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| author | Kung Hsu <kung@cygnus> | 1995-03-01 00:01:49 +0000 |
|---|---|---|
| committer | Kung Hsu <kung@cygnus> | 1995-03-01 00:01:49 +0000 |
| commit | 161520dc02c71146c4bcb352c7bd06ac59398e4f (patch) | |
| tree | 72ff59b2dc4540f033488726e84275697be9e282 /gdb/a29k-tdep.c | |
| parent | 33d8f4697c9db53ca8db2ef3d9d3e93f555b5592 (diff) | |
| download | gdb-161520dc02c71146c4bcb352c7bd06ac59398e4f.zip gdb-161520dc02c71146c4bcb352c7bd06ac59398e4f.tar.gz gdb-161520dc02c71146c4bcb352c7bd06ac59398e4f.tar.bz2 | |
* a29k-tdep.c (get_longjmp_target): add this function, from WRS.
* remote-vx.c: move read_register and write_register out to
target specific files.
* remote-vx29k.c (get_fp_contnets): add this function, from WRS.
Diffstat (limited to 'gdb/a29k-tdep.c')
| -rw-r--r-- | gdb/a29k-tdep.c | 36 |
1 files changed, 35 insertions, 1 deletions
diff --git a/gdb/a29k-tdep.c b/gdb/a29k-tdep.c index 591afbd..dbcd60b 100644 --- a/gdb/a29k-tdep.c +++ b/gdb/a29k-tdep.c @@ -402,7 +402,7 @@ init_frame_info (innermost_frame, frame) else frame->frame = frame->next->frame + frame->next->rsize; -#if CALL_DUMMY_LOCATION == ON_STACK +#if 0 /* CALL_DUMMY_LOCATION == ON_STACK */ This wont work; #else if (PC_IN_CALL_DUMMY (p, 0, 0)) @@ -825,6 +825,16 @@ push_dummy_frame () gr1 = read_register (GR1_REGNUM) - DUMMY_FRAME_RSIZE; write_register (GR1_REGNUM, gr1); +#ifdef VXWORKS_TARGET + /* We force re-reading all registers to get the new local registers set + after gr1 has been modified. This fix is due to the lack of single + register read/write operation in the RPC interface between VxGDB and + VxWorks. This really must be changed ! */ + + vx_read_register (-1); + +#endif /* VXWORK_TARGET */ + rab = read_register (RAB_REGNUM); if (gr1 < rab) { @@ -967,6 +977,30 @@ a29k_get_processor_type () fprintf_filtered (gdb_stderr, " revision %c\n", 'A' + ((cfg_reg >> 24) & 0x0f)); } +#ifdef GET_LONGJMP_TARGET +/* Figure out where the longjmp will land. We expect that we have just entered + longjmp and haven't yet setup the stack frame, so the args are still in the + output regs. lr2 (LR2_REGNUM) points at the jmp_buf structure from which we + extract the pc (JB_PC) that we will land at. The pc is copied into ADDR. + This routine returns true on success */ + +int +get_longjmp_target(pc) + CORE_ADDR *pc; +{ + CORE_ADDR jb_addr; + + jb_addr = read_register(LR2_REGNUM); + + if (target_read_memory(jb_addr + JB_PC * JB_ELEMENT_SIZE, (char *) pc, + sizeof(CORE_ADDR))) + return 0; + + SWAP_TARGET_AND_HOST(pc, sizeof(CORE_ADDR)); + return 1; +} +#endif /* GET_LONGJMP_TARGET */ + void _initialize_a29k_tdep () { |