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-rw-r--r--ld/scripttempl/elfxtensa.sc127
1 files changed, 97 insertions, 30 deletions
diff --git a/ld/scripttempl/elfxtensa.sc b/ld/scripttempl/elfxtensa.sc
index 9c3aa1fe5e70..29282aa04c09 100644
--- a/ld/scripttempl/elfxtensa.sc
+++ b/ld/scripttempl/elfxtensa.sc
@@ -14,6 +14,8 @@
# (e.g., .PARISC.global)
# OTHER_RELRO_SECTIONS - other than .data.rel.ro ...
# (e.g. PPC32 .fixup, .got[12])
+# 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)
@@ -52,6 +54,7 @@
# 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.
#
# When adding sections, do note that the names of some sections are used
# when specifying the start address of the next.
@@ -77,6 +80,22 @@
# .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
+#
+# plus exception-handling information for Tensilica's XCC compiler:
+# .xt_except_table .gnu.linkonce.e.foo
+# .xt_except_desc .gnu.linkonce.h.foo
+#
+# plus Xtensa-specific literal sections:
+# .literal .gnu.linkonce.literal.foo
+# .lit4 .gnu.linkonce.lit4.foo
+#
+# plus Xtensa-specific "property table" sections:
+# .xt.lit .gnu.linkonce.p.foo
+# .xt.insn .gnu.linkonce.x.foo (obsolete)
+# .xt.prop .gnu.linkonce.prop.foo
#
# Each of these can also have corresponding .rel.* and .rela.* sections.
@@ -91,6 +110,7 @@ test -z "${ETEXT_NAME}" && ETEXT_NAME=etext
test -n "$CREATE_SHLIB$CREATE_PIE" && test -n "$SHLIB_DATA_ADDR" && COMMONPAGESIZE=""
test -z "$CREATE_SHLIB$CREATE_PIE" && test -n "$DATA_ADDR" && COMMONPAGESIZE=""
test -n "$RELRO_NOW" && unset SEPARATE_GOTPLT
+test -z "$ATTRS_SECTIONS" && ATTRS_SECTIONS=".gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }"
DATA_SEGMENT_ALIGN="ALIGN(${SEGMENT_SIZE}) + (. & (${MAXPAGESIZE} - 1))"
DATA_SEGMENT_RELRO_END=""
DATA_SEGMENT_END=""
@@ -99,10 +119,13 @@ if test -n "${COMMONPAGESIZE}"; then
DATA_SEGMENT_END=". = DATA_SEGMENT_END (.);"
DATA_SEGMENT_RELRO_END=". = DATA_SEGMENT_RELRO_END (${SEPARATE_GOTPLT-0}, .);"
fi
-INTERP=".interp ${RELOCATING-0} : { *(.interp) }"
+if test -z "${INITIAL_READONLY_SECTIONS}${CREATE_SHLIB}"; then
+ INITIAL_READONLY_SECTIONS=".interp ${RELOCATING-0} : { *(.interp) }"
+fi
if test -z "$PLT"; then
PLT=".plt ${RELOCATING-0} : { *(.plt) }"
fi
+test -n "${DATA_PLT-${BSS_PLT-text}}" && TEXT_PLT=yes
if test -z "$GOT"; then
if test -z "$SEPARATE_GOTPLT"; then
GOT=".got ${RELOCATING-0} : { *(.got.plt) *(.got) }"
@@ -113,7 +136,7 @@ if test -z "$GOT"; then
fi
DYNAMIC=".dynamic ${RELOCATING-0} : { *(.dynamic) }"
RODATA=".rodata ${RELOCATING-0} : { *(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.*}) }"
-DATARELRO=".data.rel.ro : { *(.data.rel.ro.local) *(.data.rel.ro*) }"
