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| author | Richard Henderson <rth@redhat.com> | 2014-05-20 16:34:59 -0400 |
|---|---|---|
| committer | Richard Henderson <rth@redhat.com> | 2014-05-25 15:10:19 -0400 |
| commit | 8125415d5922fe4ee026ff62cb05ec48b5f0df7b (patch) | |
| tree | 7d1eaca920570118c0c4f00d252b1d715bbd235a | |
| parent | c03d528f17586e307292d38dcc1bff7ce1d8d766 (diff) | |
| download | glibc-8125415d5922fe4ee026ff62cb05ec48b5f0df7b.tar.gz glibc-8125415d5922fe4ee026ff62cb05ec48b5f0df7b.tar.xz glibc-8125415d5922fe4ee026ff62cb05ec48b5f0df7b.zip | |
aarch64: Use tpidr_el0 rather than __errno_location in librt
| -rw-r--r-- | sysdeps/unix/sysv/linux/aarch64/nptl/localplt.data | 1 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/aarch64/sysdep.h | 19 |
2 files changed, 5 insertions, 15 deletions
diff --git a/sysdeps/unix/sysv/linux/aarch64/nptl/localplt.data b/sysdeps/unix/sysv/linux/aarch64/nptl/localplt.data index 84af95dc36..dfca9a7ac7 100644 --- a/sysdeps/unix/sysv/linux/aarch64/nptl/localplt.data +++ b/sysdeps/unix/sysv/linux/aarch64/nptl/localplt.data @@ -12,4 +12,3 @@ libm.so: matherr libm.so: __signbit libm.so: __signbitf libm.so: __signbitl -libpthread.so: __errno_location diff --git a/sysdeps/unix/sysv/linux/aarch64/sysdep.h b/sysdeps/unix/sysv/linux/aarch64/sysdep.h index 0e91f83c88..8cce986b00 100644 --- a/sysdeps/unix/sysv/linux/aarch64/sysdep.h +++ b/sysdeps/unix/sysv/linux/aarch64/sysdep.h @@ -123,21 +123,12 @@ # define SYSCALL_ERROR_HANDLER \ .Lsyscall_error: \ - stp x29, x30, [sp, -32]!; \ - cfi_adjust_cfa_offset (32); \ - cfi_rel_offset (x29, 0); \ - cfi_rel_offset (x30, 8); \ - add x29, sp, 0; \ - str x19, [sp,16]; \ - neg x19, x0; \ - bl C_SYMBOL_NAME(__errno_location); \ - str w19, [x0]; \ + adrp x1, :gottprel:errno; \ + neg w2, w0; \ + ldr x1, [x1, :gottprel_lo12:errno]; \ + mrs x3, tpidr_el0; \ mov x0, -1; \ - ldr x19, [sp,16]; \ - ldp x29, x30, [sp], 32; \ - cfi_adjust_cfa_offset (-32); \ - cfi_restore (x29); \ - cfi_restore (x30); \ + str w2, [x1, x3]; \ RET; # endif # else |