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authorMike Frysinger <vapier@gentoo.org>2008-01-05 22:52:13 +0000
committerMike Frysinger <vapier@gentoo.org>2008-01-05 22:52:13 +0000
commit04948fc8d7b325fefa040c9d4a18a2dd86053ab3 (patch)
tree85cd7c2e94651443a152e9ad4535d3092a67fc06
parent9da7457367ccfa42c21af5e5f5fefe4e1188e141 (diff)
add info for elf.h, ldd.c, readelf.c, and MAINTAINERS
-rw-r--r--docs/PORTING21
1 files changed, 21 insertions, 0 deletions
diff --git a/docs/PORTING b/docs/PORTING
index 3c454ddb9..613f06a05 100644
--- a/docs/PORTING
+++ b/docs/PORTING
@@ -65,6 +65,11 @@ TODO: nptl / linuxthreads / linuxthreads.old
====================
=== ldso sysdeps ===
====================
+- elf.h - presumably you've already taught binutils all about the random ELF
+ relocations your arch needs, so now you need to make sure the defines exist
+ for uClibc. make sure the EM_### define exists and all of the R_###_###
+ reloc defines.
+
- enable ldso/shared options in your extra/Configs/Config.ARCH file
- you will need to create the following files in ldso/ldso/ARCH/
dl-debug.h dl-startup.h dl-syscalls.h dl-sysdep.h elfinterp.c resolve.S
@@ -115,3 +120,19 @@ TODO: nptl / linuxthreads / linuxthreads.old
- clean up after call
- jump to function address now stored in PLT
glibc stores this function in libc/sysdeps/ARCH/dl-trampoline.S
+
+- utils/ldd.c - if you want support for ldso cache files (spoiler: you do),
+ then you'll need to teach ldd a little. generally, the fallback code
+ should be smart and "just work", but you should be explicit. just pop
+ it open and add an appropriate ifdef for your arch and set MATCH_MACHINE()
+ and ELFCLASSM. there are plenty examples and you're (hopefully) smart.
+
+====================
+=== Misc Cruft ===
+====================
+- utils/readelf.c - not really needed generally speaking, but might as well
+ add your arch to the giant EM_* list (describe_elf_hdr)
+
+- MAINTAINERS - presumably you're going to submit this code back to mainline
+ and since you're the only one who cares about this arch (right now), you
+ should add yourself to the toplevel MAINTAINERS file. do it.