${RELOCATING+${INPUT_FILES}} +${RELOCATING- /* For some reason, the Solaris linker makes bad executables + if gld -r is used and the intermediate file has sections starting + at non-zero addresses. Could be a Solaris ld bug, could be a GNU ld + bug. But for now assigning the zero vmas works. */} + +SECTIONS +{ + ${RELOCATING+${SEPARATE_TEXT-/* Read-only sections, merged into text segment: */}} + ${CREATE_SHLIB-${CREATE_PIE-${RELOCATING+PROVIDE (__executable_start = ${TEXT_START_ADDR}); . = ${TEXT_BASE_ADDRESS};}}} + ${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_TEXT_START_ADDR}${SIZEOF_HEADERS_CODE};}} + ${CREATE_PIE+${RELOCATING+PROVIDE (__executable_start = ${SHLIB_TEXT_START_ADDR}); . = ${SHLIB_TEXT_START_ADDR}${SIZEOF_HEADERS_CODE};}} +EOF + +emit_early_ro() +{ + cat <<EOF + ${INITIAL_READONLY_SECTIONS} + .note.gnu.build-id ${RELOCATING-0}: { *(.note.gnu.build-id) } +EOF +} + +test -n "${SEPARATE_CODE}" || emit_early_ro + +test -n "${RELOCATING+0}" || unset NON_ALLOC_DYN +test -z "${NON_ALLOC_DYN}" || TEXT_DYNAMIC= +cat > ldscripts/dyntmp.$$ <<EOF + ${TEXT_DYNAMIC+${DYNAMIC}} + .hash ${RELOCATING-0} : { *(.hash) } + .gnu.hash ${RELOCATING-0} : { *(.gnu.hash) } + .dynsym ${RELOCATING-0} : { *(.dynsym) } + .dynstr ${RELOCATING-0} : { *(.dynstr) } + .gnu.version ${RELOCATING-0} : { *(.gnu.version) } + .gnu.version_d ${RELOCATING-0}: { *(.gnu.version_d) } + .gnu.version_r ${RELOCATING-0}: { *(.gnu.version_r) } +EOF + +if [ "x$COMBRELOC" = x ]; then + COMBRELOCCAT="cat >> ldscripts/dyntmp.$$" +else + COMBRELOCCAT="cat > $COMBRELOC" +fi +eval $COMBRELOCCAT <<EOF + ${INITIAL_RELOC_SECTIONS} + .rel.init ${RELOCATING-0} : { *(.rel.init) } + .rela.init ${RELOCATING-0} : { *(.rela.init) } + .rel.text ${RELOCATING-0} : { *(.rel.text${RELOCATING+ .rel.text.* .rel.gnu.linkonce.t.*}) } + .rela.text ${RELOCATING-0} : { *(.rela.text${RELOCATING+ .rela.text.* .rela.gnu.linkonce.t.*}) } + .rel.fini ${RELOCATING-0} : { *(.rel.fini) } + .rela.fini ${RELOCATING-0} : { *(.rela.fini) } + .rel.${RODATA_NAME} ${RELOCATING-0} : { *(.rel.${RODATA_NAME}${RELOCATING+ .rel.${RODATA_NAME}.* .rel.gnu.linkonce.r.*}) } + .rela.${RODATA_NAME} ${RELOCATING-0} : { *(.rela.${RODATA_NAME}${RELOCATING+ .rela.${RODATA_NAME}.* .rela.gnu.linkonce.r.*}) } + ${OTHER_READONLY_RELOC_SECTIONS} + .rel.data.rel.ro ${RELOCATING-0} : { *(.rel.data.rel.ro${RELOCATING+ .rel.data.rel.ro.* .rel.gnu.linkonce.d.rel.ro.*}) } + .rela.data.rel.ro ${RELOCATING-0} : { *(.rela.data.rel.ro${RELOCATING+ .rela.data.rel.ro.* .rela.gnu.linkonce.d.rel.ro.*}) } + .rel.data ${RELOCATING-0} : { *(.rel.data${RELOCATING+ .rel.data.