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authorDavid Edelsohn <dje.gcc@gmail.com>1997-09-09 23:47:12 +0000
committerDavid Edelsohn <dje.gcc@gmail.com>1997-09-09 23:47:12 +0000
commit8f5eb36c1374e92dea4f8a43448090b41c1a3319 (patch)
treea70a48382e6a7ecbb057451e3f2df07759015646 /gdb
parent2f36d00478524ed4081b20db411c94f8b7842c13 (diff)
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Misc. changes I had lying around.
Diffstat (limited to 'gdb')
-rw-r--r--gdb/config/arc/arc.mt6
-rw-r--r--gdb/config/arc/tm-arc.h9
2 files changed, 10 insertions, 5 deletions
diff --git a/gdb/config/arc/arc.mt b/gdb/config/arc/arc.mt
index df8cdce..cf4284e 100644
--- a/gdb/config/arc/arc.mt
+++ b/gdb/config/arc/arc.mt
@@ -1,8 +1,8 @@
# Target: arc processor
-TDEPFILES= arc-tdep.o remote-arc.o
-TM_FILE= tm-arc.h
+TDEPFILES = arc-tdep.o remote-arc.o
+TM_FILE = tm-arc.h
-REMOTE_OBS= dcache.o remote-utils.o
+REMOTE_OBS = dcache.o remote-utils.o # remote-sim.o
# This isn't supported yet and prevents gdb from building.
#SER_HARDWIRE= ser-go32-para.o
diff --git a/gdb/config/arc/tm-arc.h b/gdb/config/arc/tm-arc.h
index c6cfb71..e4b693b 100644
--- a/gdb/config/arc/tm-arc.h
+++ b/gdb/config/arc/tm-arc.h
@@ -53,14 +53,19 @@ extern CORE_ADDR skip_prologue PARAMS ((CORE_ADDR, int));
#define BIG_BREAKPOINT { 0x12, 0x1f, 0xff, 0xff }
#define LITTLE_BREAKPOINT { 0xff, 0xff, 0x1f, 0x12 }
-/* ??? This value may eventually be correct (if/when proper breakpoints
- are added). Until then no value is correct so leave as is and cope. */
+/* Given the exposed pipeline, there isn't any one correct value.
+ However, this value must be 4. GDB can't handle any other value (other than
+ zero). See for example infrun.c:
+ "prev_pc != stop_pc - DECR_PC_AFTER_BREAK" */
+/* FIXME */
#define DECR_PC_AFTER_BREAK 8
/* We don't have a reliable single step facility.
??? We do have a cycle single step facility, but that won't work. */
#define NO_SINGLE_STEP
+/* FIXME: Need to set STEP_SKIPS_DELAY. */
+
/* Given a pc value as defined by the hardware, return the real address.
Remember that on the ARC blink contains that status register which
includes PC + flags (so we have to mask out the flags). */