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authorRob Savoye <rob@cygnus>1994-12-07 21:47:22 +0000
committerRob Savoye <rob@cygnus>1994-12-07 21:47:22 +0000
commit0cfa9be02807f28ae2e76743cc387bb302695431 (patch)
treec0102535684f88cfb0b4cff5ba1617552e458fc0 /gdb/config/pa
parentbd2b724a0ce513e286699ed40102d4c3bf01513a (diff)
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* hppa-tdep.c: Use GDB_TARGET_IS_PA_ELF so SOM target support will
stop being linked in. * config/pa/tm-hppap.h: New file. Set GDB_TARGET_IS_PA_ELF, otherwise it looks like BSD-ELF.
Diffstat (limited to 'gdb/config/pa')
-rw-r--r--gdb/config/pa/hppapro.mt7
-rw-r--r--gdb/config/pa/tm-hppap.h50
2 files changed, 52 insertions, 5 deletions
diff --git a/gdb/config/pa/hppapro.mt b/gdb/config/pa/hppapro.mt
index 6216a19..4f012e4 100644
--- a/gdb/config/pa/hppapro.mt
+++ b/gdb/config/pa/hppapro.mt
@@ -1,10 +1,7 @@
-# Target: Motorola rom68k boot monitor (from Integrated Systems)
-# Target: Motorola bug monitor.
-# These defines should give you a gdb running on anything that will be able to
-# communicate with a m68k based debug monitor. Communications
+# Communicate with a PA based debug monitor. Communications
# is facilitated via either a serial line, or a TCP or TELNET connection to
# a serial line on a terminal multiplexor.
TDEPFILES= hppa-pinsn.o hppa-tdep.o
REMOTE_O=dcache.o remote.o remote-utils.o op50-rom.o w89k-rom.o monitor.o
XDEPFILES= ser-tcp.o
-TM_FILE= tm-hppab.h
+TM_FILE= tm-hppap.h
diff --git a/gdb/config/pa/tm-hppap.h b/gdb/config/pa/tm-hppap.h
new file mode 100644
index 0000000..97fb94a
--- /dev/null
+++ b/gdb/config/pa/tm-hppap.h
@@ -0,0 +1,50 @@
+/* Parameters for execution on an HP PA-RISC machine running a ROM monitor,
+ for GDB. This is based on tm-hppab.h.
+ Contributed by the Center for Software Science at the
+ University of Utah (pa-gdb-bugs@cs.utah.edu). */
+
+/* For BSD:
+
+ The signal context structure pointer is always saved at the base
+ of the frame + 0x4.
+
+ We get the PC & SP directly from the sigcontext structure itself.
+ For other registers we have to dive in a little deeper:
+
+ The hardware save state pointer is at offset 0x10 within the
+ signal context structure.
+
+ Within the hardware save state, registers are found in the same order
+ as the register numbers in GDB. */
+
+#define FRAME_SAVED_PC_IN_SIGTRAMP(FRAME, TMP) \
+{ \
+ *(TMP) = read_memory_integer ((FRAME)->frame + 0x4, 4); \
+ *(TMP) = read_memory_integer (*(TMP) + 0x18, 4); \
+}
+
+#define FRAME_BASE_BEFORE_SIGTRAMP(FRAME, TMP) \
+{ \
+ *(TMP) = read_memory_integer ((FRAME)->frame + 0x4, 4); \
+ *(TMP) = read_memory_integer (*(TMP) + 0x8, 4); \
+}
+
+#define FRAME_FIND_SAVED_REGS_IN_SIGTRAMP(FRAME, FSR) \
+{ \
+ int i; \
+ CORE_ADDR TMP; \
+ TMP = read_memory_integer ((FRAME)->frame + 0x4, 4); \
+ TMP = read_memory_integer (TMP + 0x10, 4); \
+ for (i = 0; i < NUM_REGS; i++) \
+ { \
+ if (i == SP_REGNUM) \
+ (FSR)->regs[SP_REGNUM] = read_memory_integer (TMP + SP_REGNUM * 4, 4); \
+ else \
+ (FSR)->regs[i] = TMP + i * 4; \
+ } \
+}
+
+/* It's mostly just the common stuff. */
+#include "pa/tm-hppa.h"
+
+#define GDB_TARGET_IS_PA_ELF