* .rel.gnu.linkonce.d.*}) } + .rela.data ${RELOCATING-0} : { *(.rela.data${RELOCATING+ .rela.data.* .rela.gnu.linkonce.d.*}) } + ${OTHER_READWRITE_RELOC_SECTIONS} + .rel.tdata ${RELOCATING-0} : { *(.rel.tdata${RELOCATING+ .rel.tdata.* .rel.gnu.linkonce.td.*}) } + .rela.tdata ${RELOCATING-0} : { *(.rela.tdata${RELOCATING+ .rela.tdata.* .rela.gnu.linkonce.td.*}) } + .rel.tbss ${RELOCATING-0} : { *(.rel.tbss${RELOCATING+ .rel.tbss.* .rel.gnu.linkonce.tb.*}) } + .rela.tbss ${RELOCATING-0} : { *(.rela.tbss${RELOCATING+ .rela.tbss.* .rela.gnu.linkonce.tb.*}) } + .rel.ctors ${RELOCATING-0} : { *(.rel.ctors) } + .rela.ctors ${RELOCATING-0} : { *(.rela.ctors) } + .rel.dtors ${RELOCATING-0} : { *(.rel.dtors) } + .rela.dtors ${RELOCATING-0} : { *(.rela.dtors) } + .rel.got ${RELOCATING-0} : { *(.rel.got) } + .rela.got ${RELOCATING-0} : { *(.rela.got) } + ${OTHER_GOT_RELOC_SECTIONS} + ${REL_SDATA} + ${REL_SBSS} + ${REL_SDATA2} + ${REL_SBSS2} + .rel.${BSS_NAME} ${RELOCATING-0} : { *(.rel.${BSS_NAME}${RELOCATING+ .rel.${BSS_NAME}.* .rel.gnu.linkonce.b.*}) } + .rela.${BSS_NAME} ${RELOCATING-0} : { *(.rela.${BSS_NAME}${RELOCATING+ .rela.${BSS_NAME}.* .rela.gnu.linkonce.b.*}) } + ${REL_LARGE} + ${IREL_IN_PLT+$REL_IFUNC} + ${IREL_IN_PLT+$RELA_IFUNC} + ${IREL_IN_PLT-$REL_IPLT} + ${IREL_IN_PLT-$RELA_IPLT} +EOF + +if [ -n "$COMBRELOC" ]; then +cat >> ldscripts/dyntmp.$$ <<EOF + .rel.dyn ${RELOCATING-0} : + { +EOF +sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rela\./d;/__rela_iplt_/d;s/^.*: { *\(.*\)}$/ \1/' $COMBRELOC >> ldscripts/dyntmp.$$ +cat >> ldscripts/dyntmp.$$ <<EOF + } + .rela.dyn ${RELOCATING-0} : + { +EOF +sed -e '/^[ ]*[{}][ ]*$/d;/:[ ]*$/d;/\.rel\./d;/__rel_iplt_/d;s/^.*: { *\(.*\)}/ \1/' $COMBRELOC >> ldscripts/dyntmp.$$ +cat >> ldscripts/dyntmp.$$ <<EOF + } +EOF +fi + +cat >> ldscripts/dyntmp.$$ <<EOF + .rel.plt ${RELOCATING-0} : + { + *(.rel.plt) + ${IREL_IN_PLT+${RELOCATING+${CREATE_PIC-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rel_iplt_start = .);}}} + ${IREL_IN_PLT+${RELOCATING+*(.rel.iplt)}} + ${IREL_IN_PLT+${RELOCATING+${CREATE_PIC-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rel_iplt_end = .);}}} + } + .rela.plt ${RELOCATING-0} : + { + *(.rela.plt) + ${IREL_IN_PLT+${RELOCATING+${CREATE_PIC-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rela_iplt_start = .);}}} + ${IREL_IN_PLT+${RELOCATING+*(.rela.iplt)}} + ${IREL_IN_PLT+${RELOCATING+${CREATE_PIC-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__rela_iplt_end = .);}}} + } + ${OTHER_PLT_RELOC_SECTIONS} +EOF + +emit_dyn() +{ + if test -z "${NO_REL_RELOCS}${NO_RELA_RELOCS}"; then + cat ldscripts/dyntmp.