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Remove support for creating ARM NOREAD sections.
gas * config/obj-elf.c (obj_elf_change_section): Remove support for ARM NOREAD sections. * config/tc-arm.c (arm_elf_section_letter): Delete. * config/tc-arm.h (md_elf_section_letter): Delete. * doc/c-arm.texi (ARM Section Attribute): Delete section. * testsuite/gas/arm/section-execute-only.d: Delete. * testsuite/gas/arm/section-execute-only.s: Delete. ld * testsuite/ld-arm/arm-elf.exp: Remove ARM NOREAD section tests. * testsuite/ld-arm/thumb1-input-section-flag-match.d: Delete. * testsuite/ld-arm/thumb1-input-section-flag-match.s: Delete. * testsuite/ld-arm/thumb1-noread-not-present-mixing-two-section.d: Delete. * testsuite/ld-arm/thumb1-noread-not-present-mixing-two-section.s: Delete. * testsuite/ld-arm/thumb1-noread-present-one-section.d: Delete. * testsuite/ld-arm/thumb1-noread-present-one-section.s: Delete. * testsuite/ld-arm/thumb1-noread-present-two-section.d: Delete. * testsuite/ld-arm/thumb1-noread-present-two-section.s: Delete.
This commit is contained in:
Nick Clifton
parent
c1d9289fef
commit
3930612461
@ -1,3 +1,13 @@
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2016-02-04 Nick Clifton <nickc@redhat.com>
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* config/obj-elf.c (obj_elf_change_section): Remove support for
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ARM NOREAD sections.
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* config/tc-arm.c (arm_elf_section_letter): Delete.
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* config/tc-arm.h (md_elf_section_letter): Delete.
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* doc/c-arm.texi (ARM Section Attribute): Delete section.
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* testsuite/gas/arm/section-execute-only.d: Delete.
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* testsuite/gas/arm/section-execute-only.s: Delete.
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2016-02-04 Nick Clifton <nickc@redhat.com>
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PR target/19561
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@ -64,10 +64,6 @@
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#include "elf/nios2.h"
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#endif
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#ifdef TC_ARM
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#include "elf/arm.h"
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#endif
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static void obj_elf_line (int);
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static void obj_elf_size (int);
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static void obj_elf_type (int);
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@ -677,11 +673,6 @@ obj_elf_change_section (const char *name,
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|| ssect->type == SHT_PREINIT_ARRAY))
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/* RX init/fini arrays can and should have the "awx" attributes set. */
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;
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#endif
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#ifdef TC_ARM
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else if (attr == (SHF_EXECINSTR | SHF_ARM_NOREAD | SHF_ALLOC))
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/* ARM can have code section with SHF_ARM_NOREAD attribute. */
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;
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#endif
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else
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{
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@ -24094,16 +24094,6 @@ arm_fix_adjustable (fixS * fixP)
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#endif /* defined (OBJ_ELF) || defined (OBJ_COFF) */
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#ifdef OBJ_ELF
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bfd_vma
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arm_elf_section_letter (int letter, char **ptrmsg)
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{
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if (letter == 'y')
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return SHF_ARM_NOREAD;
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*ptrmsg = _("unrecognized .section attribute: want a,e,w,x,y,M,S,G,T");
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return -1;
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}
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const char *
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elf32_arm_target_format (void)
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{
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@ -114,9 +114,6 @@ extern bfd_boolean tc_start_label_without_colon (void);
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#define tc_frob_fake_label(S) arm_frob_label (S)
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#ifdef OBJ_ELF
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#define md_elf_section_letter arm_elf_section_letter
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extern bfd_vma arm_elf_section_letter (int, char **);
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#define md_end arm_md_end
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extern void arm_md_end (void);
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bfd_boolean arm_is_eabi (void);
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@ -23,7 +23,6 @@
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* ARM Opcodes:: Opcodes
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* ARM Mapping Symbols:: Mapping Symbols
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* ARM Unwinding Tutorial:: Unwinding
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* ARM Section Attribute:: Section Attribute
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@end menu
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@node ARM Options
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@ -1239,14 +1238,3 @@ know more about the object-file format used to represent unwind
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information, you may consult the @cite{Exception Handling ABI for the
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ARM Architecture} available from @uref{http://infocenter.arm.com}.
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@node ARM Section Attribute
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@section Section Attribute
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@cindex ARM section attribute
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@table @code
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@item y
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This letter specifies a text section with NOREAD attribute for
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hardware that supports execute-only memory region. If not supported
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by hardware a section with this attribute will be treated as normal
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text section.
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@end table
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@ -1,27 +0,0 @@
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# name: test executable-only section attribute
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# as:
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# readelf: -t
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# This test is only valid on EABI based ports.
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# target: *-*-*eabi* *-*-nacl*
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There are 10 section headers, starting at offset 0x16c:
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Section Headers:
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\[Nr\] Name
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Type Addr Off Size ES Lk Inf Al
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Flags
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\[ 0\]
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NULL 00000000 000000 000000 00 0 0 0
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\[00000000\]:
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\[ 1\] .text
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PROGBITS 00000000 000034 000000 00 0 0 2
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\[00000006\]: ALLOC, EXEC
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\[ 2\] .data
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PROGBITS 00000000 000034 000000 00 0 0 1
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\[00000003\]: WRITE, ALLOC
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\[ 3\] .bss
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NOBITS 00000000 000034 000000 00 0 0 1
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\[00000003\]: WRITE, ALLOC
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\[ 4\] .text.foo
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PROGBITS 00000000 000034 000010 00 0 0 4
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\[20000006\]: ALLOC, EXEC, ARM_NOREAD
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#pass
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@ -1,30 +0,0 @@
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.syntax unified
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.cpu cortex-m3
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.fpu softvfp
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.eabi_attribute 20, 1
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.eabi_attribute 21, 1
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.eabi_attribute 23, 3
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.eabi_attribute 24, 1
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.eabi_attribute 25, 1
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.eabi_attribute 26, 1
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.eabi_attribute 30, 2
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.eabi_attribute 34, 1
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.eabi_attribute 18, 4
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.thumb
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.section .text.foo,"axy",%progbits
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.align 2
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.global foo
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.thumb
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.thumb_func
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.type foo, %function
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foo:
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@ args = 0, pretend = 0, frame = 0
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@ frame_needed = 0, uses_anonymous_args = 0
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@ link register save eliminated.
