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authorWaldemar Brodkorb <wbx@uclibc-ng.org>2016-06-03 17:24:03 +0200
committerWaldemar Brodkorb <wbx@uclibc-ng.org>2016-06-03 17:24:03 +0200
commitc0f118c8869b9095612dfcc4a279e957b67a8efa (patch)
tree67ae192b40c6e52c6b32de596f89c127b69fa22d /libc/sysdeps/linux/powerpc/sysdep.h
parent493d0cc28b0d0fa1dc571ffc876b554376ccdd47 (diff)
ppc: cleanup unsupported ppc64 code
Remove ppc64 bits and bytes, as we don't support ppc64 and it makes the code more readable without the dead code.
Diffstat (limited to 'libc/sysdeps/linux/powerpc/sysdep.h')
-rw-r--r--libc/sysdeps/linux/powerpc/sysdep.h104
1 files changed, 93 insertions, 11 deletions
diff --git a/libc/sysdeps/linux/powerpc/sysdep.h b/libc/sysdeps/linux/powerpc/sysdep.h
index 9a57062dc..c512c5ab5 100644
--- a/libc/sysdeps/linux/powerpc/sysdep.h
+++ b/libc/sysdeps/linux/powerpc/sysdep.h
@@ -16,6 +16,7 @@
<http://www.gnu.org/licenses/>. */
#include <common/sysdep.h>
+#include <sys/syscall.h>
/*
* Powerpc Feature masks for the Aux Vector Hardware Capabilities (AT_HWCAP).
@@ -169,9 +170,6 @@
#define VRSAVE 256
-
-#ifdef __ELF__
-
/* This seems to always be the case on PPC. */
#define ALIGNARG(log2) log2
/* For ELF we need the `.type' directive to make shared libs work right. */
@@ -182,14 +180,98 @@
#undef NO_UNDERSCORES
#define NO_UNDERSCORES
-#endif /* __ELF__ */
+#define ENTRY(name) \
+ .globl C_SYMBOL_NAME(name); \
+ ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function) \
+ .align ALIGNARG(2); \
+ C_LABEL(name) \
+ cfi_startproc; \
-# include <sys/syscall.h>
-# if defined(__powerpc64__)
-# include "powerpc64/sysdep.h"
-# else
-# include "powerpc32/sysdep.h"
-# endif
+#define EALIGN_W_0 /* No words to insert. */
+#define EALIGN_W_1 nop
+#define EALIGN_W_2 nop;nop
+#define EALIGN_W_3 nop;nop;nop
+#define EALIGN_W_4 EALIGN_W_3;nop
+#define EALIGN_W_5 EALIGN_W_4;nop
+#define EALIGN_W_6 EALIGN_W_5;nop
+#define EALIGN_W_7 EALIGN_W_6;nop
-#endif /* __ASSEMBLER__ */
+#define EALIGN(name, alignt, words) \
+ .globl C_SYMBOL_NAME(name); \
+ ASM_TYPE_DIRECTIVE (C_SYMBOL_NAME(name),@function) \
+ .align ALIGNARG(alignt); \
+ EALIGN_W_##words; \
+ C_LABEL(name) \
+ cfi_startproc;
+
+#undef END
+#define END(name) \
+ cfi_endproc; \
+ ASM_SIZE_DIRECTIVE(name)
+
+#define DO_CALL(syscall) \
+ li 0,syscall; \
+ sc
+
+#undef JUMPTARGET
+#ifdef PIC
+# define JUMPTARGET(name) name##@plt
+#else
+# define JUMPTARGET(name) name
+#endif
+
+#if defined SHARED && defined DO_VERSIONING && defined PIC \
+ && !defined NO_HIDDEN
+# undef HIDDEN_JUMPTARGET
+# define HIDDEN_JUMPTARGET(name) __GI_##name##@local
+#endif
+
+#define PSEUDO(name, syscall_name, args) \
+ .section ".text"; \
+ ENTRY (name) \
+ DO_CALL (SYS_ify (syscall_name));
+
+#define PSEUDO_RET \
+ bnslr+; \
+ b __syscall_error@local
+#define ret PSEUDO_RET
+
+#undef PSEUDO_END
+#define PSEUDO_END(name) \
+ END (name)
+#define PSEUDO_NOERRNO(name, syscall_name, args) \
+ .section ".text"; \
+ ENTRY (name) \
+ DO_CALL (SYS_ify (syscall_name));
+
+#define PSEUDO_RET_NOERRNO \
+ blr
+#define ret_NOERRNO PSEUDO_RET_NOERRNO
+
+#undef PSEUDO_END_NOERRNO
+#define PSEUDO_END_NOERRNO(name) \
+ END (name)
+
+#define PSEUDO_ERRVAL(name, syscall_name, args) \
+ .section ".text"; \
+ ENTRY (name) \
+ DO_CALL (SYS_ify (syscall_name));
+
+#define PSEUDO_RET_ERRVAL \
+ blr
+#undef ret_ERRVAL
+#define ret_ERRVAL PSEUDO_RET_ERRVAL
+
+#undef PSEUDO_END_ERRVAL
+#define PSEUDO_END_ERRVAL(name) \
+ END (name)
+
+/* Local labels stripped out by the linker. */
+#undef L
+#define L(x) .L##x
+
+/* Label in text section. */
+#define C_TEXT(name) name
+
+#endif /* __ASSEMBLER__ */