$$ + else + if test -z "${NO_REL_RELOCS}"; then + sed -e '/^[ ]*\.rela\.[^}]*$/,/}/d;/^[ ]*\.rela\./d;/__rela_iplt_/d' ldscripts/dyntmp.$$ + fi + if test -z "${NO_RELA_RELOCS}"; then + sed -e '/^[ ]*\.rel\.[^}]*$/,/}/d;/^[ ]*\.rel\./d;/__rel_iplt_/d' ldscripts/dyntmp.$$ + fi + fi + rm -f ldscripts/dyntmp.$$ +} + +test -n "${NON_ALLOC_DYN}${SEPARATE_CODE}" || emit_dyn + +cat <<EOF + ${RELOCATING+${TEXT_SEGMENT_ALIGN}} + + .init ${RELOCATING-0}${RELOCATING+${INIT_ADDR}} : + { + ${RELOCATING+${INIT_START}} + KEEP (*(SORT_NONE(.init))) + ${RELOCATING+${INIT_END}} + } ${FILL} + + ${TEXT_PLT+${PLT_NEXT_DATA-${PLT} ${OTHER_PLT_SECTIONS}}} + ${TINY_READONLY_SECTION} + .text ${RELOCATING-0} : + { + ${RELOCATING+${TEXT_START_SYMBOLS}} + ${RELOCATING+*(.text.unlikely .text.*_unlikely .text.unlikely.*)} + ${RELOCATING+*(.text.exit .text.exit.*)} + ${RELOCATING+*(.text.startup .text.startup.*)} + ${RELOCATING+*(.text.hot .text.hot.*)} + *(.text .stub${RELOCATING+ .text.* .gnu.linkonce.t.*}) + /* .gnu.warning sections are handled specially by elf32.em. */ + *(.gnu.warning) + ${RELOCATING+${OTHER_TEXT_SECTIONS}} + } ${FILL} + .fini ${RELOCATING-0}${RELOCATING+${FINI_ADDR}} : + { + ${RELOCATING+${FINI_START}} + KEEP (*(SORT_NONE(.fini))) + ${RELOCATING+${FINI_END}} + } ${FILL} + ${RELOCATING+PROVIDE (__${ETEXT_NAME} = .);} + ${RELOCATING+PROVIDE (_${ETEXT_NAME} = .);} + ${RELOCATING+PROVIDE (${ETEXT_NAME} = .);} + ${RELOCATING+${TEXT_SEGMENT_ALIGN}} +EOF + +if test -n "${SEPARATE_CODE}${SEPARATE_TEXT}"; then + if test -n "${RODATA_ADDR}"; then + RODATA_ADDR="\ +SEGMENT_START(\"rodata-segment\", ${RODATA_ADDR}) + SIZEOF_HEADERS" + else + RODATA_ADDR="ALIGN(${SEGMENT_SIZE}) + (. & (${MAXPAGESIZE} - 1))" + RODATA_ADDR="SEGMENT_START(\"rodata-segment\", ${RODATA_ADDR})" + fi + if test -n "${SHLIB_RODATA_ADDR}"; then + SHLIB_RODATA_ADDR="\ +SEGMENT_START(\"rodata-segment\", ${SHLIB_RODATA_ADDR}) + SIZEOF_HEADERS" + else + SHLIB_RODATA_ADDR="ALIGN(${SEGMENT_SIZE}) + (. & (${MAXPAGESIZE} - 1))" + SHLIB_RODATA_ADDR="SEGMENT_START(\"rodata-segment\", ${SHLIB_RODATA_ADDR})" + fi + cat <<EOF + ${RELOCATING+/* Adjust the address for the rodata segment. We want to adjust up to + the same address within the page on the next page up. */ + ${CREATE_SHLIB-${CREATE_PIE-. = ${RODATA_ADDR};}} + ${CREATE_SHLIB+. = ${SHLIB_RODATA_ADDR};} + ${CREATE_PIE+. = ${SHLIB_RODATA_ADDR};}} +EOF + if test -n "${SEPARATE_CODE}"; then + emit_early_ro + emit_dyn + fi +fi + +cat <<EOF + ${WRITABLE_RODATA-${RODATA}} + .${RODATA_NAME}1 ${RELOCATING-0} : { *(.