mirror of
https://sourceware.org/git/binutils-gdb.git
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40937810e1
bfd/
Add TLS support for 64-bit Sparc ELF.
* elf64-sparc.c (sparc64_elf_dyn_relocs,
sparc64_elf_link_hash_entry, sparc64_elf_obj_tdata): New structs.
(GOT_UNKNOWN, GOT_NORMAL, GOT_TLD_GD, GOT_TLD_IE,
sparc64_elf_hash_entry, sparc64_elf_tdata,
sparc64_elf_local_got_tls_type): New defines.
(sparc64_elf_mkobject): New function.
(sparc64_elf_link_hash_table): Add members for dynamic linker
sections PLT, RELPLT, DYNBSS, and RELBSS. Add tls_ldm_got
uion to track TLS GOT references. Add sym_sec to cache
mappings from local sym to section.
(link_hash_newfunc): New function.
(sparc64_elf_bfd_link_hash_table_create): Rename to
sparc64_elf_link_hash_table_create for consistency.
Pass link_hash_newfunc to _bfd_elf_link_hash_table_init.
(sparc64_elf_create_dynamic_sections): Initialize new section
members of sparc64_elf_link_hash_table. Only init srelbss
if not-shared.
(sparc64_elf_copy_indirect_symbol, sparc64_elf_tls_transition):
New functions.
(SPARC_NOP): Define.
(sparc64_elf_build_plt, sparc64_elf_plt_entry_offset,
sparc64_elf_plt_ptr_offset): Delete.
(sparc64_plt_entry_build): New function to build PLT entries
gradually instread of all at once at the end of linking.
(sparc64_elf_check_relocs): Delete dynobj, sgot, and srelgot
local vars. Get them from sparc64_elf_hash_table instead.
Check early on if r_symndx is in bounds. Handle TLS transitions.
Account for TLS GOT references and DF_STATIC_TLS, as needed.
For TLS relocs, record the tls_type in either
sparc64_elf_local_got_tls_type or sparc64_elf_hash_entry as
appropriate. For R_SPARC_TLS_{GD,LDM}_CALL, emit a reference
to the __tls_get_addr symbol. For PLT relocs, track references
via h->plt.refcount. When R_SPARC_{PC10,PC22,PC_HH22,PC_HM10,
PC_LM22} and h not-NULL, set h->non_got_ref. For global data
symbol references, count the number of relocations needed for
that symbol. For default switch case, don't error, this lets
the TLS relocs not explicitly handled by this function get
accepted.
(sparc64_elf_gc_mark_hook, sparc64_gc_sweep_hook): New functions.
(sparc64_elf_adjust_dynamic_symbol): Remove dynobj local var, get
it from sparc64_elf_hash_table. Store the real PLT offset
in h->plt.offset, and build PLT entries one at a time. Also
get .dynbss section pointer from htab.
(allocate_dynrelocs, readonly_dynrelocs,
sparc64_omit_section_dynsym): New functions.
(sparc64_elf_omit_section_dynsym): Use these new functions as
helpers.
(dtpoff_base, tpoff): New functions.
(sparc64_elf_relocate_section): Kill dynobj, sgot, and splt
locals, get them from sparc64_elf_hash_table. Handle TLS
relocations and refcounting in main relocation loop.
(sparc64_elf_finish_dynamic_symbol): Use
sparc64_elf_link_hash_table. Build PLT entries as we see
them. Handle TLS GOT relocations.
(sparc64_elf_finish_dynamic_sections): Get sgot and dynobj
from sparc64_elf_hash_table. Initialize only PLT header
not all entries since we not build PLT entries one by one.
(elf_backend_copy_indirect_symbol, bfd_elf64_mkobject,
elf_backend_gc_mark_hook, elf_backend_gc_sweep_hook,
elf_backend_can_gc_sections, elf_backend_can_refcount): Define.
ld/testsuite/
* ld-selective/sel-dump.exp: Do not exclude sparc64-*.
* ld-selective/selective.exp: Likewise.
* ld-sparc/sparc.exp: Add {32,64}-bit prefix to test
names so we know which one is failing. Run sparc64 TLS
tests on multi-arch sparc platforms.
