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https://sourceware.org/git/binutils-gdb.git
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c20c30f615
This is -fpie -pie generating dynamic relocations in the text section, simply because no TLS transitions are applied in PIE mode. The meat of the patch is to turn calls to bfd_link_pic (info) in TLS-related code into !bfd_link_executable (info) and there are quite a lot of them... bfd/ * elfxx-sparc.c (sparc_elf_tls_transition): Turn call to bfd_link_pic into call to !bfd_link_executable and tidy up. (_bfd_sparc_elf_check_relocs): Fix formatting and tidy up. <R_SPARC_TLS_LE_HIX22>: Turn call to bfd_link_pic into call to !bfd_link_executable. <R_SPARC_TLS_IE_HI22>: Likewise. <GOT relocations>: Remove useless code, tidy and merge blocks. <R_SPARC_TLS_GD_CALL>: Turn call to bfd_link_pic into call to !bfd_link_executable. <R_SPARC_WPLT30>: Tidy up. (_bfd_sparc_elf_gc_mark_hook): Turn call to bfd_link_pic into call to !bfd_link_executable. (allocate_dynrelocs): Likewise. (_bfd_sparc_elf_relocate_section): Fix formatting and tidy up. <R_SPARC_TLS_GD_HI22>: Merge into... <R_SPARC_TLS_GD_LO10>: ...this. Adjust 4th argument in call to sparc_elf_tls_transition and remove redundant code. <R_SPARC_TLS_LDM_HI22>: Turn call to bfd_link_pic into call to !bfd_link_executable. <R_SPARC_TLS_LDO_HIX22>: Likewise. <R_SPARC_TLS_LE_HIX22>: Likewise. Tidy up. <R_SPARC_TLS_LDM_CALL>: Likewise. <R_SPARC_TLS_GD_CALL>: Likewise. Tidy up. <R_SPARC_TLS_GD_ADD>: Likewise. <R_SPARC_TLS_LDM_ADD>: Likewise. <R_SPARC_TLS_LDO_ADD>: Likewise. <R_SPARC_TLS_IE_LD>: Likewise. ld/ * testsuite/ld-elf/tls.exp (AFLAGS_PIC): Define on SPARC. (pr22263-1): Pass AFLAGS_PIC to the assembler. * testsuite/ld-sparc/tlspie32.s: Add test for other 3 transitions. * testsuite/ld-sparc/tlspie32.dd: Adjust to above. * testsuite/ld-sparc/tlspie64.s: Add test for other 3 transitions. * testsuite/ld-sparc/tlspie64.dd: Adjust to above.
71 lines
1.5 KiB
ArmAsm
71 lines
1.5 KiB
ArmAsm
.section .tbss,"awT",@nobits
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.global tls_gd
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.align 4
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.type tls_gd, #object
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.size tls_gd, 4
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tls_gd:
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.skip 4
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.global tls_ld
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.align 4
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.type tls_ld, #object
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.size tls_ld, 4
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tls_ld:
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.skip 4
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.global tls_ie
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.align 4
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.type tls_ie, #object
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.size tls_ie, 4
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tls_ie:
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.skip 4
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.section ".text"
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.LLGETPC0:
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retl
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add %o7, %l7, %l7
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.align 4
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.global foo
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.type foo, #function
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.proc 0104
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foo:
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save %sp, -160, %sp
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sethi %hi(_GLOBAL_OFFSET_TABLE_-4), %l7
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call .LLGETPC0
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add %l7, %lo(_GLOBAL_OFFSET_TABLE_+4), %l7
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nop;nop;nop;nop
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/* GD -> IE with global variable not defined in executable */
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sethi %tgd_hi22(sG1), %g1
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add %g1, %tgd_lo10(sG1), %g1
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add %l7, %g1, %o0, %tgd_add(sG1)
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call __tls_get_addr, %tgd_call(sG1)
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nop
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nop;nop;nop;nop
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/* GD -> LE with global variable defined in executable */
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sethi %tgd_hi22(tls_gd), %g1
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add %g1, %tgd_lo10(tls_gd), %g1
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add %l7, %g1, %o0, %tgd_add(tls_gd)
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call __tls_get_addr, %tgd_call(tls_gd)
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nop
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nop;nop;nop;nop
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/* LD -> LE with global variable defined in executable */
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sethi %tldm_hi22(tls_ld), %g1
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add %g1, %tldm_lo10(tls_ld), %g1
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add %l7, %g1, %o0, %tldm_add(tls_ld)
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call __tls_get_addr, %tldm_call(tls_ld)
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nop
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sethi %tldo_hix22(tls_ld), %g1
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xor %g1, %tldo_lox10(tls_ld), %g1
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add %o0, %g1, %g1, %tldo_add(tls_ld)
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nop;nop;nop;nop
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/* IE -> LE with global variable defined in executable */
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sethi %tie_hi22(tls_ie), %g1
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add %g1, %tie_lo10(tls_ie), %g1
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ldx [%l7 + %g1], %g1, %tie_ldx(tls_ie)
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add %g7, %g1, %g1, %tie_add(tls_ie)
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nop;nop;nop;nop
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ret
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restore
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