this repo has no description
Merge branch 'master' of https://github.com/darlinghq/darling
+90
-16
+14
-16
src/kernel/emulation/linux/process/execve.c
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-16
src/kernel/emulation/linux/process/execve.c
···
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char *nl, *interp, *arg;
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char** modargvp;
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int i, j;
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nl = memchr(m.magic_array, '\n', sizeof(m.magic_array));
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if (nl == NULL)
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return -ENOEXEC;
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*nl = '\0';
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for (i = 2; isspace(m.magic_array[i]); i++);
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interp = &m.magic_array[i];
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for (i = 0; !isspace(interp[i]) && interp[i]; i++);
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if (interp[i] == '\0')
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arg = NULL;
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else
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arg = &interp[i];
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if (arg != NULL)
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{
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*arg = '\0'; // terminate interp
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if (*arg == '\0')
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arg = NULL; // no argument, just whitespace
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}
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// Count original arguments
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while (argvp[len++]);
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// Allocate a new argvp
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modargvp = (char**) __builtin_alloca(sizeof(void*) * (len+3));
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i = 0;
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modargvp[i++] = mldr_path;
···
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if (arg != NULL)
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modargvp[i++] = arg;
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modargvp[i] = fname;
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// Append original arguments
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for (j = 1; j < len+1; j++)
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modargvp[i+j] = argvp[j];
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argvp = modargvp;
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fname = mldr_path;
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}
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else
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{
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return -ENOEXEC;
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}
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// otherwise, it's a native Linux executable (ELF)
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ret = LINUX_SYSCALL(__NR_execve, fname, argvp, envp);
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if (ret < 0)
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tools/stub-gen-c-func.py
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tools/stub-gen-c-func.py
···
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# This file is part of Darling.
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#
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# Copyright (C) 2017 Lubos Dolezel
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#
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# Darling is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Darling is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Darling. If not, see <http://www.gnu.org/licenses/>.
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import sys, subprocess
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def usage():
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print "Usage: %s <Mach-O> <output directory>" % sys.argv[0]
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if len(sys.argv) != 3:
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usage()
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macho = sys.argv[1]
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dest = sys.argv[2]
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out = subprocess.check_output(["nm", "-Ug", macho])
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functions = []
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for line in out.split("\n"):
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if line == "":
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continue
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components = line.split(" ")
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id = components[1]
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name = components[2]
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# Remove the underscore
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name = name[1 : len(name)]
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if id == "T":
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functions.append(name)
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header = open(dest + "/functions.h", "w")
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source = open(dest + "/functions.c", "w")
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copyright ="""/*
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This file is part of Darling.
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Copyright (C) 2017 Lubos Dolezel
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Darling is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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Darling is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with Darling. If not, see <http://www.gnu.org/licenses/>.
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*/
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"""
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header.write(copyright)
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source.write(copyright)
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for funcname in functions:
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header.write("void %s(void);\n" % funcname)
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source.write("void %s(void) { }\n" % funcname)
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header.close()
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source.close()