${RODATA_NAME}1) } + ${CREATE_SHLIB-${SDATA2}} + ${CREATE_SHLIB-${SBSS2}} + ${OTHER_READONLY_SECTIONS} + .eh_frame_hdr ${RELOCATING-0} : { *(.eh_frame_hdr)${RELOCATING+ *(.eh_frame_entry .eh_frame_entry.*)} } + .eh_frame ${RELOCATING-0} : ONLY_IF_RO { KEEP (*(.eh_frame))${RELOCATING+ *(.eh_frame.*)} } + .gcc_except_table ${RELOCATING-0} : ONLY_IF_RO { *(.gcc_except_table${RELOCATING+ .gcc_except_table.*}) } + .gnu_extab ${RELOCATING-0} : ONLY_IF_RO { *(.gnu_extab*) } + /* These sections are generated by the Sun/Oracle C++ compiler. */ + .exception_ranges ${RELOCATING-0} : ONLY_IF_RO { *(.exception_ranges${RELOCATING+*}) } + ${TEXT_PLT+${PLT_NEXT_DATA+${PLT} ${OTHER_PLT_SECTIONS}}} + + ${RELOCATING+/* Adjust the address for the data segment. We want to adjust up to + the same address within the page on the next page up. */} + ${CREATE_SHLIB-${CREATE_PIE-${RELOCATING+. = ${DATA_ADDR-${DATA_SEGMENT_ALIGN}};}}} + ${CREATE_SHLIB+. = ${SHLIB_DATA_ADDR-${DATA_SEGMENT_ALIGN}};} + ${CREATE_PIE+. = ${SHLIB_DATA_ADDR-${DATA_SEGMENT_ALIGN}};} + + /* Exception handling */ + .eh_frame ${RELOCATING-0} : ONLY_IF_RW { KEEP (*(.eh_frame))${RELOCATING+ *(.eh_frame.*)} } + .gnu_extab ${RELOCATING-0} : ONLY_IF_RW { *(.gnu_extab) } + .gcc_except_table ${RELOCATING-0} : ONLY_IF_RW { *(.gcc_except_table${RELOCATING+ .gcc_except_table.*}) } + .exception_ranges ${RELOCATING-0} : ONLY_IF_RW { *(.exception_ranges${RELOCATING+*}) } + + /* Thread Local Storage sections */ + .tdata ${RELOCATING-0} : + { + ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__tdata_start = .);}} + *(.tdata${RELOCATING+ .tdata.* .gnu.linkonce.td.*}) + } + .tbss ${RELOCATING-0} : { *(.tbss${RELOCATING+ .tbss.* .gnu.linkonce.tb.*})${RELOCATING+ *(.tcommon)} } + + ${RELOCATING+${PREINIT_ARRAY}} + ${RELOCATING+${INIT_ARRAY}} + ${RELOCATING+${FINI_ARRAY}} + ${SMALL_DATA_CTOR-${RELOCATING+${CTOR}}} + ${SMALL_DATA_DTOR-${RELOCATING+${DTOR}}} + .jcr ${RELOCATING-0} : { KEEP (*(.jcr)) } + + ${RELOCATING+${DATARELRO}} + ${OTHER_RELRO_SECTIONS} + ${TEXT_DYNAMIC-${DYNAMIC}} + ${OTHER_RELRO_SECTIONS_2} + ${DATA_GOT+${RELRO_NOW+${DATA_PLT+${PLT_BEFORE_GOT+${PLT}}}}} + ${DATA_GOT+${RELRO_NOW+${GOT}}} + ${DATA_GOT+${RELRO_NOW+${GOTPLT}}} + ${DATA_GOT+${RELRO_NOW-${SEPARATE_GOTPLT+${GOT}}}} + ${RELOCATING+${DATA_SEGMENT_RELRO_END}} + ${INITIAL_READWRITE_SECTIONS} + ${DATA_SDATA+${SDATA}} + ${DATA_SDATA+${OTHER_SDATA_SECTIONS}} + ${DATA_SDATA+${SBSS}} + ${DATA_GOT+${RELRO_NOW-${DATA_PLT+${PLT_BEFORE_GOT+${PLT}}}}} + ${DATA_GOT+${RELRO_NOW-${SEPARATE_GOTPLT-${GOT}}}} + ${DATA_GOT+${RELRO_NOW-${GOTPLT}}} + + ${DATA_PLT+${PLT_BEFORE_GOT-${PLT}}} + + .data ${RELOCATING-0} : + { + ${RELOCATING+${DATA_START_SYMBOLS}} + *(.data${RELOCATING+ .data.