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5c98a14e1e
64-bit -mcmodel=large -fpic TLS GD and LD sequences. (elf_x86_64_relocate_section): Handle -mcmodel=large -fpic TLS GD and LD sequences in GD->LE, GD->IE and LD->LE transitions. ld/testsuite/ * ld-x86-64/x86-64.exp: Add tlsld3, tlsgd7 and tlsgd8 tests. * ld-x86-64/tlspic1.s: Add -mcmodel=large -fpic TLS GD and LD sequences. * ld-x86-64/tlspic.dd: Adjusted. * ld-x86-64/tlspic.rd: Adjusted. * ld-x86-64/tlspic-nacl.rd: Adjusted. * ld-x86-64/tlsld3.dd: New test. * ld-x86-64/tlsld3.s: New file. * ld-x86-64/tlsgd7.dd: New test. * ld-x86-64/tlsgd7.s: New file. * ld-x86-64/tlsgd8.dd: New test. * ld-x86-64/tlsgd8.s: New file.
291 lines
5.8 KiB
ArmAsm
291 lines
5.8 KiB
ArmAsm
/* Force .data aligned to 4K, so .got very likely gets at 0x102190
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(0x60 bytes .tdata and 0x130 bytes .dynamic) */
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.data
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.balign 4096
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.section ".tdata", "awT", @progbits
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.globl sg1, sg2, sg3, sg4, sg5, sg6, sg7, sg8
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.globl sh1, sh2, sh3, sh4, sh5, sh6, sh7, sh8
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.hidden sh1, sh2, sh3, sh4, sh5, sh6, sh7, sh8
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sg1: .long 17
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sg2: .long 18
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sg3: .long 19
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sg4: .long 20
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sg5: .long 21
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sg6: .long 22
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sg7: .long 23
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sg8: .long 24
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sl1: .long 65
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sl2: .long 66
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sl3: .long 67
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sl4: .long 68
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sl5: .long 69
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sl6: .long 70
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sl7: .long 71
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sl8: .long 72
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sh1: .long 257
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sh2: .long 258
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sh3: .long 259
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sh4: .long 260
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sh5: .long 261
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sh6: .long 262
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sh7: .long 263
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sh8: .long 264
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/* Force .text aligned to 4K, so it very likely gets at 0x1000. */
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.text
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.balign 4096
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.globl fn1
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.type fn1,@function
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fn1:
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pushq %rbp
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movq %rsp, %rbp
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nop;nop;nop;nop
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/* GD */
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.byte 0x66
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leaq sg1@tlsgd(%rip), %rdi
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.word 0x6666
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rex64
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call __tls_get_addr@plt
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nop;nop;nop;nop
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/* GD -> IE because variable is referenced through IE too */
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.byte 0x66
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leaq sg2@tlsgd(%rip), %rdi
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.word 0x6666
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rex64
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call __tls_get_addr@plt
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nop;nop;nop;nop
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/* GD against local variable */
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.byte 0x66
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leaq sl1@tlsgd(%rip), %rdi
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.word 0x6666
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rex64
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call __tls_get_addr@plt
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nop;nop;nop;nop
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/* GD -> IE against local variable referenced through IE too */
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.byte 0x66
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leaq sl2@tlsgd(%rip), %rdi
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.word 0x6666
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rex64
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call __tls_get_addr@plt
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nop;nop;nop;nop
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/* GD against hidden and local variable */
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.byte 0x66
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leaq sh1@tlsgd(%rip), %rdi
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.word 0x6666
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rex64
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call __tls_get_addr@plt
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nop;nop;nop;nop
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/* GD -> IE against hidden and local variable referenced through
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IE too */
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.byte 0x66
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leaq sh2@tlsgd(%rip), %rdi
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.word 0x6666
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rex64
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call __tls_get_addr@plt
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nop;nop;nop;nop
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/* GD against hidden but not local variable */
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.byte 0x66
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leaq sH1@tlsgd(%rip), %rdi
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.word 0x6666
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rex64
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call __tls_get_addr@plt
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nop;nop;nop;nop
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/* GD -> IE against hidden but not local variable referenced through
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IE too */
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.byte 0x66
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leaq sH2@tlsgd(%rip), %rdi
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.word 0x6666
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rex64
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call __tls_get_addr@plt
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nop;nop;nop;nop
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/* LD */
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leaq sl1@tlsld(%rip), %rdi
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call __tls_get_addr@plt
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nop;nop
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leaq sl1@dtpoff(%rax), %rdx
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nop;nop
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leaq 2+sl2@dtpoff(%rax), %r9
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nop;nop;nop;nop
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/* LD against hidden and local variables */
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leaq sh1@tlsld(%rip), %rdi
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call __tls_get_addr@plt
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nop;nop
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leaq sh1@dtpoff(%rax), %rdx
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nop;nop
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leaq sh2@dtpoff+3(%rax), %rcx
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nop;nop;nop;nop
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/* LD against hidden but not local variables */
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leaq sH1@tlsld(%rip), %rdi
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call __tls_get_addr@plt
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nop;nop
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leaq sH1@dtpoff(%rax), %r12
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nop;nop
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leaq sH2@dtpoff+1(%rax), %rcx
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nop;nop
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/* IE against global var */
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movq %fs:0, %rcx
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nop;nop
