From 01573e231f18eb2d99162747186f59511f56b64d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 08 Dec 2023 10:40:48 +0000
Subject: [PATCH] 移去rt
---
kernel/kernel/debug/gdbstub.c | 33 +++++++++++++++++++++++----------
1 files changed, 23 insertions(+), 10 deletions(-)
diff --git a/kernel/kernel/debug/gdbstub.c b/kernel/kernel/debug/gdbstub.c
index 7510dc6..a77df59 100644
--- a/kernel/kernel/debug/gdbstub.c
+++ b/kernel/kernel/debug/gdbstub.c
@@ -247,7 +247,7 @@
*/
tmp = buf + count;
- err = probe_kernel_read(tmp, mem, count);
+ err = copy_from_kernel_nofault(tmp, mem, count);
if (err)
return NULL;
while (count > 0) {
@@ -283,7 +283,7 @@
*tmp_raw |= hex_to_bin(*tmp_hex--) << 4;
}
- return probe_kernel_write(mem, tmp_raw, count);
+ return copy_to_kernel_nofault(mem, tmp_raw, count);
}
/*
@@ -335,7 +335,7 @@
size++;
}
- return probe_kernel_write(mem, c, size);
+ return copy_to_kernel_nofault(mem, c, size);
}
#if DBG_MAX_REG_NUM > 0
@@ -725,7 +725,7 @@
}
}
- do_each_thread(g, p) {
+ for_each_process_thread(g, p) {
if (i >= ks->thr_query && !finished) {
int_to_threadref(thref, p->pid);
ptr = pack_threadid(ptr, thref);
@@ -735,7 +735,7 @@
finished = 1;
}
i++;
- } while_each_thread(g, p);
+ }
*(--ptr) = '\0';
break;
@@ -792,6 +792,19 @@
}
break;
#endif
+#ifdef CONFIG_HAVE_ARCH_KGDB_QXFER_PKT
+ case 'S':
+ if (!strncmp(remcom_in_buffer, "qSupported:", 11))
+ strcpy(remcom_out_buffer, kgdb_arch_gdb_stub_feature);
+ break;
+ case 'X':
+ if (!strncmp(remcom_in_buffer, "qXfer:", 6))
+ kgdb_arch_handle_qxfer_pkt(remcom_in_buffer,
+ remcom_out_buffer);
+ break;
+#endif
+ default:
+ break;
}
}
@@ -1033,13 +1046,14 @@
return DBG_PASS_EVENT;
}
#endif
+ fallthrough;
case 'C': /* Exception passing */
tmp = gdb_cmd_exception_pass(ks);
if (tmp > 0)
goto default_handle;
if (tmp == 0)
break;
- /* Fall through on tmp < 0 */
+ fallthrough; /* on tmp < 0 */
case 'c': /* Continue packet */
case 's': /* Single step packet */
if (kgdb_contthread && kgdb_contthread != current) {
@@ -1047,8 +1061,7 @@
error_packet(remcom_out_buffer, -EINVAL);
break;
}
- dbg_activate_sw_breakpoints();
- /* Fall through to default processing */
+ fallthrough; /* to default processing */
default:
default_handle:
error = kgdb_arch_handle_exception(ks->ex_vector,
@@ -1094,10 +1107,10 @@
return error;
case 's':
case 'c':
- strcpy(remcom_in_buffer, cmd);
+ strscpy(remcom_in_buffer, cmd, sizeof(remcom_in_buffer));
return 0;
case '$':
- strcpy(remcom_in_buffer, cmd);
+ strscpy(remcom_in_buffer, cmd, sizeof(remcom_in_buffer));
gdbstub_use_prev_in_buf = strlen(remcom_in_buffer);
gdbstub_prev_in_buf_pos = 0;
return 0;
--
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