binutils-gdb/ld/testsuite/ld-powerpc/tlsexers.r

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PowerPC64 __tls_get_addr_desc This implements register saving and restoring in the __tls_get_addr call stub, so that when glibc supports the optimized tls call stub gcc can generate code that assumes only r0, r12 and of course r3 are changed on a __tls_get_addr call. When gcc expects __tls_get_addr calls to preserve registers the call will be to __tls_get_addr_desc, which will be translated by the linker to a call to __tls_get_addr_opt. bfd/ * elf64-ppc.h (struct ppc64_elf_params): Add no_tls_get_addr_regsave. * elf64-ppc.c (struct ppc_link_hash_table): Add tga_desc and tga_desc_fd. (is_tls_get_addr): Match tga_desc and tga_desc_df too. (STDU_R1_0R1, ADDI_R1_R1): Define. (tls_get_addr_prologue, tls_get_addr_epilogue): New functions. (ppc64_elf_tls_setup): Set up tga_desc and tga_desc_fd. Indirect tga_desc_fd to opt_fd, and tga_desc to opt. Set no_tls_get_addr_regsave. (branch_reloc_hash_match): Add hash3 and hash4. (ppc64_elf_tls_optimize): Handle tga_desc_fd and tga_desc too. (ppc64_elf_size_dynamic_sections): Likewise. (ppc64_elf_relocate_section): Likewise. (plt_stub_size, build_plt_stub): Likewise. Size regsave __tls_get_addr stub. (build_tls_get_addr_stub): Build regsave __tls_get_addr stub and eh_frame. (ppc_size_one_stub): Handle tga_desc_fd and tga_desc too. Size eh_frame for regsave __tls_get_addr. gas/ * config/tc-ppc.c (parse_tls_arg): Handle tls arg for __tls_get_addr_desc and __tls_get_addr_opt. ld/ * emultempl/ppc64elf.em (ppc64_opt, PARSE_AND_LIST_LONGOPTS), (PARSE_AND_LIST_OPTIONS, PARSE_AND_LIST_ARGS_CASES): Support --tls-get-addr-regsave and --no-tls-get-addr-regsave. (params): Init new field. * ld.texi (--tls-get-addr-regsave, --no-tls-get-addr-regsave): Document. * testsuite/ld-powerpc/tlsdesc.s, * testsuite/ld-powerpc/tlsdesc.d, * testsuite/ld-powerpc/tlsdesc.wf, * testsuite/ld-powerpc/tlsdesc2.d, * testsuite/ld-powerpc/tlsdesc2.wf, * testsuite/ld-powerpc/tlsexenors.d, * testsuite/ld-powerpc/tlsexenors.r, * testsuite/ld-powerpc/tlsexers.d, * testsuite/ld-powerpc/tlsexers.r, * testsuite/ld-powerpc/tlsexetocnors.d, * testsuite/ld-powerpc/tlsexetocrs.d, * testsuite/ld-powerpc/tlsexetocrs.r, * testsuite/ld-powerpc/tlsopt6.d, * testsuite/ld-powerpc/tlsopt6.wf: New. * testsuite/ld-powerpc/powerpc.exp: Run new tests.
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#source: tls.s
#source: tlslib.s
#as: -a64
#ld:
#readelf: -WSsrl
#target: powerpc64*-*-*
There are [0-9]+ section headers, starting at offset 0x[0-9a-f]+:
Section Headers:
+\[Nr\] Name +Type +Address +Off +Size +ES Flg Lk Inf Al
+\[[ 0-9]+\] +NULL +0+ 0+ 0+ 0+ +0 +0 +0
+\[[ 0-9]+\] \.interp +.*
+\[[ 0-9]+\] \.hash +.*
+\[[ 0-9]+\] \.dynsym +.*
+\[[ 0-9]+\] \.dynstr +.*
+\[[ 0-9]+\] \.rela\.dyn +.*
+\[[ 0-9]+\] \.rela\.plt +.*
+\[[ 0-9]+\] \.text +PROGBITS .* 0+164 0+ +AX +0 +0 +32
+\[[ 0-9]+\] \.tdata +PROGBITS .* 0+38 0+ WAT +0 +0 +8
+\[[ 0-9]+\] \.tbss +NOBITS .* 0+38 0+ WAT +0 +0 +8
+\[[ 0-9]+\] \.dynamic +DYNAMIC .* 0+160 10 +WA +4 +0 +8
+\[[ 0-9]+\] \.opd .*
+\[[ 0-9]+\] \.got +PROGBITS .* 0+30 08 +WA +0 +0 +256
+\[[ 0-9]+\] \.plt +.*
+\[[ 0-9]+\] \.symtab +.*
+\[[ 0-9]+\] \.strtab +.*
+\[[ 0-9]+\] \.shstrtab +.*
#...
