diff options
author | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2022-10-03 17:04:02 +0100 |
---|---|---|
committer | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2022-10-03 17:04:02 +0100 |
commit | 97acb6a8fcc4e5c2cdc2693a35acdc5a7461aaa3 (patch) | |
tree | c4f1a18b38d655b7806a72515992bd9aae14ef53 /scripts/gdb | |
parent | 6fa964c045a6bc3321a9186e87bfbcfd1059b0f1 (diff) | |
parent | 7860d720a84c74b2761c6b7995392a798ab0a3cb (diff) |
Merge drm/drm-next into drm-intel-gt-next
Daniele needs 84d4333c1e28 ("misc/mei: Add NULL check to component match
callback functions") in order to merge the DG2 HuC patches.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Diffstat (limited to 'scripts/gdb')
-rw-r--r-- | scripts/gdb/linux/config.py | 6 | ||||
-rw-r--r-- | scripts/gdb/linux/dmesg.py | 9 | ||||
-rw-r--r-- | scripts/gdb/linux/symbols.py | 2 | ||||
-rw-r--r-- | scripts/gdb/linux/utils.py | 14 | ||||
-rw-r--r-- | scripts/gdb/vmlinux-gdb.py | 2 |
5 files changed, 20 insertions, 13 deletions
diff --git a/scripts/gdb/linux/config.py b/scripts/gdb/linux/config.py index 90e1565b1967..8843ab3cbadd 100644 --- a/scripts/gdb/linux/config.py +++ b/scripts/gdb/linux/config.py @@ -24,9 +24,9 @@ class LxConfigDump(gdb.Command): filename = arg try: - py_config_ptr = gdb.parse_and_eval("kernel_config_data + 8") - py_config_size = gdb.parse_and_eval( - "sizeof(kernel_config_data) - 1 - 8 * 2") + py_config_ptr = gdb.parse_and_eval("&kernel_config_data") + py_config_ptr_end = gdb.parse_and_eval("&kernel_config_data_end") + py_config_size = py_config_ptr_end - py_config_ptr except gdb.error as e: raise gdb.GdbError("Can't find config, enable CONFIG_IKCONFIG?") diff --git a/scripts/gdb/linux/dmesg.py b/scripts/gdb/linux/dmesg.py index d5983cf3db7d..c771831eb077 100644 --- a/scripts/gdb/linux/dmesg.py +++ b/scripts/gdb/linux/dmesg.py @@ -22,7 +22,6 @@ prb_desc_type = utils.CachedType("struct prb_desc") prb_desc_ring_type = utils.CachedType("struct prb_desc_ring") prb_data_ring_type = utils.CachedType("struct prb_data_ring") printk_ringbuffer_type = utils.CachedType("struct printk_ringbuffer") -atomic_long_type = utils.CachedType("atomic_long_t") class LxDmesg(gdb.Command): """Print Linux kernel log buffer.""" @@ -68,8 +67,6 @@ class LxDmesg(gdb.Command): off = prb_data_ring_type.get_type()['data'].bitpos // 8 text_data_addr = utils.read_ulong(text_data_ring, off) - counter_off = atomic_long_type.get_type()['counter'].bitpos // 8 - sv_off = prb_desc_type.get_type()['state_var'].bitpos // 8 off = prb_desc_type.get_type()['text_blk_lpos'].bitpos // 8 @@ -89,9 +86,9 @@ class LxDmesg(gdb.Command): # read in tail and head descriptor ids off = prb_desc_ring_type.get_type()['tail_id'].bitpos // 8 - tail_id = utils.read_u64(desc_ring, off + counter_off) + tail_id = utils.read_atomic_long(desc_ring, off) off = prb_desc_ring_type.get_type()['head_id'].bitpos // 8 - head_id = utils.read_u64(desc_ring, off + counter_off) + head_id = utils.read_atomic_long(desc_ring, off) did = tail_id while True: @@ -102,7 +99,7 @@ class LxDmesg(gdb.Command): desc = utils.read_memoryview(inf, desc_addr + desc_off, desc_sz).tobytes() # skip non-committed record - state = 3 & (utils.read_u64(desc, sv_off + counter_off) >> desc_flags_shift) + state = 3 & (utils.read_atomic_long(desc, sv_off) >> desc_flags_shift) if state != desc_committed and state != desc_finalized: if did == head_id: break diff --git a/scripts/gdb/linux/symbols.py b/scripts/gdb/linux/symbols.py index 46f7542db08c..dc07b6d12e30 100644 --- a/scripts/gdb/linux/symbols.py +++ b/scripts/gdb/linux/symbols.py @@ -180,7 +180,7 @@ lx-symbols command.""" self.breakpoint.delete() self.breakpoint = None self.breakpoint = LoadModuleBreakpoint( - "kernel/module.c:do_init_module", self) + "kernel/module/main.c:do_init_module", self) else: gdb.write("Note: symbol update on module loading not supported " "with this gdb version\n") diff --git a/scripts/gdb/linux/utils.py b/scripts/gdb/linux/utils.py index ff7c1799d588..1553f68716cc 100644 --- a/scripts/gdb/linux/utils.py +++ b/scripts/gdb/linux/utils.py @@ -35,13 +35,12 @@ class CachedType: long_type = CachedType("long") - +atomic_long_type = CachedType("atomic_long_t") def get_long_type(): global long_type return long_type.get_type() - def offset_of(typeobj, field): element = gdb.Value(0).cast(typeobj) return int(str(element[field].address).split()[0], 16) @@ -129,6 +128,17 @@ def read_ulong(buffer, offset): else: return read_u32(buffer, offset) +atomic_long_counter_offset = atomic_long_type.get_type()['counter'].bitpos +atomic_long_counter_sizeof = atomic_long_type.get_type()['counter'].type.sizeof + +def read_atomic_long(buffer, offset): + global atomic_long_counter_offset + global atomic_long_counter_sizeof + + if atomic_long_counter_sizeof == 8: + return read_u64(buffer, offset + atomic_long_counter_offset) + else: + return read_u32(buffer, offset + atomic_long_counter_offset) target_arch = None diff --git a/scripts/gdb/vmlinux-gdb.py b/scripts/gdb/vmlinux-gdb.py index 4136dc2c59df..3e8d3669f0ce 100644 --- a/scripts/gdb/vmlinux-gdb.py +++ b/scripts/gdb/vmlinux-gdb.py @@ -13,7 +13,7 @@ import os -sys.path.insert(0, os.path.dirname(__file__) + "/scripts/gdb") +sys.path.insert(0, os.path.dirname(os.path.abspath(__file__)) + "/scripts/gdb") try: gdb.parse_and_eval("0") |