* tilegx-tdep.c (tilegx_push_dummy_call): args pushed on stack
should be aligned to 64bit.
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@ -1,3 +1,8 @@
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2013-02-19 Jiong Wang <jiwang@tilera.com>
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* tilegx-tdep.c (tilegx_push_dummy_call): args pushed on stack
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should be aligned to 64bit.
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2013-02-19 Kai Tietz <ktietz@redhat.com>
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* windows-nat.c (windows_xfer_memory): Fix debug-output
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@ -292,7 +292,7 @@ tilegx_push_dummy_call (struct gdbarch *gdbarch,
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int argreg = TILEGX_R0_REGNUM;
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int i, j;
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int typelen, slacklen, alignlen;
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static const gdb_byte two_zero_words[8] = { 0 };
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static const gdb_byte four_zero_words[16] = { 0 };
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/* If struct_return is 1, then the struct return address will
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consume one argument-passing register. */
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@ -326,18 +326,6 @@ tilegx_push_dummy_call (struct gdbarch *gdbarch,
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/* Align SP. */
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stack_dest = tilegx_frame_align (gdbarch, stack_dest);
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/* Loop backwards through arguments to determine stack alignment. */
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alignlen = 0;
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for (j = nargs - 1; j >= i; j--)
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{
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typelen = TYPE_LENGTH (value_enclosing_type (args[j]));
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alignlen += (typelen + 3) & (~3);
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}
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if (alignlen & 0x4)
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stack_dest -= 4;
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/* Loop backwards through remaining arguments and push them on
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the stack, word aligned. */
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for (j = nargs - 1; j >= i; j--)
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@ -347,7 +335,7 @@ tilegx_push_dummy_call (struct gdbarch *gdbarch,
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const gdb_byte *contents = value_contents (args[j]);
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typelen = TYPE_LENGTH (value_enclosing_type (args[j]));
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slacklen = ((typelen + 3) & (~3)) - typelen;
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slacklen = align_up (typelen, 8) - typelen;
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val = xmalloc (typelen + slacklen);
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back_to = make_cleanup (xfree, val);
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memcpy (val, contents, typelen);
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@ -359,9 +347,9 @@ tilegx_push_dummy_call (struct gdbarch *gdbarch,
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do_cleanups (back_to);
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}
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/* Add 2 words for linkage space to the stack. */
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stack_dest = stack_dest - 8;
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write_memory (stack_dest, two_zero_words, 8);
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/* Add 16 bytes for linkage space to the stack. */
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stack_dest = stack_dest - 16;
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write_memory (stack_dest, four_zero_words, 16);
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/* Update stack pointer. */
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regcache_cooked_write_unsigned (regcache, TILEGX_SP_REGNUM, stack_dest);
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