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Added emscripten (emcc) support to build system and some build fixes

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This commit is contained in:
Clifford Wolf 2014-08-22 16:09:13 +02:00
parent ba83a7bdc6
commit 98442e019d
11 changed files with 101 additions and 14 deletions
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25
kernel/yosys.cc
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@ -19,12 +19,15 @@
#include "kernel/yosys.h"
#include <readline/readline.h>
#include <readline/history.h>
#ifdef YOSYS_ENABLE_READLINE
# include <readline/readline.h>
# include <readline/history.h>
#endif
#include <dlfcn.h>
#include <unistd.h>
#include <limits.h>
#include <errno.h>
YOSYS_NAMESPACE_BEGIN
@ -232,6 +235,11 @@ std::string proc_self_dirname ()
buflen--;
return std::string(path, buflen);
}
#elif defined(EMSCRIPTEN)
std::string proc_self_dirname ()
{
return "/";
}
#else
#error Dont know how to determine process executable base path!
#endif
@ -416,6 +424,7 @@ void run_backend(std::string filename, std::string command, RTLIL::Design *desig
Backend::backend_call(design, NULL, filename, command);
}
#ifdef YOSYS_ENABLE_READLINE
static char *readline_cmd_generator(const char *text, int state)
{
static std::map<std::string, Pass*>::iterator it;
@ -493,6 +502,7 @@ static char **readline_completion(const char *text, int start, int)
return rl_completion_matches(text, readline_obj_generator);
return NULL;
}
#endif
void shell(RTLIL::Design *design)
{
@ -501,16 +511,25 @@ void shell(RTLIL::Design *design)
recursion_counter++;
log_cmd_error_throw = true;
#ifdef YOSYS_ENABLE_READLINE
rl_readline_name = "yosys";
rl_attempted_completion_function = readline_completion;
rl_basic_word_break_characters = " \t\n";
#endif
char *command = NULL;
#ifdef YOSYS_ENABLE_READLINE
while ((command = readline(create_prompt(design, recursion_counter))) != NULL)
#else
char command_buffer[4096];
while ((command = fgets(command_buffer, 4096, stdin)) != NULL)
#endif
{
if (command[strspn(command, " \t\r\n")] == 0)
continue;
#ifdef YOSYS_ENABLE_READLINE
add_history(command);
#endif
char *p = command + strspn(command, " \t\r\n");
if (!strncmp(p, "exit", 4)) {
@ -576,6 +595,7 @@ struct ShellPass : public Pass {
}
} ShellPass;
#ifdef YOSYS_ENABLE_READLINE
struct HistoryPass : public Pass {
HistoryPass() : Pass("history", "show last interactive commands") { }
virtual void help() {
@ -593,6 +613,7 @@ struct HistoryPass : public Pass {
log("%s\n", (*list)->line);
}
} HistoryPass;
#endif
struct ScriptPass : public Pass {
ScriptPass() : Pass("script", "execute commands from script file") { }