Elf file type is EXEC \(Executable file\)
Entry point .*
There are [0-9]+ program headers, starting at offset [0-9]+
Program Headers:
+Type +Offset +VirtAddr +PhysAddr +FileSiz +MemSiz +Flg Align
+PHDR +0x0+40 0x0+10000040 0x0+10000040 0x0+150 0x0+150 R +0x8
+INTERP +0x0+190 0x0+10000190 0x0+10000190 0x0+11 0x0+11 R +0x1
+\[Requesting program interpreter: .*\]
+LOAD .* R E 0x10000
+LOAD .* RW +0x10000
+DYNAMIC .* RW +0x8
+TLS .* 0x0+38 0x0+70 R +0x8
Section to Segment mapping:
+Segment Sections\.\.\.
+0+ +
+01 +\.interp *
+02 +\.interp \.hash \.dynsym \.dynstr \.rela\.dyn \.rela\.plt \.text *
+03 +\.tdata \.dynamic \.opd \.got \.plt *
+04 +\.dynamic *
+05 +\.tdata \.tbss *
Relocation section '\.rela\.dyn' at offset .* contains 2 entries:
+Offset +Info +Type +Symbol's Value +Symbol's Name \+ Addend
[0-9a-f ]+R_PPC64_TPREL64 +0+ gd \+ 0
[0-9a-f ]+R_PPC64_DTPMOD64 +0+ ld \+ 0
Relocation section '\.rela\.plt' at offset .* contains 1 entry:
+Offset +Info +Type +Symbol's Value +Symbol's Name \+ Addend
[0-9a-f ]+R_PPC64_JMP_SLOT +0+ __tls_get_addr_opt \+ 0
Symbol table '\.dynsym' contains [0-9]+ entries:
+Num: +Value +Size +Type +Bind +Vis +Ndx +Name
.* NOTYPE +LOCAL +DEFAULT +UND *
.* TLS +GLOBAL +DEFAULT +UND gd
.* TLS +GLOBAL +DEFAULT +UND ld
.* FUNC +GLOBAL +DEFAULT +UND __tls_get_addr_opt
Symbol table '\.symtab' contains [0-9]+ entries:
+Num: +Value +Size +Type +Bind +Vis +Ndx +Name
.* 0+ +0 +NOTYPE +LOCAL +DEFAULT +UND *
.* SECTION +LOCAL +DEFAULT +1 \.interp
.* SECTION +LOCAL +DEFAULT +2 \.hash
.* SECTION +LOCAL +DEFAULT +3 \.dynsym
.* SECTION +LOCAL +DEFAULT +4 \.dynstr
.* SECTION +LOCAL +DEFAULT +5 \.rela\.dyn
.* SECTION +LOCAL +DEFAULT +6 \.rela\.plt
.* SECTION +LOCAL +DEFAULT +7 \.text
.* SECTION +LOCAL +DEFAULT +8 \.tdata
.* SECTION +LOCAL +DEFAULT +9 \.tbss
.* SECTION +LOCAL +DEFAULT +10 \.dynamic
.* SECTION +LOCAL +DEFAULT +11 \.opd
.* SECTION +LOCAL +DEFAULT +12 \.got
.* SECTION +LOCAL +DEFAULT +13 \.plt
PowerPC64 __tls_get_addr_desc This implements register saving and restoring in the __tls_get_addr call stub, so that when glibc supports the optimized tls call stub gcc can generate code that assumes only r0, r12 and of course r3 are changed on a __tls_get_addr call. When gcc expects __tls_get_addr calls to preserve registers the call will be to __tls_get_addr_desc, which will be translated by the linker to a call to __tls_get_addr_opt. bfd/ * elf64-ppc.h (struct ppc64_elf_params): Add no_tls_get_addr_regsave. * elf64-ppc.c (struct ppc_link_hash_table): Add tga_desc and tga_desc_fd. (is_tls_get_addr): Match tga_desc and tga_desc_df