+DATARELRO=".data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) }"
STACKNOTE="/DISCARD/ : { *(.note.GNU-stack) }"
INIT_LIT=".init.literal 0 : { *(.init.literal) }"
INIT=".init 0 : { *(.init) }"
@@ -122,10 +145,12 @@ FINI=".fini 0 : { *(.fini) }"
if test -z "${NO_SMALL_DATA}"; then
SBSS=".sbss ${RELOCATING-0} :
{
+ ${RELOCATING+${SBSS_START_SYMBOLS}}
${CREATE_SHLIB+*(.sbss2 .sbss2.* .gnu.linkonce.sb2.*)}
*(.dynsbss)
*(.sbss${RELOCATING+ .sbss.* .gnu.linkonce.sb.*})
*(.scommon)
+ ${RELOCATING+${SBSS_END_SYMBOLS}}
}"
SBSS2=".sbss2 ${RELOCATING-0} : { *(.sbss2${RELOCATING+ .sbss2.* .gnu.linkonce.sb2.*}) }"
SDATA="/* We want the small data sections together, so single-instruction offsets
@@ -137,7 +162,11 @@ if test -z "${NO_SMALL_DATA}"; then
${CREATE_SHLIB+*(.sdata2 .sdata2.* .gnu.linkonce.s2.*)}
*(.sdata${RELOCATING+ .sdata.* .gnu.linkonce.s.*})
}"
- SDATA2=".sdata2 ${RELOCATING-0} : { *(.sdata2${RELOCATING+ .sdata2.* .gnu.linkonce.s2.*}) }"
+ SDATA2=".sdata2 ${RELOCATING-0} :
+ {
+ ${RELOCATING+${SDATA2_START_SYMBOLS}}
+ *(.sdata2${RELOCATING+ .sdata2.* .gnu.linkonce.s2.*})
+ }"
REL_SDATA=".rel.sdata ${RELOCATING-0} : { *(.rel.sdata${RELOCATING+ .rel.sdata.* .rel.gnu.linkonce.s.*}) }
.rela.sdata ${RELOCATING-0} : { *(.rela.sdata${RELOCATING+ .rela.sdata.* .rela.gnu.linkonce.s.*}) }"
REL_SBSS=".rel.sbss ${RELOCATING-0} : { *(.rel.sbss${RELOCATING+ .rel.sbss.* .rel.gnu.linkonce.sb.*}) }
@@ -160,6 +189,31 @@ if test -z "${SDATA_GOT}"; then
fi
fi
test -n "$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" && OTHER_BSS_SECTIONS="
+ ${OTHER_BSS_SECTIONS}
+ .lbss ${RELOCATING-0} :
+ {
+ *(.dynlbss)
+ *(.lbss${RELOCATING+ .lbss.* .gnu.linkonce.lb.*})
+ *(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);}
+ }"
CTOR=".ctors ${CONSTRUCTING-0} :
{
${CONSTRUCTING+${CTOR_START}}
@@ -173,14 +227,15 @@ CTOR=".ctors ${CONSTRUCTING-0} :
doesn't matter which directory crtbegin.o
is in. */
- KEEP (*crtbegin*.o(.ctors))
+ 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 $OTHER_EXCLUDE_FILES) .ctors))
+ KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o $OTHER_EXCLUDE_FILES) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
${CONSTRUCTING+${CTOR_END}}
@@ -188,8 +243,9 @@ CTOR=".ctors ${CONSTRUCTING-0} :
DTOR=".dtors ${CONSTRUCTING-0} :
{
${CONSTRUCTING+${DTOR_START}}
- KEEP (*crtbegin*.o(.dtors))
- KEEP (*(EXCLUDE_FILE (*crtend*.o $OTHER_EXCLUDE_FILES) .dtors))
+ 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}}
@@ -211,8 +267,6 @@ cat <<EOF
ENTRY(${ENTRY})
${RELOCATING+${LIB_SEARCH_DIRS}}
-${RELOCATING+/* Do we need any of these for elf?
