scummvm random work
[patches.git] / bfin-gc-sections.patch
1 --- arch/blackfin/Kconfig
2 +++ arch/blackfin/Kconfig
3 @@ -398,6 +398,14 @@ config I_ENTRY_L1
4 If enabled interrupt entry code (STORE/RESTORE CONTEXT) is linked
5 into L1 instruction memory.(less latency)
6
7 +config GC_SECTIONS
8 + bool "Garbage collect unused functions and data"
9 + default n
10 + help
11 + Tell the compiler to place all functions and variables in their own
12 + sections and then tell the linker to discard any section that aren't
13 + referred to.
14 +
15 endmenu
16
17
18 --- arch/blackfin/Makefile
19 +++ arch/blackfin/Makefile
20 @@ -18,6 +18,12 @@ CFLAGS_MODULE += -mlong-calls
21 KALLSYMS += --symbol-prefix=_
22
23
24 +ifdef CONFIG_GC_SECTIONS
25 +CFLAGS += -ffunction-sections -fdata-sections
26 +LINKFLAGS += --gc-sections
27 +endif
28 +
29 +
30 # setup the machine name and the machine dependent settings
31 machine-$(CONFIG_BF531) := bf533
32 machine-$(CONFIG_BF532) := bf533