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| author | Jim Blandy <jimb@codesourcery.com> | 2001-11-09 18:58:14 +0000 |
|---|---|---|
| committer | Jim Blandy <jimb@codesourcery.com> | 2001-11-09 18:58:14 +0000 |
| commit | 01c464e928465c5928b15f2f47a655cc4d971572 (patch) | |
| tree | 7326481a8ad42f9ec4d1974afd636a09788f8fb4 | |
| parent | b165b83891be5218d0f7b4c9e773c5fb4b6d8e6e (diff) | |
| download | gdb-01c464e928465c5928b15f2f47a655cc4d971572.zip gdb-01c464e928465c5928b15f2f47a655cc4d971572.tar.gz gdb-01c464e928465c5928b15f2f47a655cc4d971572.tar.bz2 | |
* s390-nat.c: (s390_push_arguments): Write a back chain pointer
into the dummy frame, to help us get backtraces.
| -rw-r--r-- | gdb/ChangeLog | 3 | ||||
| -rw-r--r-- | gdb/s390-tdep.c | 11 |
2 files changed, 13 insertions, 1 deletions
diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 04d1f19..e6ad44b 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,8 @@ 2001-11-09 Jim Blandy <jimb@redhat.com> + * s390-nat.c: (s390_push_arguments): Write a back chain pointer + into the dummy frame, to help us get backtraces. + * values.c (value_as_address): If VAL is a function or method, just return its address; don't let COERCE_ARRAY convert its address to a pointer, and then have unpack_long convert it back to diff --git a/gdb/s390-tdep.c b/gdb/s390-tdep.c index 97e65d9..bbac85a 100644 --- a/gdb/s390-tdep.c +++ b/gdb/s390-tdep.c @@ -1263,7 +1263,16 @@ s390_push_arguments (int nargs, struct value **args, CORE_ADDR sp, } } } - if (!second_pass) + if (second_pass) + { + /* Write the back chain pointer into the first word of the + stack frame. This will help us get backtraces from + within functions called from GDB. */ + write_memory_unsigned_integer (sp, + (TARGET_PTR_BIT / TARGET_CHAR_BIT), + read_fp ()); + } + else { outgoing_args_space = outgoing_args_ptr; /* Align to 16 bytes because because I like alignment & |