[Crash-utility] [PATCH] MIPS: support getting regs from kdump dumpfiles

Add support for using the notes in MIPS' kdump compressed format dumpfiles. --- diskdump.c | 19 +++++++++++++++---- mips.c | 4 ++++ 2 files changed, 19 insertions(+), 4 deletions(-) diff --git a/diskdump.c b/diskdump.c index 585aaa9..90f3bff 100644 --- a/diskdump.c +++ b/diskdump.c @@ -1285,14 +1285,11 @@ extern void get_netdump_regs_x86(struct bt_info *, ulong *, ulong *); extern void get_netdump_regs_x86_64(struct bt_info *, ulong *, ulong *); static void -get_diskdump_regs_ppc(struct bt_info *bt, ulong *eip, ulong *esp) +get_diskdump_regs_32(struct bt_info *bt, ulong *eip, ulong *esp) { Elf32_Nhdr *note; int len; - if (KDUMP_CMPRS_VALID()) - ppc_relocate_nt_prstatus_percpu(dd->nt_prstatus_percpu, - &dd->num_prstatus_notes); if (KDUMP_CMPRS_VALID() && (bt->task == tt->panic_task || (is_task_active(bt->task) && dd->num_prstatus_notes > 1))) { @@ -1313,6 +1310,16 @@ get_diskdump_regs_ppc(struct bt_info *bt, ulong *eip, ulong *esp) } static void +get_diskdump_regs_ppc(struct bt_info *bt, ulong *eip, ulong *esp) +{ + if (KDUMP_CMPRS_VALID()) + ppc_relocate_nt_prstatus_percpu(dd->nt_prstatus_percpu, + &dd->num_prstatus_notes); + + get_diskdump_regs_32(bt, eip, esp); +} + +static void get_diskdump_regs_ppc64(struct bt_info *bt, ulong *eip, ulong *esp) { if ((bt->task == tt->panic_task) && DISKDUMP_VALID()) @@ -1346,6 +1353,10 @@ get_diskdump_regs(struct bt_info *bt, ulong *eip, ulong *esp) get_diskdump_regs_arm(bt, eip, esp); break; + case EM_MIPS: + return get_diskdump_regs_32(bt, eip, esp); + break; + case EM_386: return get_netdump_regs_x86(bt, eip, esp); break; diff --git a/mips.c b/mips.c index 77077fb..4b62d1e 100644 --- a/mips.c +++ b/mips.c @@ -833,6 +833,10 @@ mips_init(int when) #endif switch (when) { + case SETUP_ENV: + machdep->process_elf_notes = process_elf32_notes; + break; + case PRE_SYMTAB: machdep->verify_symbol = mips_verify_symbol; machdep->machspec = &mips_machine_specific; -- 1.7.10.4