diff options
Diffstat (limited to 'Documentation/userspace-api')
| -rw-r--r-- | Documentation/userspace-api/ELF.rst | 34 | ||||
| -rw-r--r-- | Documentation/userspace-api/index.rst | 1 | ||||
| -rw-r--r-- | Documentation/userspace-api/media/v4l/pixfmt-rgb.rst | 5 |
3 files changed, 36 insertions, 4 deletions
diff --git a/Documentation/userspace-api/ELF.rst b/Documentation/userspace-api/ELF.rst new file mode 100644 index 000000000000..ac8aeacd458d --- /dev/null +++ b/Documentation/userspace-api/ELF.rst @@ -0,0 +1,34 @@ +.. SPDX-License-Identifier: GPL-2.0 + +================================= +Linux-specific ELF idiosyncrasies +================================= + +Definitions +=========== + +"First" program header is the one with the smallest offset in the file: +e_phoff. + +"Last" program header is the one with the biggest offset in the file: +e_phoff + (e_phnum - 1) * sizeof(Elf_Phdr). + +PT_INTERP +========= + +First PT_INTERP program header is used to locate the filename of ELF +interpreter. Other PT_INTERP headers are ignored (since Linux 2.4.11). + +PT_GNU_STACK +============ + +Last PT_GNU_STACK program header defines userspace stack executability +(since Linux 2.6.6). Other PT_GNU_STACK headers are ignored. + +PT_GNU_PROPERTY +=============== + +ELF interpreter's last PT_GNU_PROPERTY program header is used (since +Linux 5.8). If interpreter doesn't have one, then the last PT_GNU_PROPERTY +program header of an executable is used. Other PT_GNU_PROPERTY headers +are ignored. diff --git a/Documentation/userspace-api/index.rst b/Documentation/userspace-api/index.rst index f16337bdb852..72a65db0c498 100644 --- a/Documentation/userspace-api/index.rst +++ b/Documentation/userspace-api/index.rst @@ -23,6 +23,7 @@ place where this information is gathered. spec_ctrl accelerators/ocxl ebpf/index + ELF ioctl/index iommu iommufd diff --git a/Documentation/userspace-api/media/v4l/pixfmt-rgb.rst b/Documentation/userspace-api/media/v4l/pixfmt-rgb.rst index d330aeb4d3eb..d9d7b7621d8c 100644 --- a/Documentation/userspace-api/media/v4l/pixfmt-rgb.rst +++ b/Documentation/userspace-api/media/v4l/pixfmt-rgb.rst @@ -778,7 +778,7 @@ number of bits for each component. \tiny \setlength{\tabcolsep}{2pt} -.. tabularcolumns:: |p{2.8cm}|p{2.0cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}| +.. tabularcolumns:: |p{3.2cm}|p{0.8cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}|p{0.22cm}| .. flat-table:: RGB Formats 10 Bits Per Color Component @@ -868,7 +868,6 @@ number of bits for each component. - r\ :sub:`4` - r\ :sub:`3` - r\ :sub:`2` - - * .. _V4L2-PIX-FMT-RGBA1010102: - ``V4L2_PIX_FMT_RGBA1010102`` @@ -909,7 +908,6 @@ number of bits for each component. - r\ :sub:`4` - r\ :sub:`3` - r\ :sub:`2` - - * .. _V4L2-PIX-FMT-ARGB2101010: - ``V4L2_PIX_FMT_ARGB2101010`` @@ -950,7 +948,6 @@ number of bits for each component. - r\ :sub:`6` - r\ :sub:`5` - r\ :sub:`4` - - .. raw:: latex |