* .gnu.linkonce.d.*}) + ${CONSTRUCTING+SORT(CONSTRUCTORS)} + } + .data1 ${RELOCATING-0} : { *(.data1) } + ${WRITABLE_RODATA+${RODATA}} + ${OTHER_READWRITE_SECTIONS} + ${SMALL_DATA_CTOR+${RELOCATING+${CTOR}}} + ${SMALL_DATA_DTOR+${RELOCATING+${DTOR}}} + ${SDATA_GOT+${DATA_PLT+${PLT_BEFORE_GOT+${PLT}}}} + ${SDATA_GOT+${RELOCATING+${OTHER_GOT_SYMBOLS+. = .; ${OTHER_GOT_SYMBOLS}}}} + ${SDATA_GOT+${GOT}} + ${SDATA_GOT+${OTHER_GOT_SECTIONS}} + ${DATA_SDATA-${SDATA}} + ${DATA_SDATA-${OTHER_SDATA_SECTIONS}} + ${RELOCATING+${DATA_END_SYMBOLS-${CREATE_SHLIB+PROVIDE (}${USER_LABEL_PREFIX}_edata = .${CREATE_SHLIB+)}; PROVIDE (${USER_LABEL_PREFIX}edata = .);}} + ${RELOCATING+. = .;} + ${RELOCATING+${CREATE_SHLIB+PROVIDE (}${USER_LABEL_PREFIX}__bss_start = .${CREATE_SHLIB+)};} + ${RELOCATING+${OTHER_BSS_SYMBOLS}} + ${DATA_SDATA-${SBSS}} + ${BSS_PLT+${PLT}} + .${BSS_NAME} ${RELOCATING-0} : + { + ${RELOCATING+*(.dynbss)} + *(.${BSS_NAME}${RELOCATING+ .${BSS_NAME}.* .gnu.linkonce.b.*}) + ${RELOCATING+*(COMMON) + /* Align here to ensure that the .bss section occupies space up to + _end. Align after .bss to ensure correct alignment even if the + .bss section disappears because there are no input sections. + FIXME: Why do we need it? When there is no .bss section, we do not + pad the .data section. */ + . = ALIGN(. != 0 ? ${ALIGNMENT} : 1);} + } + ${OTHER_BSS_SECTIONS} + ${LARGE_BSS_AFTER_BSS+${LARGE_BSS}} + ${RELOCATING+${OTHER_BSS_END_SYMBOLS}} + ${RELOCATING+. = ALIGN(${ALIGNMENT});} +EOF + +LARGE_DATA_ADDR=". = SEGMENT_START(\"ldata-segment\", ${LARGE_DATA_ADDR-.});" +SHLIB_LARGE_DATA_ADDR=". = SEGMENT_START(\"ldata-segment\", ${SHLIB_LARGE_DATA_ADDR-.});" + +cat <<EOF + ${RELOCATING+${CREATE_SHLIB-${CREATE_PIE-${LARGE_DATA_ADDR}}}} + ${CREATE_SHLIB+${SHLIB_LARGE_DATA_ADDR}} + ${CREATE_PIE+${SHLIB_LARGE_DATA_ADDR}} + ${LARGE_SECTIONS} + ${LARGE_BSS_AFTER_BSS-${LARGE_BSS}} + ${RELOCATING+. = ALIGN(${ALIGNMENT});} + ${RELOCATING+${OTHER_END_SYMBOLS}} + ${RELOCATING+${END_SYMBOLS-${CREATE_SHLIB+PROVIDE (}${USER_LABEL_PREFIX}_end = .${CREATE_SHLIB+)}; PROVIDE (${USER_LABEL_PREFIX}end = .);}} + ${RELOCATING+${DATA_SEGMENT_END}} + ${TINY_DATA_SECTION} + ${TINY_BSS_SECTION} + ${STACK_ADDR+${STACK}} +EOF + +test -z "${NON_ALLOC_DYN}" || emit_dyn + +cat <<EOF + /* Stabs debugging sections. */ + .stab 0 : { *(.stab) } + .stabstr 0 : { *(.stabstr) } + .stab.excl 0 : { *(.stab.excl) } + .stab.exclstr 0 : { *(.stab.exclstr) } + .stab.index 0 : { *(.stab.index) } + .stab.indexstr 0 : { *(.stab.indexstr) } + + .comment 0 : { *(.comment) } + + .gnu.build.attributes : { *(.gnu.build.attributes${RELOCATING+ .gnu.build.attributes.