* ld-sparc/tls64.sd, ld-sparc/tlssunbin64.dd,
ld-sparc/tlssunbin64.rd, ld/testsuite/ld-sparc/tlssunbin64.sd,
ld-sparc/tlssunbin64.td, ld-sparc/tlssunnopic64.dd,
ld-sparc/tlssunnopic64.rd, ld-sparc/tlssunnopic64.sd,
ld-sparc/tlssunpic64.dd, ld-sparc/tlssunpic64.rd,
ld-sparc/tlssunpic64.sd, ld-sparc/tlssunpic64.td): Update now
that sparc64 ELF does support TLS.
278 lines
9.3 KiB
Plaintext
278 lines
9.3 KiB
Plaintext
#source: tlssunbin64.s
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#as: --64
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#ld: -shared -melf64_sparc tmpdir/libtlslib64.so tmpdir/tlssunbinpic64.o
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#objdump: -drj.text
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#target: sparc*-*-*
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.*: +file format elf64-sparc
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Disassembly of section .text:
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0+101000 <fn2-0x8>:
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+101000: 81 c3 e0 08 retl *
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+101004: ae 03 c0 17 add %o7, %l7, %l7
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0+101008 <fn2>:
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+101008: 9d e3 bf 60 save %sp, -160, %sp
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+10100c: 2f 00 04 04 sethi %hi\(0x101000\), %l7
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+101010: 7f ff ff fc call 101000 <.*>
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+101014: ae 05 e2 f8 add %l7, 0x2f8, %l7 ! 1012f8 <.*>
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+101018: 01 00 00 00 nop *
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+10101c: 01 00 00 00 nop *
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+101020: 01 00 00 00 nop *
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+101024: 01 00 00 00 nop *
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+101028: 23 00 00 00 sethi %hi\(0\), %l1
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+10102c: 01 00 00 00 nop *
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+101030: a4 04 60 20 add %l1, 0x20, %l2
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+101034: 01 00 00 00 nop *
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+101038: d0 5d c0 12 ldx \[ %l7 \+ %l2 \], %o0
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+10103c: 01 00 00 00 nop *
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+101040: 90 01 c0 08 add %g7, %o0, %o0
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+101044: 01 00 00 00 nop *
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+101048: 01 00 00 00 nop *
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+10104c: 01 00 00 00 nop *
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+101050: 01 00 00 00 nop *
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+101054: 01 00 00 00 nop *
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+101058: 11 00 00 00 sethi %hi\(0\), %o0
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+10105c: 92 02 20 10 add %o0, 0x10, %o1 ! 10 <.*>
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+101060: d0 5d c0 09 ldx \[ %l7 \+ %o1 \], %o0
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+101064: 90 01 c0 08 add %g7, %o0, %o0
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+101068: 01 00 00 00 nop *
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+10106c: 01 00 00 00 nop *
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+101070: 01 00 00 00 nop *
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+101074: 01 00 00 00 nop *
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+101078: 01 00 00 00 nop *
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+10107c: 21 00 00 00 sethi %hi\(0\), %l0
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+101080: aa 1c 3f 60 xor %l0, -160, %l5
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+101084: 90 01 c0 15 add %g7, %l5, %o0
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+101088: 01 00 00 00 nop *
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+10108c: 01 00 00 00 nop *
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+101090: 01 00 00 00 nop *
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+101094: 01 00 00 00 nop *
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+101098: 01 00 00 00 nop *
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+10109c: 01 00 00 00 nop *
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+1010a0: 11 00 00 00 sethi %hi\(0\), %o0
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+1010a4: 92 1a 3f 80 xor %o0, -128, %o1
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+1010a8: 90 01 c0 09 add %g7, %o1, %o0
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+1010ac: 01 00 00 00 nop *
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+1010b0: 01 00 00 00 nop *
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+1010b4: 01 00 00 00 nop *
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+1010b8: 01 00 00 00 nop *
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+1010bc: 01 00 00 00 nop *
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+1010c0: 01 00 00 00 nop *
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+1010c4: 11 00 00 00 sethi %hi\(0\), %o0
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+1010c8: 92 1a 3f a0 xor %o0, -96, %o1
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+1010cc: 90 01 c0 09 add %g7, %o1, %o0
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+1010d0: 01 00 00 00 nop *
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+1010d4: 01 00 00 00 nop *
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+1010d8: 01 00 00 00 nop *
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+1010dc: 01 00 00 00 nop *
