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| author | Andrew Cagney <cagney@redhat.com> | 2003-05-03 19:39:23 +0000 |
|---|---|---|
| committer | Andrew Cagney <cagney@redhat.com> | 2003-05-03 19:39:23 +0000 |
| commit | 7043d8dc5edd566142805331c3caad571f9aef2f (patch) | |
| tree | 569a445a897e50f81ae5cd31e4ea08124dc614de /gdb/sparc-tdep.c | |
| parent | 92bf2b80f20268d032bb7f55103514324ff939b9 (diff) | |
| download | gdb-7043d8dc5edd566142805331c3caad571f9aef2f.zip gdb-7043d8dc5edd566142805331c3caad571f9aef2f.tar.gz gdb-7043d8dc5edd566142805331c3caad571f9aef2f.tar.bz2 | |
2003-05-03 Andrew Cagney <cagney@redhat.com>
* gdbarch.sh (PUSH_DUMMY_CODE): New architecture method, add
comments noteing that it replaces the old FIX_CALL_DUMMY code.
* gdbarch.h, gdbarch.c: Re-generate.
* d10v-tdep.c (d10v_push_dummy_code): New function.
(d10v_gdbarch_init): Set push_dummy_code.
* infcall.c (legacy_push_dummy_code): New function.
(generic_push_dummy_code): New function.
(push_dummy_code): New function.
(call_function_by_hand): Call push_dummy_code. Pass bp_addr,
instead of dummy_addr, to push_dummy_call. Move call to
generic_save_call_dummy_addr to outside of CALL_DUMMY_LOCATION
switch.
* sparc-tdep.c (sparc_gdbarch_init): Mention push_dummy_code.
2003-05-03 Andrew Cagney <cagney@redhat.com>
* gdbint.texinfo (Target Architecture Definition): Document
push_dummy_code. Add cross references.
Diffstat (limited to 'gdb/sparc-tdep.c')
| -rw-r--r-- | gdb/sparc-tdep.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/gdb/sparc-tdep.c b/gdb/sparc-tdep.c index 07c1269..b3081cd 100644 --- a/gdb/sparc-tdep.c +++ b/gdb/sparc-tdep.c @@ -3224,7 +3224,15 @@ sparc_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) set_gdbarch_call_dummy_breakpoint_offset (gdbarch, 0x30); set_gdbarch_call_dummy_length (gdbarch, 0x38); - /* NOTE: cagney/2002-04-26: Based from info posted by Peter + /* NOTE: cagney/2003-05-01: Using the just added push_dummy_code + architecture method, it is now possible to implement a + generic dummy frames based inferior function call that stores + the breakpoint (and struct info) on the stack. Further, by + treating a SIGSEG at a breakpoint as equivalent to a SIGTRAP + it is even possible to make this work when the stack is + no-execute. + + NOTE: cagney/2002-04-26: Based from info posted by Peter Schauer around Oct '99. Briefly, due to aspects of the SPARC ABI, it isn't possible to use ON_STACK with a strictly compliant compiler. |