*}) } + +EOF + +cat <<EOF + ${ATTRS_SECTIONS} + ${OTHER_SECTIONS} + ${RELOCATING+${OTHER_SYMBOLS}} + ${RELOCATING+${DISCARDED}} +} +EOF diff --git a/ld/testsuite/ld-bpf/call-1.d b/ld/testsuite/ld-bpf/call-1.d index f408cd4..d44c14e 100644 --- a/ld/testsuite/ld-bpf/call-1.d +++ b/ld/testsuite/ld-bpf/call-1.d @@ -3,7 +3,6 @@ #source: bar.s #objdump: -dr #ld: -EL -#warning: .*cannot find entry symbol _start.* #name: CALL with disp32 reloc .*: +file format .*bpf.* diff --git a/ld/testsuite/ld-bpf/jump-1.d b/ld/testsuite/ld-bpf/jump-1.d index b57bcf1..0e3de4e 100644 --- a/ld/testsuite/ld-bpf/jump-1.d +++ b/ld/testsuite/ld-bpf/jump-1.d @@ -3,7 +3,6 @@ #source: bar.s #objdump: -dr #ld: -EL -#warning: .*cannot find entry symbol _start.* #name: jump with disp16 reloc .*: +file format .*bpf.* diff --git a/ld/testsuite/ld-srec/srec.exp b/ld/testsuite/ld-srec/srec.exp index 944e0a7..17d4bc4 100644 --- a/ld/testsuite/ld-srec/srec.exp +++ b/ld/testsuite/ld-srec/srec.exp @@ -428,6 +428,9 @@ setup_xfail "tile*-*-*" # The S-record linker is not supported for C-SKY. setup_xfail "csky*-*-*" +# The S-record linker is not supported for eBPF. +setup_xfail "bpf-*-*" + run_srec_test $test1 "tmpdir/sr1.o tmpdir/sr2.o" # Now try linking a C++ program with global constructors and @@ -464,6 +467,7 @@ setup_xfail "score-*-*" setup_xfail "bfin-*-linux-uclibc" setup_xfail "tile*-*-*" setup_xfail "csky*-*-*" +setup_xfail "bpf-*-*" run_srec_test $test2 "tmpdir/sr3.o" diff --git a/ld/testsuite/ld-undefined/undefined.exp b/ld/testsuite/ld-undefined/undefined.exp index 8a8e865..958623f 100644 --- a/ld/testsuite/ld-undefined/undefined.exp +++ b/ld/testsuite/ld-undefined/undefined.exp @@ -40,9 +40,14 @@ if { ![check_compiler_available] } { set flags [big_or_little_endian] # Using -e start prevents the SunOS linker from trying to build a - # shared library. - send_log "$ld -e start $flags -o tmpdir/undefined tmpdir/undefined.o\n" - set exec_output [run_host_cmd "$ld" "-e start $flags -o tmpdir/undefined tmpdir/undefined.o"] + # shared library. But don't use an entry point in BPF targets. + switch -glob $target_triplet { + bpf-*-* { set entry "" } + * { set entry "-e start" } + } + + send_log "$ld $entry $flags -o tmpdir/undefined tmpdir/undefined.o\n" + set exec_output [run_host_cmd "$ld" "$entry $flags -o tmpdir/undefined tmpdir/undefined.o"] send_log "$exec_output\n" verbose "$exec_output" @@ -142,6 +147,9 @@ if { ![check_compiler_available] } { setup_xfail xtensa*-*-linux* setup_xfail hppa*64*-*-* + # eBPF doesn't support dwarf yet. + setup_xfail bpf-*-* + checkund $ml $testline } |