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+1010e0: 01 00 00 00 nop *
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+1010e4: 01 00 00 00 nop *
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+1010e8: 01 00 00 00 nop *
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+1010ec: 01 00 00 00 nop *
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+1010f0: 01 00 00 00 nop *
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+1010f4: 01 00 00 00 nop *
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+1010f8: 01 00 00 00 nop *
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+1010fc: 01 00 00 00 nop *
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+101100: 90 10 00 00 mov %g0, %o0
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+101104: 01 00 00 00 nop *
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+101108: 27 00 00 00 sethi %hi\(0\), %l3
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+10110c: 01 00 00 00 nop *
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+101110: a8 1c ff 80 xor %l3, -128, %l4
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+101114: 01 00 00 00 nop *
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+101118: aa 01 c0 14 add %g7, %l4, %l5
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+10111c: 01 00 00 00 nop *
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+101120: 25 00 00 00 sethi %hi\(0\), %l2
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+101124: 01 00 00 00 nop *
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+101128: a6 1c bf 86 xor %l2, -122, %l3
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+10112c: 01 00 00 00 nop *
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+101130: ec 11 c0 13 lduh \[ %g7 \+ %l3 \], %l6
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+101134: 01 00 00 00 nop *
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+101138: 01 00 00 00 nop *
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+10113c: 01 00 00 00 nop *
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+101140: 01 00 00 00 nop *
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+101144: 01 00 00 00 nop *
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+101148: 27 00 00 00 sethi %hi\(0\), %l3
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+10114c: 01 00 00 00 nop *
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+101150: 25 00 00 00 sethi %hi\(0\), %l2
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+101154: 01 00 00 00 nop *
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+101158: a8 1c ff a0 xor %l3, -96, %l4
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+10115c: 90 10 00 00 mov %g0, %o0
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+101160: a6 1c bf a5 xor %l2, -91, %l3
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+101164: aa 01 c0 14 add %g7, %l4, %l5
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+101168: ec 09 c0 13 ldub \[ %g7 \+ %l3 \], %l6
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+10116c: 01 00 00 00 nop *
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+101170: 01 00 00 00 nop *
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+101174: 01 00 00 00 nop *
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+101178: 01 00 00 00 nop *
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+10117c: 23 00 00 00 sethi %hi\(0\), %l1
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+101180: 01 00 00 00 nop *
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+101184: a4 04 60 10 add %l1, 0x10, %l2
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+101188: 01 00 00 00 nop *
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+10118c: e4 5d c0 12 ldx \[ %l7 \+ %l2 \], %l2
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+101190: 01 00 00 00 nop *
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+101194: a4 01 c0 12 add %g7, %l2, %l2
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+101198: 01 00 00 00 nop *
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+10119c: 01 00 00 00 nop *
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+1011a0: 01 00 00 00 nop *
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+1011a4: 01 00 00 00 nop *
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+1011a8: 17 00 00 00 sethi %hi\(0\), %o3
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+1011ac: 96 1a ff 60 xor %o3, -160, %o3
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+1011b0: 94 10 00 0b mov %o3, %o2
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+1011b4: 98 01 c0 0a add %g7, %o2, %o4
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+1011b8: 01 00 00 00 nop *
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+1011bc: 01 00 00 00 nop *
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+1011c0: 01 00 00 00 nop *
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+1011c4: 01 00 00 00 nop *
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+1011c8: 29 00 00 00 sethi %hi\(0\), %l4
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+1011cc: a2 1d 3f 80 xor %l4, -128, %l1
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+1011d0: a6 10 00 11 mov %l1, %l3
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+1011d4: a6 01 c0 13 add %g7, %l3, %l3
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+1011d8: 01 00 00 00 nop *
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+1011dc: 01 00 00 00 nop *
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+1011e0: 01 00 00 00 nop *
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+1011e4: 01 00 00 00 nop *
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+1011e8: 13 00 00 00 sethi %hi\(0\), %o1
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+1011ec: 96 1a 7f a0 xor %o1, -96, %o3
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+1011f0: 90 10 00 0b mov %o3, %o0
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+1011f4: 96 01 c0 08 add %g7, %o0, %o3