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addq sg2@gottpoff(%rip), %rcx
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nop;nop;nop;nop
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/* IE against local var */
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movq %fs:0, %r14
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nop;nop
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addq sl2@gottpoff(%rip), %r14
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nop;nop;nop;nop
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/* IE against hidden and local var */
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movq %fs:0, %rcx
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nop;nop
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addq sh2@gottpoff(%rip), %rcx
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nop;nop;nop;nop
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/* IE against hidden but not local var */
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movq %fs:0, %rcx
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nop;nop
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addq sH2@gottpoff(%rip), %rcx
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nop;nop;nop;nop
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/* Direct access through %fs */
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/* IE against global var */
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movq sg5@gottpoff(%rip), %rcx
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nop;nop
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movq %fs:(%rcx), %rdx
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nop;nop;nop;nop
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/* IE against local var */
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movq sl5@gottpoff(%rip), %r10
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nop;nop
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movq %fs:(%r10), %r12
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nop;nop;nop;nop
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/* IE against hidden and local var */
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movq sh5@gottpoff(%rip), %rdx
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nop;nop
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movq %fs:(%rdx), %rdx
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nop;nop;nop;nop
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/* IE against hidden but not local var */
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movq sH5@gottpoff(%rip), %rcx
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nop;nop
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movq %fs:(%rcx), %rdx
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nop;nop;nop;nop
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1: movabsq $_GLOBAL_OFFSET_TABLE_-1b, %r11
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pushq %rbx
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pushq %rbx
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leaq 1b(%rip), %rbx
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addq %r11, %rbx
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nop;nop;nop;nop
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/* -mcmodel=large sequences */
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/* -mcmodel=large GD */
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leaq sg1@tlsgd(%rip), %rdi
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movabsq $__tls_get_addr@pltoff, %rax
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addq %rbx, %rax
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call *%rax
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nop;nop;nop;nop
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/* -mcmodel=large GD -> IE because variable is referenced through IE too */
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leaq sg2@tlsgd(%rip), %rdi
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movabsq $__tls_get_addr@pltoff, %rax
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addq %rbx, %rax
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call *%rax
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nop;nop;nop;nop
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/* -mcmodel=large GD against local variable */
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leaq sl1@tlsgd(%rip), %rdi
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movabsq $__tls_get_addr@pltoff, %rax
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addq %rbx, %rax
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call *%rax
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nop;nop;nop;nop
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/* -mcmodel=large GD -> IE against local variable referenced through IE too */
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leaq sl2@tlsgd(%rip), %rdi
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movabsq $__tls_get_addr@pltoff, %rax
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addq %rbx, %rax
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call *%rax
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nop;nop;nop;nop
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/* -mcmodel=large GD against hidden and local variable */
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leaq sh1@tlsgd(%rip), %rdi
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movabsq $__tls_get_addr@pltoff, %rax
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addq %rbx, %rax
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call *%rax
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nop;nop;nop;nop
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/* -mcmodel=large GD -> IE against hidden and local variable referenced through
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IE too */
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leaq sh2@tlsgd(%rip), %rdi
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movabsq $__tls_get_addr@pltoff, %rax
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addq %rbx, %rax
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call *%rax
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nop;nop;nop;nop
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/* -mcmodel=large GD against hidden but not local variable */
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leaq sH1@tlsgd(%rip), %rdi
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movabsq $__tls_get_addr@pltoff, %rax
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addq %rbx, %rax
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call *%rax
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nop;nop;nop;nop
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/* -mcmodel=large GD -> IE against hidden but not local variable referenced through
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IE too */
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leaq sH2@tlsgd(%rip), %rdi
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movabsq $__tls_get_addr@pltoff, %rax
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addq %rbx, %rax
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call *%rax
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nop;nop;nop;nop
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/* -mcmodel=large LD */
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leaq sl1@tlsld(%rip), %rdi
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movabsq $__tls_get_addr@pltoff, %rax
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addq %rbx, %rax
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call *%rax
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nop;nop
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leaq sl1@dtpoff(%rax), %rdx
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nop;nop
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leaq 2+sl2@dtpoff(%rax), %r9
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nop;nop;nop;nop
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/* -mcmodel=large LD against hidden and local variables */
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leaq sh1@tlsld(%rip), %rdi
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movabsq $__tls_get_addr@pltoff, %rax
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addq %rbx, %rax
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call *%rax
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nop;nop
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leaq sh1@dtpoff(%rax), %rdx
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nop;nop
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leaq sh2@dtpoff+3(%rax), %rcx
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nop;nop;nop;nop
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/* -mcmodel=large LD against hidden but not local variables */
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leaq sH1@tlsld(%rip), %rdi
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movabsq $__tls_get_addr@pltoff, %rax
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addq %rbx, %rax
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call *%rax
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nop;nop
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leaq sH1@dtpoff(%rax), %r12
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nop;nop
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leaq sH2@dtpoff+1(%rax), %rcx
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nop;nop;nop;nop
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popq %rbx
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popq %rbx
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leave
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ret
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