9af85e62a6
- glibc-bench-compare.patch: Merged upstream - glibc-rh757881.patch: Fixed differently upstream - glibc-revert-arena-threshold-fix.patch: Additional fixes on top of this - glibc-rh841787.patch: Fixed differently upstream - Set MODULE_NAME=librt for rtkaio - Fix up glibc-rh741105.patch to continue to work with latest master
34 lines
1.0 KiB
Diff
34 lines
1.0 KiB
Diff
diff --git a/sysdeps/aarch64/dl-tlsdesc.S b/sysdeps/aarch64/dl-tlsdesc.S
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index ded5471..7d28496 100644
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--- a/sysdeps/aarch64/dl-tlsdesc.S
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+++ b/sysdeps/aarch64/dl-tlsdesc.S
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@@ -140,7 +140,7 @@ _dl_tlsdesc_undefweak:
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cfi_startproc
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.align 2
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_dl_tlsdesc_dynamic:
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-# define NSAVEXREGPAIRS 2
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+# define NSAVEXREGPAIRS 3
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stp x29, x30, [sp,#-(32+16*NSAVEXREGPAIRS)]!
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cfi_adjust_cfa_offset (32+16*NSAVEXREGPAIRS)
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mov x29, sp
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@@ -151,6 +151,10 @@ _dl_tlsdesc_dynamic:
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stp x1, x2, [sp, #32+16*0]
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stp x3, x4, [sp, #32+16*1]
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+ /* Work around GCC rescheduling compares across tlsdesc calls. */
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+ mrs x30, nzcv
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+ stp xzr, x30, [sp, #32+16*2]
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+
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mrs x4, tpidr_el0
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/* The ldar here happens after the load from [x0] at the call site
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(that is generated by the compiler as part of the TLS access ABI),
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@@ -169,6 +173,8 @@ _dl_tlsdesc_dynamic:
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1:
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ldp x1, x2, [sp, #32+16*0]
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ldp x3, x4, [sp, #32+16*1]
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+ ldp xzr, x30, [sp, #32+16*2]
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+ msr nzcv, x30
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ldp x29, x30, [sp], #(32+16*NSAVEXREGPAIRS)
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cfi_adjust_cfa_offset (-32-16*NSAVEXREGPAIRS)
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