patch-1.3.33 linux/arch/alpha/kernel/process.c

• Lines: 69
• Date: Mon Oct 9 13:10:40 1995
• Orig file: v1.3.32/linux/arch/alpha/kernel/process.c
• Orig date: Fri Oct 6 14:35:13 1995

diff -u --recursive --new-file v1.3.32/linux/arch/alpha/kernel/process.c linux/arch/alpha/kernel/process.c
@@ -25,6 +25,7 @@
 #include <linux/stat.h>
 #include <linux/mman.h>
 
+#include <asm/reg.h>
 #include <asm/segment.h>
 #include <asm/system.h>
 #include <asm/io.h>
@@ -144,8 +145,59 @@
 /*
  * fill in the user structure for a core dump..
  */
-void dump_thread(struct pt_regs * regs, struct user * dump)
+void dump_thread(struct pt_regs * pt, struct user * dump)
 {
+	/* switch stack follows right below pt_regs: */
+	struct switch_stack * sw = ((struct switch_stack *) pt) - 1;
+
+	dump->magic = CMAGIC;
+	dump->start_code  = current->mm->start_code;
+	dump->start_data  = current->mm->start_data;
+	dump->start_stack = rdusp() & ~(PAGE_SIZE - 1);
+	dump->u_tsize = (current->mm->end_code - dump->start_code) >> PAGE_SHIFT;
+	dump->u_dsize = (current->mm->brk + (PAGE_SIZE - 1) - dump->start_data) >> PAGE_SHIFT;
+	dump->u_ssize =
+	  (current->mm->start_stack - dump->start_stack + PAGE_SIZE - 1) >> PAGE_SHIFT;
+
+	/*
+	 * We store the registers in an order/format that is
+	 * compatible with DEC Unix/OSF/1 as this makes life easier
+	 * for gdb.
+	 */
+	dump->regs[EF_V0]  = pt->r0;
+	dump->regs[EF_T0]  = pt->r1;
+	dump->regs[EF_T1]  = pt->r2;
+	dump->regs[EF_T2]  = pt->r3;
+	dump->regs[EF_T3]  = pt->r4;
+	dump->regs[EF_T4]  = pt->r5;
+	dump->regs[EF_T5]  = pt->r6;
+	dump->regs[EF_T6]  = pt->r7;
+	dump->regs[EF_T7]  = pt->r8;
+	dump->regs[EF_S0]  = sw->r9;
+	dump->regs[EF_S1]  = sw->r10;
+	dump->regs[EF_S2]  = sw->r11;
+	dump->regs[EF_S3]  = sw->r12;
+	dump->regs[EF_S4]  = sw->r13;
+	dump->regs[EF_S5]  = sw->r14;
+	dump->regs[EF_S6]  = sw->r15;
+	dump->regs[EF_A3]  = pt->r19;
+	dump->regs[EF_A4]  = pt->r20;
+	dump->regs[EF_A5]  = pt->r21;
+	dump->regs[EF_T8]  = pt->r22;
+	dump->regs[EF_T9]  = pt->r23;
+	dump->regs[EF_T10] = pt->r24;
+	dump->regs[EF_T11] = pt->r25;
+	dump->regs[EF_RA]  = pt->r26;
+	dump->regs[EF_T12] = pt->r27;
+	dump->regs[EF_AT]  = pt->r28;
+	dump->regs[EF_SP]  = rdusp();
+	dump->regs[EF_PS]  = pt->ps;
+	dump->regs[EF_PC]  = pt->pc;
+	dump->regs[EF_GP]  = pt->gp;
+	dump->regs[EF_A0]  = pt->r16;
+	dump->regs[EF_A1]  = pt->r17;
+	dump->regs[EF_A2]  = pt->r18;
+	memcpy((char *)dump->regs + EF_SIZE, sw->fp, 32 * 8);
 }
 
 /*