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+1011f8: 01 00 00 00 nop *
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+1011fc: 01 00 00 00 nop *
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+101200: 01 00 00 00 nop *
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+101204: 01 00 00 00 nop *
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+101208: 17 00 00 00 sethi %hi\(0\), %o3
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+10120c: 96 02 e0 08 add %o3, 8, %o3 ! 8 <.*>
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+101210: d4 5d c0 0b ldx \[ %l7 \+ %o3 \], %o2
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+101214: d8 59 c0 0a ldx \[ %g7 \+ %o2 \], %o4
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+101218: 01 00 00 00 nop *
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+10121c: 01 00 00 00 nop *
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+101220: 01 00 00 00 nop *
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+101224: 01 00 00 00 nop *
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+101228: 17 00 00 00 sethi %hi\(0\), %o3
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+10122c: 96 1a ff 90 xor %o3, -112, %o3
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+101230: 94 10 00 0b mov %o3, %o2
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+101234: d8 29 c0 0a stb %o4, \[ %g7 \+ %o2 \]
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+101238: 01 00 00 00 nop *
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+10123c: 01 00 00 00 nop *
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+101240: 01 00 00 00 nop *
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+101244: 01 00 00 00 nop *
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+101248: 1b 00 00 00 sethi %hi\(0\), %o5
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+10124c: 96 1b 7f b0 xor %o5, -80, %o3
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+101250: 94 10 00 0b mov %o3, %o2
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+101254: d8 49 c0 0a ldsb \[ %g7 \+ %o2 \], %o4
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+101258: 01 00 00 00 nop *
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+10125c: 01 00 00 00 nop *
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+101260: 01 00 00 00 nop *
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+101264: 01 00 00 00 nop *
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+101268: 81 cf e0 08 rett %i7 \+ 8
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+10126c: 01 00 00 00 nop *
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#...
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0+102000 <_start>:
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+102000: 9d e3 bf 60 save %sp, -160, %sp
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+102004: 23 00 00 00 sethi %hi\(0\), %l1
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+102008: 25 00 08 08 sethi %hi\(0x202000\), %l2
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+10200c: a2 14 60 00 mov %l1, %l1
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+102010: a4 14 a3 08 or %l2, 0x308, %l2
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+102014: a3 2c 70 20 sllx %l1, 0x20, %l1
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+102018: a8 04 40 12 add %l1, %l2, %l4
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+10201c: 01 00 00 00 nop *
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+102020: 01 00 00 00 nop *
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+102024: 01 00 00 00 nop *
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+102028: 01 00 00 00 nop *
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+10202c: 17 00 00 00 sethi %hi\(0\), %o3
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+102030: 96 02 e0 18 add %o3, 0x18, %o3 ! 18 <.*>
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+102034: d4 5d 00 0b ldx \[ %l4 \+ %o3 \], %o2
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+102038: 98 01 c0 0a add %g7, %o2, %o4
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+10203c: 01 00 00 00 nop *
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+102040: 01 00 00 00 nop *
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+102044: 01 00 00 00 nop *
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+102048: 01 00 00 00 nop *
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+10204c: 17 00 00 00 sethi %hi\(0\), %o3
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+102050: 9a 1a ff d4 xor %o3, -44, %o5
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+102054: 94 10 00 0d mov %o5, %o2
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+102058: 98 01 c0 0a add %g7, %o2, %o4
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+10205c: 01 00 00 00 nop *
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+102060: 01 00 00 00 nop *
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+102064: 01 00 00 00 nop *
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+102068: 01 00 00 00 nop *
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+10206c: 17 00 00 00 sethi %hi\(0\), %o3
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+102070: 9a 1a ff f4 xor %o3, -12, %o5
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+102074: a4 10 00 0d mov %o5, %l2
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+102078: a4 01 c0 12 add %g7, %l2, %l2
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+10207c: 01 00 00 00 nop *
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+102080: 01 00 00 00 nop *
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+102084: 01 00 00 00 nop *
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+102088: 01 00 00 00 nop *
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+10208c: 17 00 00 00 sethi %hi\(0\), %o3
