PR ld/14397

* elf32-arm.c (elf32_arm_finish_dynamic_sections): Report an error
	if a required section is missing from the linker script.

	* ld-arm/arm-elf.exp: Add tests of linking without .rel.plt.
	* ld-arm/arm-no-rel-plt.out: Linker script without .rel.plt section.
	* ld-arm/arm-no-rel-plt.out: Expected output.
This commit is contained in:
Nick Clifton 2012-07-26 13:43:24 +00:00
parent 29f7799750
commit 054565943a
6 changed files with 265 additions and 1 deletions

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@ -1,3 +1,10 @@
2012-07-26 Meador Inge <meadori@codesourcery.com>
Nick Clifton <nickc@redhat.com>
PR ld/14397
* elf32-arm.c (elf32_arm_finish_dynamic_sections): Report an error
if a required section is missing from the linker script.
2012-07-24 Jan Waclawek <konfera@efton.sk>
PR 13899
* elf32-avr.c (elf32_avr_relax_delete_bytes): Call

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@ -14083,7 +14083,14 @@ elf32_arm_finish_dynamic_sections (bfd * output_bfd, struct bfd_link_info * info
name = RELOC_SECTION (htab, ".plt");
get_vma:
s = bfd_get_section_by_name (output_bfd, name);
BFD_ASSERT (s != NULL);
if (s == NULL)
{
/* PR ld/14397: Issue an error message if a required section is missing. */
(*_bfd_error_handler)
(_("error: required section '%s' not found in the linker script"), name);
bfd_set_error (bfd_error_invalid_operation);
return FALSE;
}
if (!htab->symbian_p)
dyn.d_un.d_ptr = s->vma;
else

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@ -1,3 +1,10 @@
2012-07-26 Meador Inge <meadori@codesourcery.com>
PR ld/14397
* ld-arm/arm-elf.exp: Add tests of linking without .rel.plt.
* ld-arm/arm-no-rel-plt.out: Linker script without .rel.plt section.
* ld-arm/arm-no-rel-plt.out: Expected output.
2012-07-13 Hans-Peter Nilsson <hp@axis.com>
* ld-elf/foo0.s: Use ARM-compatible .section syntax.

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@ -283,6 +283,14 @@ set armelftests_nonacl {
{"Simple dynamic application" "tmpdir/arm-lib.so" "" {arm-app.s}
{{objdump -fdw arm-app.d} {objdump -Rw arm-app.r}}
"arm-app"}
{"Simple static application without .rel.plt in linker script"
"-T arm-no-rel-plt.ld" "" {arm-static-app.s}
{{objdump -fdw arm-static-app.d} {objdump -rw arm-static-app.r}}
"arm-static-app"}
{"Simple dynamic application without .rel.plt in linker script"
"tmpdir/arm-lib.so -T arm-no-rel-plt.ld" "" {arm-app.s}
{{ld arm-no-rel-plt.out}}
"arm-app"}
{"Non-pcrel function reference" "tmpdir/arm-lib.so" "" {arm-app-abs32.s}
{{objdump -fdw arm-app-abs32.d} {objdump -Rw arm-app-abs32.r}}
"arm-app-abs32"}

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@ -0,0 +1,233 @@
/* Script for -z combreloc: combine and sort reloc sections */
OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm",
"elf32-littlearm")
OUTPUT_ARCH(arm)
ENTRY(_start)
SEARCH_DIR("/home/meadori/Code/install/arm-none-eabi/lib");
SECTIONS
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PROVIDE_HIDDEN (__rel_iplt_start = .);
PROVIDE_HIDDEN (__rel_iplt_end = .);
PROVIDE_HIDDEN (__rela_iplt_start = .);
*(.rela.iplt)
PROVIDE_HIDDEN (__rela_iplt_end = .);
}
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{
KEEP (*(.init))
}
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{
*(.text.unlikely .text.*_unlikely)
*(.text.exit .text.exit.*)
*(.text.startup .text.startup.*)
*(.text.hot .text.hot.*)
*(.text .stub .text.* .gnu.linkonce.t.*)
/* .gnu.warning sections are handled specially by elf32.em. */
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*(.glue_7t) *(.glue_7) *(.vfp11_veneer) *(.v4_bx)
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PROVIDE_HIDDEN (__exidx_start = .);
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PROVIDE_HIDDEN (__exidx_end = .);
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.gcc_except_table.*) }
/* These sections are generated by the Sun/Oracle C++ compiler. */
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.exception_ranges*) }
/* Adjust the address for the data segment. We want to adjust up to
the same address within the page on the next page up. */
. = ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1));
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{
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP (*(.preinit_array))
PROVIDE_HIDDEN (__preinit_array_end = .);
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PROVIDE_HIDDEN (__init_array_start = .);
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array))
PROVIDE_HIDDEN (__init_array_end = .);
}
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{
PROVIDE_HIDDEN (__fini_array_start = .);
KEEP (*(SORT(.fini_array.*)))
KEEP (*(.fini_array))
PROVIDE_HIDDEN (__fini_array_end = .);
}
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{
/* 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
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KEEP (*crtbegin.o(.ctors))
KEEP (*crtbegin?.o(.ctors))
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The .ctor section from the crtend file contains the
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KEEP (*(.dtors))
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SORT(CONSTRUCTORS)
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*(.bss .bss.* .gnu.linkonce.b.*)
*(COMMON)
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_end. Align after .bss to ensure correct alignment even if the
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FIXME: Why do we need it? When there is no .bss section, we don't
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/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }
}

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@ -0,0 +1,2 @@
.*: error: required section '.rel.plt' not found in the linker script
.*: final link failed: Invalid operation