- __DYNAMIC = 0; ${STACKZERO+${STACKZERO}} ${SHLIB_PATH+${SHLIB_PATH}} */}
${RELOCATING+${EXECUTABLE_SYMBOLS}}
${RELOCATING+${INPUT_FILES}}
${RELOCATING- /* For some reason, the Solaris linker makes bad executables
@@ -226,10 +280,10 @@ SECTIONS
${CREATE_SHLIB-${CREATE_PIE-${RELOCATING+PROVIDE (__executable_start = ${TEXT_START_ADDR}); . = ${TEXT_BASE_ADDRESS};}}}
${CREATE_SHLIB+${RELOCATING+. = ${SHLIB_TEXT_START_ADDR:-0} + SIZEOF_HEADERS;}}
${CREATE_PIE+${RELOCATING+. = ${SHLIB_TEXT_START_ADDR:-0} + SIZEOF_HEADERS;}}
- ${CREATE_SHLIB-${INTERP}}
${INITIAL_READONLY_SECTIONS}
${TEXT_DYNAMIC+${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) }
@@ -252,8 +306,8 @@ eval $COMBRELOCCAT <<EOF
.rel.rodata ${RELOCATING-0} : { *(.rel.rodata${RELOCATING+ .rel.rodata.* .rel.gnu.linkonce.r.*}) }
.rela.rodata ${RELOCATING-0} : { *(.rela.rodata${RELOCATING+ .rela.rodata.* .rela.gnu.linkonce.r.*}) }
${OTHER_READONLY_RELOC_SECTIONS}
- .rel.data.rel.ro ${RELOCATING-0} : { *(.rel.data.rel.ro${RELOCATING+*}) }
- .rela.data.rel.ro ${RELOCATING-0} : { *(.rel.data.rel.ro${RELOCATING+*}) }
+ .rel.data.rel.ro ${RELOCATING-0} : { *(.rel.data.rel.ro${RELOCATING+* .rel.gnu.linkonce.d.rel.ro.*}) }
+ .rela.data.rel.ro ${RELOCATING-0} : { *(.rela.data.rel.ro${RELOCATING+* .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.*}) }
.rel.tdata ${RELOCATING-0} : { *(.rel.tdata${RELOCATING+ .rel.tdata.* .rel.gnu.linkonce.td.*}) }
@@ -273,6 +327,7 @@ eval $COMBRELOCCAT <<EOF
${REL_SBSS2}
.rel.bss ${RELOCATING-0} : { *(.rel.bss${RELOCATING+ .rel.bss.* .rel.gnu.linkonce.b.*}) }
.rela.bss ${RELOCATING-0} : { *(.rela.bss${RELOCATING+ .rela.bss.* .rela.gnu.linkonce.b.*}) }
+ ${REL_LARGE}
EOF
if [ -n "$COMBRELOC" ]; then
cat <<EOF
@@ -298,7 +353,8 @@ cat <<EOF
${RELOCATING-$INIT_LIT}
${RELOCATING-$INIT}
- ${DATA_PLT-${BSS_PLT-${PLT}}}
+ ${TEXT_PLT+${PLT}}
+ ${TINY_READONLY_SECTION}
.text ${RELOCATING-0} :
{
*(.got.plt* .plt*)
@@ -309,7 +365,7 @@ cat <<EOF
${RELOCATING+${INIT_END}}
${RELOCATING+${TEXT_START_SYMBOLS}}
- *(.literal .text .stub${RELOCATING+ .text.* .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*})
+ *(.literal .text .stub${RELOCATING+ .literal.* .text.* .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*})
KEEP (*(.text.*personality*))
/* .gnu.warning sections are handled specially by elf32.em. */
*(.gnu.warning)
@@ -334,7 +390,7 @@ cat <<EOF
${OTHER_READONLY_SECTIONS}
.eh_frame_hdr : { *(.eh_frame_hdr) }
.eh_frame ${RELOCATING-0} : ONLY_IF_RO { KEEP (*(.eh_frame)) }
- .gcc_except_table ${RELOCATING-0} : ONLY_IF_RO { KEEP (*(.gcc_except_table)) *(.gcc_except_table.*) }
+ .gcc_except_table ${RELOCATING-0} : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) }
/* Adjust the address for the data segment. We want to adjust up to
the same address within the page on the next page up. */
@@ -344,7 +400,7 @@ cat <<EOF
/* Exception handling */
.eh_frame ${RELOCATING-0} : ONLY_IF_RW { KEEP (*(.eh_frame)) }
- .gcc_except_table ${RELOCATING-0} : ONLY_IF_RW { KEEP (*(.gcc_except_table)) *(.gcc_except_table.*) }
+ .gcc_except_table ${RELOCATING-0} : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
/* Thread Local Storage sections */
.tdata ${RELOCATING-0} : { *(.tdata${RELOCATING+ .tdata.* .gnu.linkonce.td.*}) }
@@ -352,25 +408,24 @@ cat <<EOF
.preinit_array ${RELOCATING-0} :
{
- ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (__preinit_array_start = .);}}
+ ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__preinit_array_start = .);}}
KEEP (*(.preinit_array))
- ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (__preinit_array_end = .);}}
+ ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__preinit_array_end = .);}}
}
.init_array ${RELOCATING-0} :
{
- ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (__init_array_start = .);}}
+ ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__init_array_start = .);}}
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array))
- ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (__init_array_end = .);}}
+ ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__init_array_end = .);}}
}
.fini_array ${RELOCATING-0} :
{
- ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (__fini_array_start = .);}}
+ ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__fini_array_start = .);}}
KEEP (*(.fini_array))
KEEP (*(SORT(.fini_array.*)))
- ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (__fini_array_end = .);}}
+ ${RELOCATING+${CREATE_SHLIB-PROVIDE_HIDDEN (${USER_LABEL_PREFIX}__fini_array_end = .);}}
}
-
${SMALL_DATA_CTOR-${RELOCATING+${CTOR}}}
${SMALL_DATA_DTOR-${RELOCATING+${DTOR}}}
.jcr ${RELOCATING-0} : { KEEP (*(.jcr)) }
@@ -391,7 +446,7 @@ cat <<EOF
{
${RELOCATING+${DATA_START_SYMBOLS}}
*(.data${RELOCATING+ .data.* .gnu.linkonce.d.*})
- KEEP (*(.gnu.linkonce.d.*personality*))
+ ${RELOCATING+KEEP (*(.gnu.linkonce.d.*personality*))}
${CONSTRUCTING+SORT(CONSTRUCTORS)}
}
.data1 ${RELOCATING-0} : { *(.data1) }
@@ -405,7 +460,7 @@ cat <<EOF
${SDATA_GOT+${OTHER_GOT_SECTIONS}}
${SDATA}
${OTHER_SDATA_SECTIONS}
- ${RELOCATING+${DATA_END_SYMBOLS-_edata = .; PROVIDE (edata = .);}}
+ ${RELOCATING+${DATA_END_SYMBOLS-${USER_LABEL_PREFIX}_edata = .; PROVIDE (${USER_LABEL_PREFIX}edata = .);}}
${RELOCATING+__bss_start = .;}
${RELOCATING+${OTHER_BSS_SYMBOLS}}
${SBSS}
@@ -417,14 +472,18 @@ cat <<EOF
*(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. */
- ${RELOCATING+. = ALIGN(${ALIGNMENT});}
+ .bss section disappears because there are no input sections.
+ FIXME: Why do we need it? When there is no .bss section, we don't
+ pad the .data section. */
+ ${RELOCATING+. = ALIGN(. != 0 ? ${ALIGNMENT} : 1);}
}
+ ${OTHER_BSS_SECTIONS}
${RELOCATING+${OTHER_BSS_END_SYMBOLS}}
${RELOCATING+. = ALIGN(${ALIGNMENT});}
+ ${LARGE_SECTIONS}
+ ${RELOCATING+. = ALIGN(${ALIGNMENT});}
${RELOCATING+${OTHER_END_SYMBOLS}}
- ${RELOCATING+_end = .;}
- ${RELOCATING+PROVIDE (end = .);}
+ ${RELOCATING+${END_SYMBOLS-${USER_LABEL_PREFIX}_end = .; PROVIDE (${USER_LABEL_PREFIX}end = .);}}
${RELOCATING+${DATA_SEGMENT_END}}
/* Stabs debugging sections. */
@@ -454,7 +513,7 @@ cat <<EOF
.debug_pubnames 0 : { *(.debug_pubnames) }
/* DWARF 2 */
- .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
+ .debug_info 0 : { *(.debug_info${RELOCATING+ .gnu.linkonce.wi.*}) }
.debug_abbrev 0 : { *(.debug_abbrev) }
.debug_line 0 : { *(.debug_line) }
.debug_frame 0 : { *(.debug_frame) }
@@ -468,7 +527,15 @@ cat <<EOF
.debug_typenames 0 : { *(.debug_typenames) }
.debug_varnames 0 : { *(.debug_varnames) }
+ /* DWARF 3 */
+ .debug_pubtypes 0 : { *(.debug_pubtypes) }
+ .debug_ranges 0 : { *(.debug_ranges) }
+
+ ${TINY_DATA_SECTION}
+ ${TINY_BSS_SECTION}
+
${STACK_ADDR+${STACK}}
+ ${ATTRS_SECTIONS}
${OTHER_SECTIONS}
${RELOCATING+${OTHER_SYMBOLS}}
${RELOCATING+${STACKNOTE}}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-13 22:13:11 +0000