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| author | tmm <tmm@FreeBSD.org> | 2001-08-22 23:22:47 +0000 |
|---|---|---|
| committer | tmm <tmm@FreeBSD.org> | 2001-08-22 23:22:47 +0000 |
| commit | fd3e5ce275a2d5e8c9b00ef63a862aa2963f934c (patch) | |
| tree | 098f02853705ed0cf9cd0edb318565d76064420c /sys/kern/makesyscalls.sh | |
| parent | ca261a6c5c65aa5a3f72958a11c6754830a1b2df (diff) | |
| download | FreeBSD-src-fd3e5ce275a2d5e8c9b00ef63a862aa2963f934c.zip FreeBSD-src-fd3e5ce275a2d5e8c9b00ef63a862aa2963f934c.tar.gz | |
Add padding before each element of the syscall argument structures in
sysproto.h in addition to the existing padding afterwards.
This is needed to support big-endian architectures like sparc64.
Reviewed by: bde
Tested on alpha by: jhb
Diffstat (limited to 'sys/kern/makesyscalls.sh')
| -rw-r--r-- | sys/kern/makesyscalls.sh | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/sys/kern/makesyscalls.sh b/sys/kern/makesyscalls.sh index 8fd177c..bead4cc 100644 --- a/sys/kern/makesyscalls.sh +++ b/sys/kern/makesyscalls.sh @@ -116,6 +116,13 @@ s/\$//g printf "struct proc;\n\n" > sysarg printf "#define\tPAD_(t)\t(sizeof(register_t) <= sizeof(t) ? \\\n" > sysarg printf "\t\t0 : sizeof(register_t) - sizeof(t))\n\n" > sysarg + printf "#if BYTE_ORDER == LITTLE_ENDIAN\n"> sysarg + printf "#define\tPADL_(t)\t0\n" > sysarg + printf "#define\tPADR_(t)\tPAD_(t)\n" > sysarg + printf "#else\n" > sysarg + printf "#define\tPADL_(t)\tPAD_(t)\n" > sysarg + printf "#define\tPADR_(t)\t0\n" > sysarg + printf "#endif\n\n" > sysarg printf " * created from%s\n */\n\n", $0 > sysnames printf "char *%s[] = {\n", namesname > sysnames @@ -277,7 +284,9 @@ s/\$//g if (argc != 0 && $2 != "NOARGS" && $2 != "NOPROTO") { printf("struct\t%s {\n", argalias) > sysarg for (i = 1; i <= argc; i++) - printf("\t%s\t%s;\tchar %s_[PAD_(%s)];\n", + printf("\tchar %s_l_[PADL_(%s)]; " \ + "%s %s; char %s_r_[PADR_(%s)];\n", + argname[i], argtype[i], argtype[i], argname[i], argname[i], argtype[i]) > sysarg printf("};\n") > sysarg @@ -328,7 +337,9 @@ s/\$//g if (argc != 0 && $2 != "CPT_NOA") { printf("struct\t%s {\n", argalias) > syscompat for (i = 1; i <= argc; i++) - printf("\t%s\t%s;\tchar %s_[PAD_(%s)];\n", + printf("\tchar %s_l_[PADL_(%s)]; %s %s; " \ + "char %s_r_[PADR_(%s)];\n", + argname[i], argtype[i], argtype[i], argname[i], argname[i], argtype[i]) > syscompat printf("};\n") > syscompat @@ -411,6 +422,8 @@ s/\$//g printf("\n#endif /* %s */\n\n", compat) > syscompatdcl printf("#undef PAD_\n") > syscompatdcl + printf("#undef PADL_\n") > syscompatdcl + printf("#undef PADR_\n") > syscompatdcl printf("\n#endif /* !%s */\n", sysproto_h) > syscompatdcl printf("\n") > sysmk |
