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Do no use .cfi_negate_ra_state within the assembly on Arm64
Compiling openzfs on aarch64 with gcc-8 and gcc-9 is failing currently. See issue #14965 for deeper context. On platforms without pointer authentication, .cfi_negate_ra_state can be defined to a no-op: https://sourceware.org/git/?p=binutils-gdb.git;a=blob;f=gdb/aarch64-tdep.c#l1413 I have tested this on Arm64 FreeBSD 13.2 and AlmaLinux-8. Reviewed-by: Andrew Turner <andrew.turner4@arm.com> Signed-off-by: Tino Reichardt <milky-zfs@mcmilk.de> Closes #14965 Closes #15784
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@ -32,6 +32,14 @@
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*/
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#if defined(__aarch64__)
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/* make gcc <= 9 happy */
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#if LD_VERSION >= 233010000
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#define CFI_NEGATE_RA_STATE .cfi_negate_ra_state
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#else
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#define CFI_NEGATE_RA_STATE
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#endif
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.text
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.section .note.gnu.property,"a",@note
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.p2align 3
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@ -51,7 +59,7 @@
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zfs_blake3_compress_in_place_sse2:
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.cfi_startproc
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hint #25
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.cfi_negate_ra_state
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CFI_NEGATE_RA_STATE
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sub sp, sp, #96
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stp x29, x30, [sp, #64]
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add x29, sp, #64
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@ -555,7 +563,7 @@ compress_pre:
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zfs_blake3_compress_xof_sse2:
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.cfi_startproc
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hint #25
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.cfi_negate_ra_state
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CFI_NEGATE_RA_STATE
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sub sp, sp, #96
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stp x29, x30, [sp, #64]
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add x29, sp, #64
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@ -608,7 +616,7 @@ zfs_blake3_compress_xof_sse2:
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zfs_blake3_hash_many_sse2:
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.cfi_startproc
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hint #25
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.cfi_negate_ra_state
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CFI_NEGATE_RA_STATE
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stp d15, d14, [sp, #-160]!
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stp d13, d12, [sp, #16]
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stp d11, d10, [sp, #32]
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@ -32,6 +32,14 @@
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*/
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#if defined(__aarch64__)
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/* make gcc <= 9 happy */
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#if LD_VERSION >= 233010000
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#define CFI_NEGATE_RA_STATE .cfi_negate_ra_state
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#else
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#define CFI_NEGATE_RA_STATE
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#endif
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.text
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.section .note.gnu.property,"a",@note
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.p2align 3
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@ -51,7 +59,7 @@
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zfs_blake3_compress_in_place_sse41:
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.cfi_startproc
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hint #25
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.cfi_negate_ra_state
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CFI_NEGATE_RA_STATE
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sub sp, sp, #96
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stp x29, x30, [sp, #64]
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add x29, sp, #64
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@ -565,7 +573,7 @@ compress_pre:
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zfs_blake3_compress_xof_sse41:
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.cfi_startproc
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hint #25
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.cfi_negate_ra_state
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CFI_NEGATE_RA_STATE
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sub sp, sp, #96
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stp x29, x30, [sp, #64]
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add x29, sp, #64
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