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2002-09-19 Andrew Cagney <ac131313@redhat.com>

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* gdbint.texinfo (Target Architecture Definition): Revise
	description of STACK_ALIGN.  Add description of FRAME_ALIGN.
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Andrew Cagney 2002-09-19 15:43:49 +00:00
parent 0e327d91fa
commit 790eb8f5c4
2 changed files with 30 additions and 2 deletions
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5
gdb/doc/ChangeLog
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@ -1,3 +1,8 @@
2002-09-19 Andrew Cagney <ac131313@redhat.com>
* gdbint.texinfo (Target Architecture Definition): Revise
description of STACK_ALIGN. Add description of FRAME_ALIGN.
2002-09-19 Joel Brobecker <brobecker@gnat.com>
* gdbint.texinfo (Target Conditionals): Document the new

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gdb/doc/gdbint.texinfo
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@ -3175,6 +3175,23 @@ Define this to an expression that returns 1 if the function invocation
represented by @var{fi} does not have a stack frame associated with it.
Otherwise return 0.
@item frame_align (@var{address})
@anchor{frame_align}
@findex frame_align
Define this to adjust @var{address} so that it meets the alignment
requirements for the start of a new stack frame. A stack frame's
alignment requirements are typically stronger than a target processors
stack alignment requirements (@pxref{STACK_ALIGN}).
This function is used to ensure that, when creating a dummy frame, both
the initial stack pointer and (if needed) the address of the return
value are correctly aligned.
Unlike @code{STACK_ALIGN}, this function always adjusts the address in
the direction of stack growth.
By default, no frame based stack alignment is performed.
@item FRAME_ARGS_ADDRESS_CORRECT
@findex FRAME_ARGS_ADDRESS_CORRECT
See @file{stack.c}.
@ -3690,9 +3707,15 @@ declarations) into @value{GDBN} regnums. If not defined, no conversion will be
done.
@item STACK_ALIGN (@var{addr})
@anchor{STACK_ALIGN}
@findex STACK_ALIGN
Define this to adjust the address to the alignment required for the
processor's stack.
Define this to increase @var{addr} so that it meets the alignment
requirements for the processor's stack.
Unlike @ref{frame_align}, this function always adjusts @var{addr}
upwards.
By default, no stack alignment is performed.
@item STEP_SKIPS_DELAY (@var{addr})
@findex STEP_SKIPS_DELAY