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authorRoland McGrath <roland@gnu.org>2002-11-08 02:20:41 +0000
committerRoland McGrath <roland@gnu.org>2002-11-08 02:20:41 +0000
commitc6481412ff19d5c551aba9330082a19a4a93260f (patch)
tree335acb22df9e06295318ebe74d3dc8d6dac03968 /sysdeps/unix/alpha/sysdep.h
parentdfe4c900cb1d03533702c453c3a9abe6d41e545d (diff)
* configure.in (ASM_ALPHA_NG_SYMBOL_PREFIX): Remove test.
* configure: Regenerated. * config.h.in (ASM_ALPHA_NG_SYMBOL_PREFIX): Remove #undef. * sysdeps/alpha/dl-machine.h (TRAMPOLINE_TEMPLATE): Use !samegp. (RTLD_START): Likewise. Access _dl_skip_args, _rtld_local, and _dl_fini via gp-relative relocations. * sysdeps/alpha/fpu/e_sqrt.c: Use !samegp. * elf/tls-macros.h: Add alpha versions. * sysdeps/alpha/dl-machine.h (elf_machine_rela): Handle TLS relocs. * sysdeps/unix/alpha/sysdep.S: Support USE___THREAD. * sysdeps/unix/alpha/sysdep.h: Likewise. Add SYSCALL_ERROR_HANDLER. * sysdeps/unix/sysv/linux/alpha/brk.S: Use it. * sysdeps/unix/sysv/linux/alpha/clone.S: Likewise. * sysdeps/unix/sysv/linux/alpha/getitimer.S: Likewise. * sysdeps/unix/sysv/linux/alpha/getrusage.S: Likewise. * sysdeps/unix/sysv/linux/alpha/gettimeofday.S: Likewise. * sysdeps/unix/sysv/linux/alpha/ieee_get_fp_control.S: Likewise. * sysdeps/unix/sysv/linux/alpha/ieee_set_fp_control.S: Likewise. * sysdeps/unix/sysv/linux/alpha/rt_sigaction.S: Likewise. * sysdeps/unix/sysv/linux/alpha/select.S: Likewise. * sysdeps/unix/sysv/linux/alpha/setitimer.S: Likewise. * sysdeps/unix/sysv/linux/alpha/settimeofday.S: Likewise. * sysdeps/unix/sysv/linux/alpha/sigsuspend.S: Likewise. * sysdeps/unix/sysv/linux/alpha/syscall.S: Likewise. * sysdeps/unix/sysv/linux/alpha/utimes.S: Likewise. * sysdeps/unix/sysv/linux/alpha/wait4.S: Likewise. * sysdeps/unix/sysv/linux/alpha/sysdep.h: Re-include protect. Kill argument registers across the inline syscall. * sysdeps/unix/sysv/linux/alpha/clone.S: Add user_tid and tls args. * linuxthreads/sysdeps/alpha/tls.h: New file. * sysdeps/alpha/dl-tls.h: New file.
Diffstat (limited to 'sysdeps/unix/alpha/sysdep.h')
-rw-r--r--sysdeps/unix/alpha/sysdep.h100
1 files changed, 59 insertions, 41 deletions
diff --git a/sysdeps/unix/alpha/sysdep.h b/sysdeps/unix/alpha/sysdep.h
index 46b5214987..f9aba3ffa2 100644
--- a/sysdeps/unix/alpha/sysdep.h
+++ b/sysdeps/unix/alpha/sysdep.h
@@ -27,6 +27,13 @@
# include <regdef.h>
#endif
+#include <tls.h> /* Defines USE___THREAD. */
+
+#ifdef IS_IN_rtld
+# include <dl-sysdep.h> /* Defines RTLD_PRIVATE_ERRNO. */
+#endif
+
+
#ifdef __STDC__
#define __LABEL(x) x##:
#else
@@ -55,54 +62,65 @@
label of that number between those two macros! */
#ifdef PROF
-#define PSEUDO(name, syscall_name, args) \
- .globl name; \
- .align 3; \
- .ent name,0; \
+# define PSEUDO_PROLOGUE \
+ .frame sp, 0, ra; \
+ ldgp gp,0(pv); \
+ .set noat; \
+ lda AT,_mcount; \
+ jsr AT,(AT),_mcount; \
+ .set at; \
+ .prologue 1
+# define PSEUDO_LOADGP
+#else
+# define PSEUDO_PROLOGUE \
+ .frame sp, 0, ra; \
+ .prologue 0
+# define PSEUDO_LOADGP \
+ br gp, 2f; \
+2: ldgp gp, 0(gp)
+#endif /* PROF */
+
+#if RTLD_PRIVATE_ERRNO
+# define SYSCALL_ERROR_HANDLER \
+ stl v0, errno(gp) !gprel; \
+ lda v0, -1; \
+ ret
+#else
+# define SYSCALL_ERROR_HANDLER \
+ jmp $31, __syscall_error
+#endif /* RTLD_PRIVATE_ERRNO */
+
+#if defined(PIC) && !RTLD_PRIVATE_ERRNO
+# define PSEUDO(name, syscall_name, args) \
+ .globl name; \
+ .align 4; \
+ .ent name,0; \
__LABEL(name) \
- .frame sp, 0, ra; \
- ldgp gp,0(pv); \
- .set noat; \
- lda AT,_mcount; \
- jsr AT,(AT),_mcount; \
- .set at; \
- .prologue 1; \
- ldiq v0, SYS_ify(syscall_name); \
- .set noat; \
- call_pal PAL_callsys; \
- .set at; \
- bne a3, 1996f; \
+ PSEUDO_PROLOGUE; \
+ lda v0, SYS_ify(syscall_name); \
+ call_pal PAL_callsys; \
+ bne a3, __syscall_error !samegp; \
3:
+# undef PSEUDO_END
+# define PSEUDO_END(sym) END(sym)
#else
-#define PSEUDO(name, syscall_name, args) \
- .globl name; \
- .align 3; \
- .ent name,0; \
+# define PSEUDO(name, syscall_name, args) \
+ .globl name; \
+ .align 4; \
+ .ent name,0; \
__LABEL(name) \
- .frame sp, 0, ra \
- .prologue 0; \
- ldiq v0, SYS_ify(syscall_name); \
- .set noat; \
- call_pal PAL_callsys; \
- .set at; \
- bne a3, 1996f; \
+ lda v0, SYS_ify(syscall_name); \
+ call_pal PAL_callsys; \
+ bne a3, 1996f; \
3:
-#endif
-#undef PSEUDO_END
-#ifdef PROF
-#define PSEUDO_END(sym) \
+# undef PSEUDO_END
+# define PSEUDO_END(sym) \
1996: \
- jmp zero, __syscall_error; \
- END(sym)
-#else
-#define PSEUDO_END(sym) \
-1996: \
- br gp, 2f; \
-2: ldgp gp, 0(gp); \
- jmp zero, __syscall_error; \
- END(sym)
-#endif
+ PSEUDO_LOADGP; \
+ SYSCALL_ERROR_HANDLER; \
+ END(sym)
+#endif /* PIC && !RTLD_PRIVATE_ERRNO */
#define r0 v0
#define r1 a4