diff options
Diffstat (limited to 'sysdeps/unix/alpha/sysdep.h')
| -rw-r--r-- | sysdeps/unix/alpha/sysdep.h | 19 |
1 files changed, 17 insertions, 2 deletions
diff --git a/sysdeps/unix/alpha/sysdep.h b/sysdeps/unix/alpha/sysdep.h index cb04cec2af..6e55061515 100644 --- a/sysdeps/unix/alpha/sysdep.h +++ b/sysdeps/unix/alpha/sysdep.h @@ -119,6 +119,21 @@ $syscall_error: \ END(sym) #endif +#define PSEUDO_NOERRNO(name, syscall_name, args) \ + .globl name; \ + .align 4; \ + .ent name,0; \ +__LABEL(name) \ + PSEUDO_PROLOGUE; \ + PSEUDO_PREPARE_ARGS \ + lda v0, SYS_ify(syscall_name); \ + call_pal PAL_callsys; + +#undef PSEUDO_END_NOERRNO +#define PSEUDO_END_NOERRNO(sym) END(sym) + +#define ret_NOERRNO ret + #define r0 v0 #define r1 a4 @@ -167,8 +182,8 @@ $syscall_error: \ /* If TLS is in use, we have a conflict between the PAL_rduniq primitive, as modeled within GCC, and explicit use of the R0 register. If we use the register via the asm, the scheduler may place the PAL_rduniq insn - before we've copied the data from R0 into _sc_ret. If this happens - we'll get a reload abort, since R0 is live at the same time it is + before we've copied the data from R0 into _sc_ret. If this happens + we'll get a reload abort, since R0 is live at the same time it is needed for the PAL_rduniq. Solve this by using the "v" constraint instead of an asm for the syscall |