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8219d92987
* rename is_compiler_rt_or_libc to skip_linker_dependencies and set it to `true` for all sub-Compilations. I believe this resolves the deadlock we were experiencing on Drone CI and on some users' computers. I will remove the CI workaround in a follow-up commit. * enabling TSAN automatically causes the Compilation to link against libc++ even if not requested, because TSAN depends on libc++. * add -fno-rtti flags where appropriate when building TSAN objects. Thanks Firefox317 for pointing this out. * TSAN support: resolve all the undefined symbols. We are still seeing a dependency on __gcc_personality_v0 but will resolve this one in a follow-up commit. * static libs do not try to build libc++ or libc++abi.
215 lines
3.7 KiB
ArmAsm
215 lines
3.7 KiB
ArmAsm
.section .text
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.set noreorder
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.hidden __tsan_setjmp
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.comm _ZN14__interception11real_setjmpE,8,8
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.globl setjmp
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.type setjmp, @function
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setjmp:
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// save env parameters
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daddiu $sp,$sp,-40
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sd $s0,32($sp)
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sd $ra,24($sp)
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sd $fp,16($sp)
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sd $gp,8($sp)
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// calculate and save pointer to GOT
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lui $gp,%hi(%neg(%gp_rel(setjmp)))
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daddu $gp,$gp,$t9
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daddiu $gp,$gp,%lo(%neg(%gp_rel(setjmp)))
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move $s0,$gp
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// save jmp_buf
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sd $a0,0($sp)
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// obtain $sp
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dadd $a0,$zero,$sp
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// call tsan interceptor
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jal __tsan_setjmp
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daddiu $a1,$a0,40
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// restore jmp_buf
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ld $a0,0($sp)
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// restore gp
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move $gp,$s0
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// load pointer of libc setjmp to t9
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dla $t9,(_ZN14__interception11real_setjmpE)
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// restore env parameters
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ld $gp,8($sp)
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ld $fp,16($sp)
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ld $ra,24($sp)
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ld $s0,32($sp)
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daddiu $sp,$sp,40
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// tail jump to libc setjmp
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ld $t9,0($t9)
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jr $t9
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nop
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.size setjmp, .-setjmp
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.hidden __tsan_setjmp
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.globl _setjmp
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.comm _ZN14__interception12real__setjmpE,8,8
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.type _setjmp, @function
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_setjmp:
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// Save env parameters
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daddiu $sp,$sp,-40
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sd $s0,32($sp)
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sd $ra,24($sp)
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sd $fp,16($sp)
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sd $gp,8($sp)
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// calculate and save pointer to GOT
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lui $gp,%hi(%neg(%gp_rel(_setjmp)))
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daddu $gp,$gp,$t9
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daddiu $gp,$gp,%lo(%neg(%gp_rel(_setjmp)))
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move $s0,$gp
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// save jmp_buf
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sd $a0,0($sp)
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// obtain $sp
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dadd $a0,$zero,$sp
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// call tsan interceptor
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jal __tsan_setjmp
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daddiu $a1,$a0,40
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// restore jmp_buf
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ld $a0,0($sp)
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// restore gp
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move $gp,$s0
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// load pointer of libc _setjmp to t9
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dla $t9,(_ZN14__interception12real__setjmpE)
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// restore env parameters
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ld $gp,8($sp)
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ld $fp,16($sp)
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ld $ra,24($sp)
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ld $s0,32($sp)
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daddiu $sp,$sp,40
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// tail jump to libc _setjmp
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ld $t9,0($t9)
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jr $t9
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nop
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.size _setjmp, .-_setjmp
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.hidden __tsan_setjmp
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.globl sigsetjmp
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.comm _ZN14__interception14real_sigsetjmpE,8,8
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.type sigsetjmp, @function
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sigsetjmp:
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// Save env parameters
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daddiu $sp,$sp,-48
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sd $s0,40($sp)
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sd $ra,32($sp)
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sd $fp,24($sp)
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sd $gp,16($sp)
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// calculate and save pointer to GOT
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lui $gp,%hi(%neg(%gp_rel(sigsetjmp)))
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daddu $gp,$gp,$t9
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daddiu $gp,$gp,%lo(%neg(%gp_rel(sigsetjmp)))
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move $s0,$gp
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// save jmp_buf and savesig
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sd $a0,0($sp)
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sd $a1,8($sp)
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// obtain $sp
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dadd $a0,$zero,$sp
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// call tsan interceptor
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jal __tsan_setjmp
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daddiu $a1,$a0,48
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// restore jmp_buf and savesig
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ld $a0,0($sp)
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ld $a1,8($sp)
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// restore gp
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move $gp,$s0
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// load pointer of libc sigsetjmp to t9
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dla $t9,(_ZN14__interception14real_sigsetjmpE)
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// restore env parameters
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ld $gp,16($sp)
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ld $fp,24($sp)
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ld $ra,32($sp)
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ld $s0,40($sp)
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daddiu $sp,$sp,48
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// tail jump to libc sigsetjmp
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ld $t9,0($t9)
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jr $t9
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nop
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.size sigsetjmp, .-sigsetjmp
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.hidden __tsan_setjmp
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.comm _ZN14__interception16real___sigsetjmpE,8,8
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.globl __sigsetjmp
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.type __sigsetjmp, @function
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__sigsetjmp:
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// Save env parameters
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daddiu $sp,$sp,-48
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sd $s0,40($sp)
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sd $ra,32($sp)
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sd $fp,24($sp)
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sd $gp,16($sp)
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// calculate and save pointer to GOT
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lui $gp,%hi(%neg(%gp_rel(__sigsetjmp)))
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daddu $gp,$gp,$t9
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daddiu $gp,$gp,%lo(%neg(%gp_rel(__sigsetjmp)))
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move $s0,$gp
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// save jmp_buf and savesig
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sd $a0,0($sp)
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sd $a1,8($sp)
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// obtain $sp
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dadd $a0,$zero,$sp
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// call tsan interceptor
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jal __tsan_setjmp
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daddiu $a1,$a0,48
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// restore jmp_buf and savesig
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ld $a0,0($sp)
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ld $a1,8($sp)
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// restore gp
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move $gp,$s0
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// load pointer to libc __sigsetjmp in t9
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dla $t9,(_ZN14__interception16real___sigsetjmpE)
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// restore env parameters
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ld $gp,16($sp)
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ld $fp,24($sp)
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ld $ra,32($sp)
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ld $s0,40($sp)
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daddiu $sp,$sp,48
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// tail jump to libc __sigsetjmp
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ld $t9,0($t9)
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jr $t9
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nop
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.size __sigsetjmp, .-__sigsetjmp
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