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+102090: 9a 1a ff fc xor %o3, -4, %o5
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+102094: a4 10 00 0d mov %o5, %l2
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+102098: e4 41 c0 12 ldsw \[ %g7 \+ %l2 \], %l2
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+10209c: 01 00 00 00 nop *
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+1020a0: 01 00 00 00 nop *
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+1020a4: 01 00 00 00 nop *
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+1020a8: 01 00 00 00 nop *
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+1020ac: 17 00 00 00 sethi %hi\(0\), %o3
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+1020b0: 9a 1a ff b4 xor %o3, -76, %o5
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+1020b4: a4 10 00 0d mov %o5, %l2
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+1020b8: a4 01 c0 12 add %g7, %l2, %l2
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+1020bc: 01 00 00 00 nop *
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+1020c0: 01 00 00 00 nop *
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+1020c4: 01 00 00 00 nop *
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+1020c8: 01 00 00 00 nop *
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+1020cc: 17 00 00 00 sethi %hi\(0\), %o3
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+1020d0: 9a 1a ff fc xor %o3, -4, %o5
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+1020d4: a4 10 00 0d mov %o5, %l2
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+1020d8: e2 29 c0 12 stb %l1, \[ %g7 \+ %l2 \]
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+1020dc: 01 00 00 00 nop *
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+1020e0: 01 00 00 00 nop *
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+1020e4: 01 00 00 00 nop *
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+1020e8: 01 00 00 00 nop *
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+1020ec: 23 00 00 00 sethi %hi\(0\), %l1
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+1020f0: 01 00 00 00 nop *
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+1020f4: a4 1c 7f 64 xor %l1, -156, %l2
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+1020f8: 01 00 00 00 nop *
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+1020fc: a6 01 c0 12 add %g7, %l2, %l3
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+102100: 01 00 00 00 nop *
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+102104: 01 00 00 00 nop *
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+102108: 01 00 00 00 nop *
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+10210c: 01 00 00 00 nop *
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+102110: 11 00 00 00 sethi %hi\(0\), %o0
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+102114: 90 1a 3f e6 xor %o0, -26, %o0
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+102118: 90 01 c0 08 add %g7, %o0, %o0
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+10211c: 01 00 00 00 nop *
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+102120: 01 00 00 00 nop *
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+102124: 01 00 00 00 nop *
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+102128: 01 00 00 00 nop *
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+10212c: 23 00 00 00 sethi %hi\(0\), %l1
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+102130: 9a 1c 7f a5 xor %l1, -91, %o5
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+102134: 92 01 c0 0d add %g7, %o5, %o1
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+102138: 01 00 00 00 nop *
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+10213c: 01 00 00 00 nop *
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+102140: 01 00 00 00 nop *
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+102144: 01 00 00 00 nop *
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+102148: 23 00 00 00 sethi %hi\(0\), %l1
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+10214c: 9a 1c 7f 68 xor %l1, -152, %o5
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+102150: d2 59 c0 0d ldx \[ %g7 \+ %o5 \], %o1
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+102154: 01 00 00 00 nop *
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+102158: 01 00 00 00 nop *
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+10215c: 01 00 00 00 nop *
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+102160: 01 00 00 00 nop *
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+102164: 11 00 00 00 sethi %hi\(0\), %o0
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+102168: 90 1a 3f eb xor %o0, -21, %o0
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+10216c: d2 29 c0 08 stb %o1, \[ %g7 \+ %o0 \]
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+102170: 01 00 00 00 nop *
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+102174: 01 00 00 00 nop *
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+102178: 01 00 00 00 nop *
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+10217c: 01 00 00 00 nop *
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+102180: 15 00 00 00 sethi %hi\(0\), %o2
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+102184: 98 1a bf ab xor %o2, -85, %o4
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+102188: da 69 c0 0c ldstub \[ %g7 \+ %o4 \], %o5
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+10218c: 01 00 00 00 nop *
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+102190: 01 00 00 00 nop *
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+102194: 01 00 00 00 nop *
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+102198: 01 00 00 00 nop *
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+10219c: 81 c7 e0 08 ret
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+1021a0: 81 e8 00 00 restore
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