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commit 7daec5a0ce109c04b117d42374a99b849fd8a89a
Author: Ãyvind Harboe <oyv...@zy...>
Date: Sun Nov 22 18:50:57 2009 +0100
todo: add tip on how to identify excessive stack usage
Use dynamic allocations for working memory rather than stack.
Signed-off-by: Ãyvind Harboe <oyv...@zy...>
diff --git a/TODO b/TODO
index 8713e81..2b7fad9 100644
--- a/TODO
+++ b/TODO
@@ -306,6 +306,22 @@ These ideas were first introduced here: @par
The following architectural tasks need to be accomplished and should be
fairly easy to complete:
+
+- use dynamic allocations for working memory. Scan & fix code
+for excessive stack allocations. take linux/scripts/checkpatch.pl and
+see what the worst offenders are. Example, on amd64:
+
+ $ objdump -d | checkpatch.pl | head -10
+ 0x004311e3 image_open [openocd]: 13464
+ 0x00431301 image_open [openocd]: 13464
+ 0x004237a4 target_array2mem [openocd]: 4376
+ 0x0042382b target_array2mem [openocd]: 4376
+ 0x00423e74 target_mem2array [openocd]: 4360
+ 0x00423ef9 target_mem2array [openocd]: 4360
+ 0x00404aed handle_svf_command [openocd]: 2248
+ 0x00404b7e handle_svf_command [openocd]: 2248
+ 0x00413581 handle_flash_fill_command [openocd]: 2200
+ 0x004135fa handle_flash_fill_command [openocd]: 2200
- clean-up code to match style guides
- factor code to eliminate duplicated functionality
- rewrite code that uses casts to access 16-bit and larger types
-----------------------------------------------------------------------
Summary of changes:
TODO | 16 ++++++++++++++++
1 files changed, 16 insertions(+), 0 deletions(-)
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