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authorChristophe Lyon <christophe.lyon@linaro.org>2019-11-25 08:55:37 +0000
committerChristophe Lyon <christophe.lyon@linaro.org>2020-03-13 14:44:45 +0000
commitabf874aafe3d717573e4a48bf0e3c6334e666a55 (patch)
tree48877a5c76632d003c4a64bea1b3a9eea74d4f96 /bfd/elf32-hppa.c
parent74e10d1742f1b8312359c59a2af06c9e661252b3 (diff)
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Add support for non-contiguous memory regions
2020-01-06 Christophe Lyon <christophe.lyon@linaro.org> bfd/ * bfd-in2.h: Regenerate. * section.c (asection): Add already_assigned field. (BFD_FAKE_SECTION): Add default initializer for it. * ecoff.c (bfd_debug_section): Initialize already_assigned field. * elf32-arm.c (arm_build_one_stub): Add support for non_contiguous_regions. * elf32-csky.c (csky_build_one_stub): Likewise. * elf32-hppa.c (hppa_build_one_stub): Likewise. * elf32-m68hc11.c (m68hc11_elf_build_one_stub): Likewise. * elf32-m68hc12.c (m68hc12_elf_build_one_stub): Likewise. * elf32-metag.c (metag_build_one_stub): Likewise. * elf32-nios2.c (nios2_build_one_stub): Likewise. * elf64-ppc.c (ppc_build_one_stub): Likewise. (ppc_size_one_stub): Likewise. * elfnn-aarch64.c (aarch64_build_one_stub): Likewise. * elflink.c (elf_link_input_bfd): Likewise. include/ * bfdlink.h (bfd_link_info): Add non_contiguous_regions and non_contiguous_regions_warnings fields. ld/ * ldlang.c (lang_add_section): Add support for non_contiguous_regions. (size_input_section): Likewise. (lang_size_sections_1): Likewise. (process_insert_statements): Likewise. * ldlex.h (option_values): Add OPTION_NON_CONTIGUOUS_REGIONS and OPTION_NON_CONTIGUOUS_REGIONS_WARNINGS. * lexsup.c (ld_options): Add entries for --enable-non-contiguous-regions and --enable-non-contiguous-regions-warnings. (parse_args): Handle it. * NEWS: Add --enable-non-contiguous-regions and --enable-non-contiguous-regions-warnings. * ld.texi: Add --enable-non-contiguous-regions and --enable-non-contiguous-regions-warnings documentation. * emultempl/armelf.em (elf32_arm_add_stub_section): Add SEC_LINKER_CREATED flag. * emultempl/xtensaelf.em (ld_build_required_section_dependence): Emit an error when --enable-non-contiguous-regions is used. * testsuite/ld-elf/non-contiguous.d: New. * testsuite/ld-elf/non-contiguous.ld: New. * testsuite/ld-elf/non-contiguous.s: New. * testsuite/ld-arm/arm-elf.exp: Run the new tests. * testsuite/ld-arm/arm-elf/non-contiguous-arm.s: New. * testsuite/ld-arm/arm-elf/non-contiguous-arm.d: New. * testsuite/ld-arm/arm-elf/non-contiguous-arm.ld: New. * testsuite/ld-arm/arm-elf/non-contiguous-arm2.d: New. * testsuite/ld-arm/arm-elf/non-contiguous-arm3.ld: New. * testsuite/ld-arm/arm-elf/non-contiguous-arm3.d: New. * testsuite/ld-arm/arm-elf/non-contiguous-arm3.ld: New. * testsuite/ld-arm/arm-elf/non-contiguous-arm4.d: New. * testsuite/ld-arm/arm-elf/non-contiguous-arm4.ld: New. * testsuite/ld-arm/arm-elf/non-contiguous-arm5.d: New. * testsuite/ld-arm/arm-elf/non-contiguous-arm5.ld: New. * testsuite/ld-arm/arm-elf/non-contiguous-arm6.d: New. * testsuite/ld-arm/arm-elf/non-contiguous-arm6.ld: New. * testsuite/ld-powerpc/powerpc.exp: Run new tests. * testsuite/ld-powerpc/non-contiguous-powerpc.d: New. * testsuite/ld-powerpc/non-contiguous-powerpc.ld: New. * testsuite/ld-powerpc/non-contiguous-powerpc.sd: New. * testsuite/ld-powerpc/non-contiguous-powerpc64.d: New.
Diffstat (limited to 'bfd/elf32-hppa.c')
-rw-r--r--bfd/elf32-hppa.c31
1 files changed, 31 insertions, 0 deletions
diff --git a/bfd/elf32-hppa.c b/bfd/elf32-hppa.c
index b1b0f82..9760b75 100644
--- a/bfd/elf32-hppa.c
+++ b/bfd/elf32-hppa.c
@@ -731,6 +731,17 @@ hppa_build_one_stub (struct bfd_hash_entry *bh, void *in_arg)
switch (hsh->stub_type)
{
case hppa_stub_long_branch:
+ /* Fail if the target section could not be assigned to an output
+ section. The user should fix his linker script. */
+ if (hsh->target_section->output_section == NULL
+ && info->non_contiguous_regions)
+ {
+ _bfd_error_handler (_("Could not assign '%pA' to an output section. "
+ "Retry without --enable-non-contiguous-regions.\n"),
+ hsh->target_section);
+ abort();
+ }
+
/* Create the long branch. A long branch is formed with "ldil"
loading the upper bits of the target address into a register,
then branching with "be" which adds in the lower bits.
@@ -751,6 +762,16 @@ hppa_build_one_stub (struct bfd_hash_entry *bh, void *in_arg)
break;
case hppa_stub_long_branch_shared:
+ /* Fail if the target section could not be assigned to an output
+ section. The user should fix his linker script. */
+ if (hsh->target_section->output_section == NULL
+ && info->non_contiguous_regions)
+ {
+ _bfd_error_handler (_("Could not assign %pA to an output section. "
+ "Retry without --enable-non-contiguous-regions.\n"),
+ hsh->target_section);
+ abort();
+ }
/* Branches are relative. This is where we are going to. */
sym_value = (hsh->target_value
+ hsh->target_section->output_offset
@@ -823,6 +844,16 @@ hppa_build_one_stub (struct bfd_hash_entry *bh, void *in_arg)
break;
case hppa_stub_export:
+ /* Fail if the target section could not be assigned to an output
+ section. The user should fix his linker script. */
+ if (hsh->target_section->output_section == NULL
+ && info->non_contiguous_regions)
+ {
+ _bfd_error_handler (_("Could not assign %pA to an output section. "
+ "Retry without --enable-non-contiguous-regions.\n"),
+ hsh->target_section);
+ abort();
+ }
/* Branches are relative. This is where we are going to. */
sym_value = (hsh->target_value
+ hsh->target_section->output_offset