too. (STDU_R1_0R1, ADDI_R1_R1): Define. (tls_get_addr_prologue, tls_get_addr_epilogue): New functions. (ppc64_elf_tls_setup): Set up tga_desc and tga_desc_fd. Indirect tga_desc_fd to opt_fd, and tga_desc to opt. Set no_tls_get_addr_regsave. (branch_reloc_hash_match): Add hash3 and hash4. (ppc64_elf_tls_optimize): Handle tga_desc_fd and tga_desc too. (ppc64_elf_size_dynamic_sections): Likewise. (ppc64_elf_relocate_section): Likewise. (plt_stub_size, build_plt_stub): Likewise. Size regsave __tls_get_addr stub. (build_tls_get_addr_stub): Build regsave __tls_get_addr stub and eh_frame. (ppc_size_one_stub): Handle tga_desc_fd and tga_desc too. Size eh_frame for regsave __tls_get_addr. gas/ * config/tc-ppc.c (parse_tls_arg): Handle tls arg for __tls_get_addr_desc and __tls_get_addr_opt. ld/ * emultempl/ppc64elf.em (ppc64_opt, PARSE_AND_LIST_LONGOPTS), (PARSE_AND_LIST_OPTIONS, PARSE_AND_LIST_ARGS_CASES): Support --tls-get-addr-regsave and --no-tls-get-addr-regsave. (params): Init new field. * ld.texi (--tls-get-addr-regsave, --no-tls-get-addr-regsave): Document. * testsuite/ld-powerpc/tlsdesc.s, * testsuite/ld-powerpc/tlsdesc.d, * testsuite/ld-powerpc/tlsdesc.wf, * testsuite/ld-powerpc/tlsdesc2.d, * testsuite/ld-powerpc/tlsdesc2.wf, * testsuite/ld-powerpc/tlsexenors.d, * testsuite/ld-powerpc/tlsexenors.r, * testsuite/ld-powerpc/tlsexers.d, * testsuite/ld-powerpc/tlsexers.r, * testsuite/ld-powerpc/tlsexetocnors.d, * testsuite/ld-powerpc/tlsexetocrs.d, * testsuite/ld-powerpc/tlsexetocrs.r, * testsuite/ld-powerpc/tlsopt6.d, * testsuite/ld-powerpc/tlsopt6.wf: New. * testsuite/ld-powerpc/powerpc.exp: Run new tests.
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.* FILE +LOCAL +DEFAULT +ABS .*
.* NOTYPE +LOCAL +DEFAULT +ABS TLSMARK
.* TLS +LOCAL +DEFAULT +8 gd4
.* TLS +LOCAL +DEFAULT +8 ld4
.* TLS +LOCAL +DEFAULT +8 ld5
.* TLS +LOCAL +DEFAULT +8 ld6
.* TLS +LOCAL +DEFAULT +8 ie4
.* TLS +LOCAL +DEFAULT +8 le4
.* TLS +LOCAL +DEFAULT +8 le5
.* FILE +LOCAL +DEFAULT +ABS
.* OBJECT +LOCAL +DEFAULT +10 _DYNAMIC
.* NOTYPE +LOCAL +DEFAULT +7 __glink_PLTresolve
.* NOTYPE +LOCAL +DEFAULT +7 .*\.plt_call\.__tls_get_addr(|_opt)
.* GLOBAL +DEFAULT +UND gd
.* GLOBAL +DEFAULT +9 le0
.* GLOBAL +DEFAULT +9 ld0
.* GLOBAL +DEFAULT +9 le1
.* GLOBAL +DEFAULT +UND ld
.* FUNC +GLOBAL +DEFAULT +11 _start
.* TLS +GLOBAL +DEFAULT +9 ld2
.* TLS +GLOBAL +DEFAULT +9 ld1
.* NOTYPE +GLOBAL +DEFAULT +13 __bss_start
.* FUNC +GLOBAL +DEFAULT +UND __tls_get_addr_opt
.* NOTYPE +GLOBAL +DEFAULT +13 _edata
.* NOTYPE +GLOBAL +DEFAULT +13 _end
.* TLS +GLOBAL +DEFAULT +9 gd0
.* TLS +GLOBAL +DEFAULT +9 ie0