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-rw-r--r--sysdeps/ia64/_mcount.S26
-rw-r--r--sysdeps/ia64/elf/start.S22
-rw-r--r--sysdeps/ia64/sysdep.h28
3 files changed, 51 insertions, 25 deletions
diff --git a/sysdeps/ia64/_mcount.S b/sysdeps/ia64/_mcount.S
index 9f27561311..e9a627aa7c 100644
--- a/sysdeps/ia64/_mcount.S
+++ b/sysdeps/ia64/_mcount.S
@@ -48,13 +48,11 @@
#undef ret
- .psr abi64
- .psr lsb
- .lsb
-
LEAF(_mcount)
- alloc loc0 = ar.pfs, 4, 4, 3, 0
- mov loc1 = rp
+ .prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(4)
+ alloc loc1 = ar.pfs, 4, 4, 3, 0
+ mov loc0 = rp
+ .body
mov loc2 = r8 // gcc uses r8 to pass pointer to return structure
;;
mov loc3 = r15 // gcc uses r15 to pass the static link to nested functions
@@ -67,21 +65,27 @@ LEAF(_mcount)
.mii
mov gp = in1
mov r2 = ip
- mov ar.pfs = loc0
+ mov ar.pfs = loc1
}
;;
- adds r2 = 1f - .here, r2
- mov b7 = loc1
+ adds r2 = _mcount_ret_helper - .here, r2
+ mov b7 = loc0
mov rp = in2
;;
mov r8 = loc2
mov r15 = loc3
mov b6 = r2
br.ret.sptk.few b6
+END(_mcount)
-1: alloc r2 = ar.pfs, 0, 0, 9, 0
+LOCAL_LEAF(_mcount_ret_helper)
+ .prologue
+ .altrp b7
+ .save ar.pfs, r40
+ .body
+ alloc r2 = ar.pfs, 0, 0, 9, 0
mov ar.pfs = r40
br b7
-END(_mcount)
+END(_mcount_ret_helper)
weak_alias (_mcount, mcount)
diff --git a/sysdeps/ia64/elf/start.S b/sysdeps/ia64/elf/start.S
index c09d070e9b..5ba6196e3c 100644
--- a/sysdeps/ia64/elf/start.S
+++ b/sysdeps/ia64/elf/start.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 1999, 2000 Free Software Foundation, Inc.
+/* Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Written by Jes Sorensen, <Jes.Sorensen@cern.ch>, April 1999.
@@ -31,14 +31,8 @@
* out6: stack_end
*/
- .psr abi64
- .psr lsb
- .lsb
-
- .text
-
- .global _start#
- .proc _start#
+ .global _start
+ .proc _start
_start:
{ .mlx
@@ -59,11 +53,11 @@ _start:
}
{ .mfi
mov ar.fpsr = r3
- addl out0 = @ltoff(@fptr(main#)), gp
+ addl out0 = @ltoff(@fptr(main)), gp
}
{ .mfi
- addl out4 = @ltoff(@fptr(_fini#)), gp
- addl out3 = @ltoff(@fptr(_init#)), gp
+ addl out4 = @ltoff(@fptr(_fini)), gp
+ addl out3 = @ltoff(@fptr(_init)), gp
;;
}
{ .mmi
@@ -74,14 +68,14 @@ _start:
{ .mib
ld8 out4 = [out4] /* pointer to `fini' function descriptor */
mov out5 = ret0 /* dynamic linker destructor */
- br.call.sptk.few rp = __libc_start_main#
+ br.call.sptk.few rp = __libc_start_main
}
{ .mib
mov rp = r0
br.ret.sptk.few rp /* break miserably if we ever return */
;;
}
- .endp _start#
+ .endp _start
/* Define a symbol for the first piece of initialized data. */
.data
diff --git a/sysdeps/ia64/sysdep.h b/sysdeps/ia64/sysdep.h
index aab440dd87..489cd07abc 100644
--- a/sysdeps/ia64/sysdep.h
+++ b/sysdeps/ia64/sysdep.h
@@ -21,6 +21,28 @@
#ifdef __ASSEMBLER__
+/* Macros to help writing .prologue directives in assembly code. */
+#define ASM_UNW_PRLG_RP 0x8
+#define ASM_UNW_PRLG_PFS 0x4
+#define ASM_UNW_PRLG_PSP 0x2
+#define ASM_UNW_PRLG_PR 0x1
+#define ASM_UNW_PRLG_GRSAVE(ninputs) (32+(ninputs))
+
+#define ENTRY(name) \
+ .text; \
+ .align 32; \
+ .proc C_SYMBOL_NAME(name); \
+ .global C_SYMBOL_NAME(name); \
+ C_LABEL(name) \
+ CALL_MCOUNT
+
+#define LOCAL_ENTRY(name) \
+ .text; \
+ .align 32; \
+ .proc C_SYMBOL_NAME(name); \
+ C_LABEL(name) \
+ CALL_MCOUNT
+
#define LEAF(name) \
.text; \
.align 32; \
@@ -28,6 +50,12 @@
.global name; \
C_LABEL(name)
+#define LOCAL_LEAF(name) \
+ .text; \
+ .align 32; \
+ .proc C_SYMBOL_NAME(name); \
+ C_LABEL(name)
+
/* Mark the end of function SYM. */
#undef END
#define END(sym) .endp C_SYMBOL_NAME(sym)