diff options
Diffstat (limited to 'libbb/common_bufsiz.c')
| -rw-r--r-- | libbb/common_bufsiz.c | 46 |
1 files changed, 23 insertions, 23 deletions
diff --git a/libbb/common_bufsiz.c b/libbb/common_bufsiz.c index f1124ba..6bc6d7b 100644 --- a/libbb/common_bufsiz.c +++ b/libbb/common_bufsiz.c @@ -10,35 +10,35 @@ //config: bool "Use the end of BSS page" //config: default n //config: help -//config: Attempt to reclaim a small unused part of BSS. +//config: Attempt to reclaim a small unused part of BSS. //config: -//config: Executables have the following parts: -//config: = read-only executable code and constants, also known as "text" -//config: = read-write data -//config: = non-initialized (zeroed on demand) data, also known as "bss" +//config: Executables have the following parts: +//config: = read-only executable code and constants, also known as "text" +//config: = read-write data +//config: = non-initialized (zeroed on demand) data, also known as "bss" //config: -//config: At link time, "text" is padded to a full page. At runtime, all "text" -//config: pages are mapped RO and executable. +//config: At link time, "text" is padded to a full page. At runtime, all "text" +//config: pages are mapped RO and executable. //config: -//config: "Data" starts on the next page boundary, but is not padded -//config: to a full page at the end. "Bss" starts wherever "data" ends. -//config: At runtime, "data" pages are mapped RW and they are file-backed -//config: (this includes a small portion of "bss" which may live in the last -//config: partial page of "data"). -//config: Pages which are fully in "bss" are mapped to anonymous memory. +//config: "Data" starts on the next page boundary, but is not padded +//config: to a full page at the end. "Bss" starts wherever "data" ends. +//config: At runtime, "data" pages are mapped RW and they are file-backed +//config: (this includes a small portion of "bss" which may live in the last +//config: partial page of "data"). +//config: Pages which are fully in "bss" are mapped to anonymous memory. //config: -//config: "Bss" end is usually not page-aligned. There is an unused space -//config: in the last page. Linker marks its start with the "_end" symbol. +//config: "Bss" end is usually not page-aligned. There is an unused space +//config: in the last page. Linker marks its start with the "_end" symbol. //config: -//config: This option will attempt to use that space for bb_common_bufsiz1[] -//config: array. If it fits after _end, it will be used, and COMMON_BUFSIZE -//config: will be enlarged from its guaranteed minimum size of 1 kbyte. -//config: This may require recompilation a second time, since value of _end -//config: is known only after final link. +//config: This option will attempt to use that space for bb_common_bufsiz1[] +//config: array. If it fits after _end, it will be used, and COMMON_BUFSIZE +//config: will be enlarged from its guaranteed minimum size of 1 kbyte. +//config: This may require recompilation a second time, since value of _end +//config: is known only after final link. //config: -//config: If you are getting a build error like this: -//config: appletlib.c:(.text.main+0xd): undefined reference to '_end' -//config: disable this option. +//config: If you are getting a build error like this: +//config: appletlib.c:(.text.main+0xd): undefined reference to '_end' +//config: disable this option. //kbuild:lib-y += common_bufsiz.o |