Changeset 3fab770 in mainline for uspace/lib/c/arch/arm32/include/elf_linux.h

Timestamp:

2011-07-29T20:26:14Z (13 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

12bcae0, a33f0a6

Parents:

74e6b1f

Message:

Write register state to core files (arm32, ppc32). ppc32 is untested
(no way to copy out core file).

File:

• uspace/lib/c/arch/arm32/include/elf_linux.h (modified) (2 diffs)

uspace/lib/c/arch/arm32/include/elf_linux.h

@@ -30 +30 @@
  * @{
  */
-/** @file
+/** @file Definitions needed to write core files in Linux-ELF format.
  */
 
@@ -39 +39 @@
 #include <sys/types.h>
 
+/** Linux kernel struct pt_regs structure.
+ *
+ * We need this to save register state to a core file in Linux format
+ * (readable by GDB configured for Linux target).
+ */
 typedef struct {
-        /* TODO */
-        uint32_t pad[16];
+        uint32_t r0;
+        uint32_t r1;
+        uint32_t r2;
+        uint32_t r3;
+        uint32_t r4;
+        uint32_t r5;
+        uint32_t r6;
+        uint32_t r7;
+        uint32_t r8;
+        uint32_t r9;
+        uint32_t r10;
+        uint32_t fp;
+        uint32_t r12;
+        uint32_t sp;
+        uint32_t lr;
+        uint32_t pc;
+        uint32_t cpsr;
+        uint32_t old_r0;
 } elf_regs_t;
 
+/** Convert istate_t to elf_regs_t. */
 static inline void istate_to_elf_regs(istate_t *istate, elf_regs_t *elf_regs)
 {
-        /* TODO */
-        (void) istate; (void) elf_regs;
+        elf_regs->r0 = istate->r0;
+        elf_regs->r1 = istate->r1;
+        elf_regs->r2 = istate->r2;
+        elf_regs->r3 = istate->r3;
+        elf_regs->r4 = istate->r4;
+        elf_regs->r5 = istate->r5;
+        elf_regs->r6 = istate->r6;
+        elf_regs->r7 = istate->r7;
+        elf_regs->r8 = istate->r8;
+        elf_regs->r9 = istate->r9;
+        elf_regs->r10 = istate->r10;
+
+        elf_regs->fp = istate->fp;
+        elf_regs->r12 = istate->r12;
+        elf_regs->sp = istate->sp;
+        elf_regs->lr = istate->lr;
+        elf_regs->pc = istate->pc;
+        elf_regs->cpsr = istate->spsr;
+        elf_regs->old_r0 = 0;
 }