diff options
Diffstat (limited to 'templates')
| -rw-r--r-- | templates/func_deps | 4 | ||||
| -rw-r--r-- | templates/guts | 16 | ||||
| -rw-r--r-- | templates/port_deps | 5 | ||||
| -rw-r--r-- | templates/port_wrappers | 5 | ||||
| -rw-r--r-- | templates/pseudo_ports | 6 | ||||
| -rw-r--r-- | templates/wrapfuncs.c | 95 | ||||
| -rw-r--r-- | templates/wrapfuncs.h | 12 | ||||
| -rw-r--r-- | templates/wrapper_table | 24 |
8 files changed, 167 insertions, 0 deletions
diff --git a/templates/func_deps b/templates/func_deps new file mode 100644 index 0000000..ace0a2f --- /dev/null +++ b/templates/func_deps @@ -0,0 +1,4 @@ +@name func_deps.mk +${funcdeps} +@header +# Per-function extra dependencies diff --git a/templates/guts b/templates/guts new file mode 100644 index 0000000..e2c9880 --- /dev/null +++ b/templates/guts @@ -0,0 +1,16 @@ +@name ports/${port}/guts/${name}.c +@header +@body +/* + * Copyright (c) ${date} Wind River Systems; see + * guts/COPYRIGHT for information. + * + * ${comment} + * ${rc_decl} + */ + + ${rc_assign} real_${name}(${call_args}); + +/* ${rc_return} + * } + */ diff --git a/templates/port_deps b/templates/port_deps new file mode 100644 index 0000000..8f53db7 --- /dev/null +++ b/templates/port_deps @@ -0,0 +1,5 @@ +@name port_deps.mk +@port +${portdeps} +@header +# port dependencies diff --git a/templates/port_wrappers b/templates/port_wrappers new file mode 100644 index 0000000..7ff7ff8 --- /dev/null +++ b/templates/port_wrappers @@ -0,0 +1,5 @@ +@name port_wrappers.c +@header +/* additional hand-written wrappers for ports which provide them */ +@port +${include} diff --git a/templates/pseudo_ports b/templates/pseudo_ports new file mode 100644 index 0000000..113a2b6 --- /dev/null +++ b/templates/pseudo_ports @@ -0,0 +1,6 @@ +@name pseudo_ports.h +@header +/* #defines for port-specific hackery */ +@port +${define} +${portdefs} diff --git a/templates/wrapfuncs.c b/templates/wrapfuncs.c new file mode 100644 index 0000000..3859183 --- /dev/null +++ b/templates/wrapfuncs.c @@ -0,0 +1,95 @@ +@name pseudo_wrapfuncs.c +@header +/* wrapper functions. generated automatically. */ + +/* IF YOU ARE SEEING COMPILER ERRORS IN THIS FILE: + * If you are seeing a whole lot of errors, make sure you aren't actually + * trying to compile pseudo_wrapfuncs.c directly. This file is #included + * from pseudo_wrappers.c, which has a lot of needed include files and + * static declarations. + */ + +/* This file is generated and should not be modified. See the makewrappers + * script if you want to modify this. */ +@body + +static ${type} (*real_${name})(${decl_args}) = ${real_init}; + +${maybe_skip} + +${type} +${name}(${decl_args}) { + sigset_t saved; + ${variadic_decl} + ${rc_decl} + PROFILE_START; + +${maybe_async_skip} + + if (!pseudo_check_wrappers() || !real_$name) { + /* rc was initialized to the "failure" value */ + pseudo_enosys("${name}"); + PROFILE_DONE; + ${rc_return} + } + + ${variadic_start} + + if (pseudo_disabled) { + ${rc_assign} (*real_${name})(${call_args}); + ${variadic_end} + PROFILE_DONE; + ${rc_return} + } + + pseudo_debug(PDBGF_WRAPPER, "wrapper called: ${name}\n"); + pseudo_sigblock(&saved); + pseudo_debug(PDBGF_WRAPPER | PDBGF_VERBOSE, "${name} - signals blocked, obtaining lock\n"); + if (pseudo_getlock()) { + errno = EBUSY; + sigprocmask(SIG_SETMASK, &saved, NULL); + pseudo_debug(PDBGF_WRAPPER, "${name} failed to get lock, giving EBUSY.\n"); + PROFILE_DONE; + ${def_return} + } + + int save_errno; + if (antimagic > 0) { + /* call the real syscall */ + pseudo_debug(PDBGF_SYSCALL, "${name} calling real syscall.\n"); + ${rc_assign} (*real_${name})(${call_args}); + } else { + ${fix_paths} + /* exec*() use this to restore the sig mask */ + pseudo_saved_sigmask = saved; + ${rc_assign} wrap_$name(${call_args}); + } + ${variadic_end} + save_errno = errno; + pseudo_droplock(); + sigprocmask(SIG_SETMASK, &saved, NULL); + pseudo_debug(PDBGF_WRAPPER | PDBGF_VERBOSE, "${name} - yielded lock, restored signals\n"); +#if 0 +/* This can cause hangs on some recentish systems which use locale + * stuff for strerror... + */ + pseudo_debug(PDBGF_WRAPPER, "wrapper completed: ${name} returns ${rc_format} (errno: %s)\n", ${rc_value}, strerror(save_errno)); +#endif + pseudo_debug(PDBGF_WRAPPER, "wrapper completed: ${name} returns ${rc_format} (errno: %d)\n", ${rc_value}, save_errno); + errno = save_errno; + PROFILE_DONE; + ${rc_return} +} + +static ${type} +wrap_${name}(${wrap_args}) { + $rc_decl + ${maybe_variadic_decl} + ${maybe_variadic_start} + +#include "ports/${port}/guts/${name}.c" + + ${rc_return} +} + +${end_maybe_skip} diff --git a/templates/wrapfuncs.h b/templates/wrapfuncs.h new file mode 100644 index 0000000..1ce4fcc --- /dev/null +++ b/templates/wrapfuncs.h @@ -0,0 +1,12 @@ +@name pseudo_wrapfuncs.h +@header +/* wrapper functions. generated automatically. */ + +/* This file is generated and should not be modified. See the makewrappers + * script if you want to modify this. */ +@body +/* ${comment} */ +static ${type} wrap_${name}(${wrap_args}); +static ${type} (*real_${name})(${decl_args}); +${real_predecl} +@footer diff --git a/templates/wrapper_table b/templates/wrapper_table new file mode 100644 index 0000000..bb30530 --- /dev/null +++ b/templates/wrapper_table @@ -0,0 +1,24 @@ +@name pseudo_wrapper_table.c +@header +/* The table of wrapper functions to populate */ + +/* This file is generated and should not be modified. See the makewrappers + * script if you want to modify this. */ +typedef struct { + char *name; /* the name */ + int (**real)(void); /* the underlying syscall */ + int (*wrapper)(void); /* the wrapper from guts/name.c */ + char *version; /* the version, if we know and care */ +} pseudo_function; + +static pseudo_function pseudo_functions[] = { +@body + { /* ${comment}; */ + "${name}${maybe_inode64}", + (int (**)(void)) &real_${name}, + (int (*)(void)) wrap_${name}, + ${version} + }, +@footer + { NULL, NULL, NULL, NULL }, +}; |