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| author | Christophe Lyon <christophe.lyon@st.com> | 2018-03-20 10:54:26 +0100 |
|---|---|---|
| committer | Christophe Lyon <christophe.lyon@linaro.org> | 2018-04-25 20:47:43 +0000 |
| commit | 617a5ada88c7d4b6aae201ad5b295f3d2ef07c10 (patch) | |
| tree | f827954e3595fb42d32cde87ade864e6b918d2b1 /bfd/elf32-arm.c | |
| parent | 249b57335279b1051456884f1a908cdec907f43a (diff) | |
| download | gdb-617a5ada88c7d4b6aae201ad5b295f3d2ef07c10.zip gdb-617a5ada88c7d4b6aae201ad5b295f3d2ef07c10.tar.gz gdb-617a5ada88c7d4b6aae201ad5b295f3d2ef07c10.tar.bz2 | |
[ARM] Add armelf_linux_fdpiceabi and armelfb_linux_fdpiceabi BFD backends
Initial definition of these new backends.
2018-04-25 Christophe Lyon <christophe.lyon@st.com>
Mickaël Guêné <mickael.guene@st.com>
bfd/
* config.bfd (arm*-*-linux-*): Add arm_elf32_fdpic_be_vec and
arm_elf32_fdpic_le_vec to targ_selvecs. Accept
arm*-*-uclinuxfdpiceabi.
* configure.ac: Add support for arm_elf32_fdpic_be_vec and
arm_elf32_fdpic_le_vec.
* configure: Regenerate.
* elf32-arm.c (struct elf32_arm_link_hash_table): Add fdpic_p.
(elf32_arm_link_hash_table_create): Initialize fdpic_p.
(TARGET_LITTLE_SYM, TARGET_LITTLE_NAME, TARGET_BIG_SYM)
(TARGET_BIG_NAME, elf_match_priority): Define for FDPIC targets.
(elf32_arm_fdpic_link_hash_table_create): New.
* targets.c (_bfd_target_vector): Add arm_elf32_fdpic_be_vec and
arm_elf32_fdpic_le_vec.
ld/
* Makefile.am (ALL_EMULATION_SOURCES): Add
earmelf_linux_fdpiceabi.c and earmelfb_linux_fdpiceabi.c.
(earmelf_linux_fdpiceabi.c, earmelfb_linux_fdpiceabi.c): New rules.
* Makefile.in: Regenerate.
* configure.tgt (arm*-*-uclinuxfdpiceabi): Handle new target.
* emulparams/armelf_linux_fdpiceabi.sh: New.
* emulparams/armelfb_linux_fdpiceabi.sh: New.
Diffstat (limited to 'bfd/elf32-arm.c')
| -rw-r--r-- | bfd/elf32-arm.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c index ce9c2f2..565bb40 100644 --- a/bfd/elf32-arm.c +++ b/bfd/elf32-arm.c @@ -3228,6 +3228,9 @@ struct elf32_arm_link_hash_table unsigned int bfd_count; unsigned int top_index; asection **input_list; + + /* True if the target system uses FDPIC. */ + int fdpic_p; }; static inline int @@ -3806,6 +3809,7 @@ elf32_arm_link_hash_table_create (bfd *abfd) #endif ret->use_rel = TRUE; ret->obfd = abfd; + ret->fdpic_p = 0; if (!bfd_hash_table_init (&ret->stub_hash_table, stub_hash_newfunc, sizeof (struct elf32_arm_stub_hash_entry))) @@ -19411,6 +19415,46 @@ elf32_arm_nacl_plt_sym_val (bfd_vma i, const asection *plt, #define ELF_COMMONPAGESIZE 0x1000 +/* FDPIC Targets. */ + +#undef TARGET_LITTLE_SYM +#define TARGET_LITTLE_SYM arm_elf32_fdpic_le_vec +#undef TARGET_LITTLE_NAME +#define TARGET_LITTLE_NAME "elf32-littlearm-fdpic" +#undef TARGET_BIG_SYM +#define TARGET_BIG_SYM arm_elf32_fdpic_be_vec +#undef TARGET_BIG_NAME +#define TARGET_BIG_NAME "elf32-bigarm-fdpic" +#undef elf_match_priority +#define elf_match_priority 128 + +/* Like elf32_arm_link_hash_table_create -- but overrides + appropriately for FDPIC. */ + +static struct bfd_link_hash_table * +elf32_arm_fdpic_link_hash_table_create (bfd *abfd) +{ + struct bfd_link_hash_table *ret; + + ret = elf32_arm_link_hash_table_create (abfd); + if (ret) + { + struct elf32_arm_link_hash_table *htab = (struct elf32_arm_link_hash_table *) ret; + + htab->fdpic_p = 1; + } + return ret; +} + +#undef elf32_bed +#define elf32_bed elf32_arm_fdpic_bed + +#undef bfd_elf32_bfd_link_hash_table_create +#define bfd_elf32_bfd_link_hash_table_create elf32_arm_fdpic_link_hash_table_create + +#include "elf32-target.h" +#undef elf_match_priority + /* VxWorks Targets. */ #undef TARGET_LITTLE_SYM |