diff options
| -rw-r--r-- | bfd/ChangeLog | 7 | ||||
| -rw-r--r-- | bfd/elf32-arm.c | 25 |
2 files changed, 31 insertions, 1 deletions
diff --git a/bfd/ChangeLog b/bfd/ChangeLog index 2d30075..af25e43 100644 --- a/bfd/ChangeLog +++ b/bfd/ChangeLog @@ -1,3 +1,10 @@ +2019-07-02 Christophe Lyon <christophe.lyon@linaro.org> + + * bfd/elf32-arm.c (CMSE_STUB_NAME): New define. + (elf32_arm_get_stub_entry): Do not try to emit long-branch stubs + for CMSE stubs. + (arm_dedicated_stub_output_section_name): Use CMSE_STUB_NAME. + 2019-07-02 Srinath Parvathaneni <srinath.parvathaneni@arm.com> * elf32-arm.c (elf32_arm_gc_mark_extra_sections): Mark debug diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c index fc7a41c..6b689769 100644 --- a/bfd/elf32-arm.c +++ b/bfd/elf32-arm.c @@ -2300,6 +2300,8 @@ typedef unsigned short int insn16; #define CMSE_PREFIX "__acle_se_" +#define CMSE_STUB_NAME ".gnu.sgstubs" + /* The name of the dynamic interpreter. This is put in the .interp section. */ #define ELF_DYNAMIC_INTERPRETER "/usr/lib/ld.so.1" @@ -4583,6 +4585,27 @@ elf32_arm_get_stub_entry (const asection *input_section, if ((input_section->flags & SEC_CODE) == 0) return NULL; + /* If the input section is the CMSE stubs one and it needs a long + branch stub to reach it's final destination, give up with an + error message: this is not supported. See PR ld/24709. */ + if (!strncmp (input_section->name, CMSE_STUB_NAME, strlen(CMSE_STUB_NAME))) + { + bfd *output_bfd = htab->obfd; + asection *out_sec = bfd_get_section_by_name (output_bfd, CMSE_STUB_NAME); + + _bfd_error_handler (_("ERROR: CMSE stub (%s section) too far " + "(%#" PRIx64 ") from destination (%#" PRIx64 ")"), + CMSE_STUB_NAME, + (uint64_t)out_sec->output_section->vma + + out_sec->output_offset, + (uint64_t)sym_sec->output_section->vma + + sym_sec->output_offset + + h->root.root.u.def.value); + /* Exit, rather than leave incompletely processed + relocations. */ + xexit(1); + } + /* If this input section is part of a group of sections sharing one stub section, then use the id of the first section in the group. Stub names need to include a section id, as there may well be @@ -4676,7 +4699,7 @@ arm_dedicated_stub_output_section_name (enum elf32_arm_stub_type stub_type) switch (stub_type) { case arm_stub_cmse_branch_thumb_only: - return ".gnu.sgstubs"; + return CMSE_STUB_NAME; default: BFD_ASSERT (!arm_dedicated_stub_output_section_required (stub_type)); |