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path: root/recipes/glibc/glibc-2.4/glibc-crunch-eabi-setjmp_longjmp.patch
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--- glibc-2.5/ports/sysdeps/arm/eabi/setjmp.S	2006-09-22 04:39:51.000000000 +1000
+++ glibc-2.5/ports/sysdeps/arm/eabi/setjmp.S	2007-05-24 13:31:20.000000000 +1000
@@ -74,6 +74,34 @@
 	stcl	p1, cr15, [r12], #8
 Lno_iwmmxt:
 
+	tst	a3, #HWCAP_ARM_CRUNCH
+	beq	Lno_crunch
+
+	/* Save the call-preserved crunch registers.  */
+	/* Following instructions are cfstrd cr10, [ip], #8 (etc.)  */
+	/* stcl	p4, cr4,  [r12], #8 */
+	/* stcl	p4, cr5,  [r12], #8 */
+	/* stcl	p4, cr6,  [r12], #8 */
+	/* stcl	p4, cr7,  [r12], #8 */
+	stcl	p4, cr8,  [r12], #8
+	stcl	p4, cr9,  [r12], #8
+	stcl	p4, cr10, [r12], #8
+	stcl	p4, cr11, [r12], #8
+	stcl	p4, cr12, [r12], #8
+	stcl	p4, cr13, [r12], #8
+	stcl	p4, cr14, [r12], #8
+	stcl	p4, cr15, [r12], #8
+	/* Store the floating-point status register.
+	/* Following 6 instructions are FPU_CRUNCH_GETCW (r2) clob (r3, r4) */
+	/* mrc p5, 0, r3, cr0, cr0, 0 */
+	/* mrc p5, 0, r4, cr0, cr0, 1 */
+	/* cdp p4, 0, cr0, cr0, cr0, 7 */
+	/* mrc p5, 0, r2, cr0, cr0, 0 */
+	/* mcr p5, 0, r3, cr0, cr0, 0 */
+	/* mcr p5, 0, r4, cr0, cr0, 1 */
+	/* str	r2, [ip], #4 */
+Lno_crunch:
+
 	/* Make a tail call to __sigjmp_save; it takes the same args.  */
 	B	PLTJMP(C_SYMBOL_NAME(__sigjmp_save))
 
--- glibc-2.5/ports/sysdeps/arm/eabi/__longjmp.S	2006-09-22 04:39:51.000000000 +1000
+++ glibc-2.5/ports/sysdeps/arm/eabi/__longjmp.S	2007-05-24 13:31:23.000000000 +1000
@@ -76,6 +76,34 @@
 	ldcl	p1, cr15, [r12], #8
 Lno_iwmmxt:
 
+	tst	a2, #HWCAP_ARM_CRUNCH
+	beq	Lno_crunch
+
+	/* Restore the call-preserved crunch registers.  */
+	/* Following instructions are cfldrd cr10, [ip], #8 (etc.)  */
+	/* ldcl	p4, cr4,  [r12], #8 */
+	/* ldcl	p4, cr5,  [r12], #8 */
+	/* ldcl	p4, cr6,  [r12], #8 */
+	/* ldcl	p4, cr7,  [r12], #8 */
+	ldcl	p4, cr8,  [r12], #8
+	ldcl	p4, cr9,  [r12], #8
+	ldcl	p4, cr10, [r12], #8
+	ldcl	p4, cr11, [r12], #8
+	ldcl	p4, cr12, [r12], #8
+	ldcl	p4, cr13, [r12], #8
+	ldcl	p4, cr14, [r12], #8
+	ldcl	p4, cr15, [r12], #8
+	/* Restore the floating-point status register.  */
+	ldr     r1, [ip], #4
+	/* Following 6 instructions are FPU_CRUNCH_SETCW (r1) clob (r2, r3).  */
+	/* mrc p5, 0, r2, cr0, cr0, 0 */
+	/* mrc p5, 0, r3, cr0, cr0, 1 */
+	/* mcr p5, 0, r1, cr0, cr0, 0 */
+	/* cdp p4, 1, cr0, cr0, cr0, 7 */
+	/* mcr p5, 0, r2, cr0, cr0, 0 */
+	/* mcr p5, 0, r3, cr0, cr0, 1 */
+Lno_crunch:
+
 	DO_RET(lr)
 
 #ifdef IS_IN_rtld
--- glibc-2.5/ports/sysdeps/unix/sysv/linux/arm/sysdep.h	2006-09-22 04:39:51.000000000 +1000
+++ glibc-2.5/ports/sysdeps/unix/sysv/linux/arm/sysdep.h	2007-05-24 12:59:03.000000000 +1000
@@ -48,6 +48,7 @@
 #define HWCAP_ARM_EDSP		128
 #define HWCAP_ARM_JAVA		256
 #define HWCAP_ARM_IWMMXT	512
+#define HWCAP_ARM_CRUNCH  1024
 
 #ifdef __ASSEMBLER__
 
--- glibc-2.5/ports/sysdeps/unix/sysv/linux/arm/dl-procinfo.c	2007-07-02 13:20:36.000000000 +1000
+++ glibc-2.5/ports/sysdeps/unix/sysv/linux/arm/dl-procinfo.c	2007-07-02 13:23:19.000000000 +1000
@@ -47,12 +47,12 @@
 #if !defined PROCINFO_DECL && defined SHARED
   ._dl_arm_cap_flags
 #else
-PROCINFO_CLASS const char _dl_arm_cap_flags[10][10]
+PROCINFO_CLASS const char _dl_arm_cap_flags[11][10]
 #endif
 #ifndef PROCINFO_DECL
 = {
     "swp", "half", "thumb", "26bit", "fast-mult", "fpa", "vfp", "edsp",
-    "java", "iwmmxt",
+    "java", "iwmmxt", "crunch",
   }
 #endif
 #if !defined SHARED || defined PROCINFO_DECL
--- glibc-2.5/ports/sysdeps/unix/sysv/linux/arm/dl-procinfo.h	2007-07-02 13:25:23.000000000 +1000
+++ glibc-2.5/ports/sysdeps/unix/sysv/linux/arm/dl-procinfo.h	2007-07-02 13:25:38.000000000 +1000
@@ -24,7 +24,7 @@
 #include <ldsodefs.h>
 #include <sysdep.h>
 
-#define _DL_HWCAP_COUNT 10
+#define _DL_HWCAP_COUNT 11
 
 /* The kernel provides platform data but it is not interesting.  */
 #define _DL_HWCAP_PLATFORM 	0