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author | Paul Brook <paul@codesourcery.com> | 2006-03-08 14:23:31 +0000 |
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committer | Paul Brook <paul@codesourcery.com> | 2006-03-08 14:23:31 +0000 |
commit | 3b5523feb62288960e78ec3ae8e8f2701a46eaa7 (patch) | |
tree | 0535777e8b3af1370e3aa5d6ceb420b0965f5de7 | |
parent | 4fe26b40d2f357f1f103ed8cc14e6e71d03191e0 (diff) | |
download | gdb-3b5523feb62288960e78ec3ae8e8f2701a46eaa7.tar.gz |
2006-03-08 Paul Brook <paul@codesourcery.com>
Backport from mainline.
* gdb/arm-tdep.c (arm_push_dummy_call): Remove stack alignment.
(arm_frame_align): New function.
(arm_gdbarch_init): Use it.
-rw-r--r-- | ChangeLog.csl | 7 | ||||
-rw-r--r-- | gdb/arm-tdep.c | 17 |
2 files changed, 19 insertions, 5 deletions
diff --git a/ChangeLog.csl b/ChangeLog.csl index caf863b80c5..0ce4f4ccfbb 100644 --- a/ChangeLog.csl +++ b/ChangeLog.csl @@ -1,3 +1,10 @@ +2006-03-08 Paul Brook <paul@codesourcery.com> + + Backport from mainline. + * gdb/arm-tdep.c (arm_push_dummy_call): Remove stack alignment. + (arm_frame_align): New function. + (arm_gdbarch_init): Use it. + 2006-03-07 Paul Brook <paul@codesourcery.com> Backport from mainline. diff --git a/gdb/arm-tdep.c b/gdb/arm-tdep.c index 652be4b7234..cb3c2615910 100644 --- a/gdb/arm-tdep.c +++ b/gdb/arm-tdep.c @@ -1173,11 +1173,6 @@ arm_push_dummy_call (struct gdbarch *gdbarch, struct value *function, argreg = ARM_A1_REGNUM; nstack = 0; - /* Some platforms require a double-word aligned stack. Make sure sp - is correctly aligned before we start. We always do this even if - it isn't really needed -- it can never hurt things. */ - sp &= ~(CORE_ADDR)(2 * DEPRECATED_REGISTER_SIZE - 1); - /* The struct_return pointer occupies the first parameter passing register. */ if (struct_return) @@ -1299,6 +1294,17 @@ arm_push_dummy_call (struct gdbarch *gdbarch, struct value *function, return sp; } + +/* Always align the frame to an 8-byte boundary. This is required on + some platforms and harmless on the rest. */ + +static CORE_ADDR +arm_frame_align (struct gdbarch *gdbarch, CORE_ADDR sp) +{ + /* Align the stack to eight bytes. */ + return sp & ~ (CORE_ADDR) 7; +} + static void print_fpu_flags (int flags) { @@ -2738,6 +2744,7 @@ arm_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches) tdep->jb_pc = -1; /* Longjump support not enabled by default. */ set_gdbarch_push_dummy_call (gdbarch, arm_push_dummy_call); + set_gdbarch_frame_align (gdbarch, arm_frame_align); set_gdbarch_write_pc (gdbarch, arm_write_pc); |