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movs r0, #1
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movs r1, #1
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movw r2, #257
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movs r3, #1
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b madd
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.size foo, .-foo
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12
ld/ChangeLog
12
ld/ChangeLog
@ -1,3 +1,15 @@
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2016-02-04 Nick Clifton <nickc@redhat.com>
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* testsuite/ld-arm/arm-elf.exp: Remove ARM NOREAD section tests.
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* testsuite/ld-arm/thumb1-input-section-flag-match.d: Delete.
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* testsuite/ld-arm/thumb1-input-section-flag-match.s: Delete.
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* testsuite/ld-arm/thumb1-noread-not-present-mixing-two-section.d: Delete.
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* testsuite/ld-arm/thumb1-noread-not-present-mixing-two-section.s: Delete.
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* testsuite/ld-arm/thumb1-noread-present-one-section.d: Delete.
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* testsuite/ld-arm/thumb1-noread-present-one-section.s: Delete.
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* testsuite/ld-arm/thumb1-noread-present-two-section.d: Delete.
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* testsuite/ld-arm/thumb1-noread-present-two-section.s: Delete.
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2016-02-03 H.J. Lu <hongjiu.lu@intel.com>
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PR gas/19520
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@ -312,18 +312,6 @@ set armelftests_nonacl {
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{"TLS shared library gdesc local" "--no-fix-arm1176 -shared -T arm-dyn.ld" "" "" {tls-lib-loc.s}
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{{objdump -fdw tls-lib-loc.d} {objdump -Rw tls-lib-loc.r}}
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"tls-lib-loc.so"}
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{"PF_R not present when one noread section" "-static -T arm.ld" "" "" {thumb1-noread-present-one-section.s}
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{{readelf -l thumb1-noread-present-one-section.d}}
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"thumb1-noread-present-one-section"}
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{"PF_R not present when two noread sections" "-static -T arm.ld" "" "" {thumb1-noread-present-two-section.s}
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{{readelf -l thumb1-noread-present-two-section.d}}
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"thumb1-noread-present-two-section"}
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{"PF_R present when mixing noread section with read section" "-static -T arm.ld" "" "" {thumb1-noread-not-present-mixing-two-section.s}
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{{readelf -l thumb1-noread-not-present-mixing-two-section.d}}
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"thumb1-noread-not-present-mixing-two-section"}
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{"Match SHF_ARM_NOREAD with INPUT_SECTION_FLAGS directive" "-static -T arm_noread.ld" "" "" {thumb1-input-section-flag-match.s}
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{{readelf -l thumb1-input-section-flag-match.d}}
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"thumb1-noread-not-present-mixing-two-section"}
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}
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if { ![istarget "arm*-*-nacl*"] } {
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@ -1,6 +0,0 @@
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#...
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Program Headers:
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#...
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LOAD 0x000000 0x00000000 0x00000000 0x08002 0x08002 R E 0x10000
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LOAD 0x010000 0x00800000 0x00800000 0x00002 0x00002 E 0x10000
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#...
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@ -1,18 +0,0 @@
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.text
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.section .text.fetchonly,"axy",%progbits
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.arch armv6s-m
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.syntax unified
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.global _start
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.thumb_func
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.type _start, %function
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_start:
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bx lr
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.text
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.arch armv6s-m
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.syntax unified
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.global foo
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.thumb_func
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.type foo, %function
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foo:
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bx lr
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@ -1,5 +0,0 @@
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#...
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Program Headers:
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#...
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LOAD 0x000000 0x00000000 0x00000000 0x08004 0x08004 R E 0x10000
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#...
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@ -1,18 +0,0 @@
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.text
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.section .text.noread,"axy",%progbits
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.arch armv6s-m
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.syntax unified
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.global _start
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.thumb_func
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.type _start, %function
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_start:
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bx lr
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.text
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.arch armv6s-m
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.syntax unified
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.global foo
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.thumb_func
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.type foo, %function
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foo:
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bx lr
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@ -1,5 +0,0 @@
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#...
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Program Headers:
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#...
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LOAD 0x000000 0x00000000 0x00000000 0x08002 0x08002 E 0x10000
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#...
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@ -1,9 +0,0 @@
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.text
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.section .text.fetchonly,"axy",%progbits
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.arch armv6s-m
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.syntax unified
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.global _start
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.thumb_func
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.type _start, %function
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_start:
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bx lr
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@ -1,5 +0,0 @@
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#...
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Program Headers:
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#...
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LOAD 0x000000 0x00000000 0x00000000 0x08004 0x08004 E 0x10000
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#...
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@ -1,19 +0,0 @@
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.text
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.section .text.fetchonly.first,"axy",%progbits
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.arch armv6s-m
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.syntax unified
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.global _start
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.thumb_func
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.type _start, %function
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_start:
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bx lr
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.text
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.section .text.fetchonly.second,"axy",%progbits
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.arch armv6s-m
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.syntax unified
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.global foo
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.thumb_func
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.type foo, %function
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foo:
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bx lr
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