[Crash-utility] [PATCH 02/16] MIPS64: Support getting regs from kdump dumpfiles

[Youling Tang]

Add support for using the notes in MIPS kdump compressed format dumpfiles.

Signed-off-by: Huacai Chen <chenhuacai at loongson.cn>
Signed-off-by: Youling Tang <tangyouling at loongson.cn>
---
 diskdump.c | 8 +++++++-
 mips64.c   | 9 +++++++++
 2 files changed, 16 insertions(+), 1 deletion(-)

diff --git a/diskdump.c b/diskdump.c
index 4ad2c50..b5e77da 100644
--- a/diskdump.c
+++ b/diskdump.c
@@ -1470,6 +1470,12 @@ get_diskdump_regs_arm64(struct bt_info *bt, ulong *eip, ulong *esp)
 }
 
 static void
+get_diskdump_regs_mips(struct bt_info *bt, ulong *eip, ulong *esp)
+{
+	machdep->get_stack_frame(bt, eip, esp);
+}
+
+static void
 get_diskdump_regs_sparc64(struct bt_info *bt, ulong *eip, ulong *esp)
 {
 	Elf64_Nhdr *note;
@@ -1508,7 +1514,7 @@ get_diskdump_regs(struct bt_info *bt, ulong *eip, ulong *esp)
 		break;
 
 	case EM_MIPS:
-		return get_diskdump_regs_32(bt, eip, esp);
+		return get_diskdump_regs_mips(bt, eip, esp);
 		break;
 
 	case EM_386:
diff --git a/mips64.c b/mips64.c
index 5ebe61d..c3eb03c 100644
--- a/mips64.c
+++ b/mips64.c
@@ -22,9 +22,18 @@ mips64_dump_machdep_table(ulong arg)
 {
 }
 
+/*
+ * Do all necessary machine-specific setup here. This is called several
+ * times during initialization.
+ */
 void
 mips64_init(int when)
 {
+	switch (when) {
+	case SETUP_ENV:
+		machdep->process_elf_notes = process_elf64_notes;
+		break;
+	}
 }
 
 void
-- 
2.1.0