Author: markj
Date: Fri Dec 11 00:25:34 2020
New Revision: 368535
URL: https://svnweb.freebsd.org/changeset/base/368535
Log:
MFC r368108:
arm: Correctly report the size of FPA registers to GDB
PR: 251022
Modified:
stable/12/sys/arm/include/gdb_machdep.h
Directory Properties:
stable/12/ (props changed)
Modified: stable/12/sys/arm/include/gdb_machdep.h
==============================================================================
--- stable/12/sys/arm/include/gdb_machdep.h Fri Dec 11 00:20:04 2020
(r368534)
+++ stable/12/sys/arm/include/gdb_machdep.h Fri Dec 11 00:25:34 2020
(r368535)
@@ -36,9 +36,13 @@
#define GDB_REG_PC 15
static __inline size_t
-gdb_cpu_regsz(int regnum __unused)
+gdb_cpu_regsz(int regnum)
{
- return (sizeof(int));
+ /*
+ * GDB expects the FPA registers f0-f7, each 96 bits wide, to be placed
+ * in between the PC and CSPR in response to a "g" packet.
+ */
+ return (regnum >= 16 && regnum <= 23 ? 12 : sizeof(int));
}
static __inline int
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