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Add padding before each element of the syscall argument structures in

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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
This commit is contained in:
Thomas Moestl 2001-08-22 23:22:47 +00:00
parent a81c08b054
commit a4189a088b
1 changed files with 15 additions and 2 deletions
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17
sys/kern/makesyscalls.sh
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@ -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