diff options
Diffstat (limited to 'gdb/mn10200-tdep.c')
| -rw-r--r-- | gdb/mn10200-tdep.c | 19 |
1 files changed, 11 insertions, 8 deletions
diff --git a/gdb/mn10200-tdep.c b/gdb/mn10200-tdep.c index 11c03e9..8c3812d 100644 --- a/gdb/mn10200-tdep.c +++ b/gdb/mn10200-tdep.c @@ -530,15 +530,15 @@ mn10200_push_arguments (nargs, args, sp, struct_return, struct_addr) int stack_offset = 0; /* This should be a nop, but align the stack just in case something - went wrong. */ - sp &= ~3; + went wrong. Stacks are two byte aligned on the mn10200. */ + sp &= ~1; /* Now make space on the stack for the args. XXX This doesn't appear to handle pass-by-invisible reference arguments. */ for (argnum = 0; argnum < nargs; argnum++) - len += ((TYPE_LENGTH (VALUE_TYPE (args[argnum])) + 3) & ~3); + len += ((TYPE_LENGTH (VALUE_TYPE (args[argnum])) + 1) & ~1); /* Allocate stack space. */ sp -= len; @@ -567,11 +567,11 @@ mn10200_push_arguments (nargs, args, sp, struct_return, struct_addr) while (len > 0) { /* XXX This looks wrong; we can have one and two byte args. */ - write_memory (sp + stack_offset, val, 4); + write_memory (sp + stack_offset, val, 2); - len -= 4; - val += 4; - stack_offset += 4; + len -= 2; + val += 2; + stack_offset += 2; } args++; } @@ -588,8 +588,11 @@ mn10200_push_return_address (pc, sp) CORE_ADDR pc; CORE_ADDR sp; { + unsigned char buf[4]; - return sp; + store_unsigned_integer (buf, 4, CALL_DUMMY_ADDRESS ()); + write_memory (sp - 4, buf, 4); + return sp - 4; } /* Function: frame_saved_pc |