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author | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2003-06-15 19:44:49 +0000 |
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committer | bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162> | 2003-06-15 19:44:49 +0000 |
commit | d219f7e7edf7874ae1572d9c6a8e9283c6f36bbc (patch) | |
tree | 0f3a9a95466272a5e71b3d491866b2a111155c86 /dyngen.c | |
parent | 95cbfc643dd8e0c4dd3690fbbbbc20f2a8af5998 (diff) | |
download | hqemu-d219f7e7edf7874ae1572d9c6a8e9283c6f36bbc.zip hqemu-d219f7e7edf7874ae1572d9c6a8e9283c6f36bbc.tar.gz |
output gen_op_xxx() in a separate file
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@234 c046a42c-6fe2-441c-8c8c-71466251a162
Diffstat (limited to 'dyngen.c')
-rw-r--r-- | dyngen.c | 54 |
1 files changed, 34 insertions, 20 deletions
@@ -110,6 +110,12 @@ typedef uint64_t host_ulong; #include "thunk.h" +enum { + OUT_GEN_OP, + OUT_CODE, + OUT_INDEX_OP, +}; + /* all dynamically generated functions begin with this code */ #define OP_PREFIX "op_" @@ -1087,7 +1093,7 @@ void gen_code(const char *name, host_ulong offset, host_ulong size, } /* load an elf object file */ -int load_elf(const char *filename, FILE *outfile, int do_print_enum) +int load_elf(const char *filename, FILE *outfile, int out_type) { int fd; struct elf_shdr *sec, *symtab_sec, *strtab_sec, *text_sec; @@ -1195,7 +1201,7 @@ int load_elf(const char *filename, FILE *outfile, int do_print_enum) } } - if (do_print_enum) { + if (out_type == OUT_INDEX_OP) { fprintf(outfile, "DEF(end, 0, 0)\n"); for(i = 0, sym = symtab; i < nb_syms; i++, sym++) { const char *name, *p; @@ -1205,6 +1211,20 @@ int load_elf(const char *filename, FILE *outfile, int do_print_enum) text, relocs, nb_relocs, 2); } } + } else if (out_type == OUT_GEN_OP) { + /* generate gen_xxx functions */ + + for(i = 0, sym = symtab; i < nb_syms; i++, sym++) { + const char *name; + name = strtab + sym->st_name; + if (strstart(name, OP_PREFIX, NULL)) { + if (sym->st_shndx != (text_sec - shdr)) + error("invalid section for opcode (0x%x)", sym->st_shndx); + gen_code(name, sym->st_value, sym->st_size, outfile, + text, relocs, nb_relocs, 0); + } + } + } else { /* generate big code generation switch */ fprintf(outfile, @@ -1305,22 +1325,12 @@ fprintf(outfile, default: error("unknown ELF architecture"); } - + /* flush instruction cache */ + fprintf(outfile, "flush_icache_range((unsigned long)gen_code_buf, (unsigned long)gen_code_ptr);\n"); + fprintf(outfile, "return gen_code_ptr - gen_code_buf;\n"); fprintf(outfile, "}\n\n"); -/* generate gen_xxx functions */ -/* XXX: suppress the use of these functions to simplify code */ - for(i = 0, sym = symtab; i < nb_syms; i++, sym++) { - const char *name; - name = strtab + sym->st_name; - if (strstart(name, OP_PREFIX, NULL)) { - if (sym->st_shndx != (text_sec - shdr)) - error("invalid section for opcode (0x%x)", sym->st_shndx); - gen_code(name, sym->st_value, sym->st_size, outfile, - text, relocs, nb_relocs, 0); - } - } } close(fd); @@ -1333,20 +1343,21 @@ void usage(void) "usage: dyngen [-o outfile] [-c] objfile\n" "Generate a dynamic code generator from an object file\n" "-c output enum of operations\n" + "-g output gen_op_xx() functions\n" ); exit(1); } int main(int argc, char **argv) { - int c, do_print_enum; + int c, out_type; const char *filename, *outfilename; FILE *outfile; outfilename = "out.c"; - do_print_enum = 0; + out_type = OUT_CODE; for(;;) { - c = getopt(argc, argv, "ho:c"); + c = getopt(argc, argv, "ho:cg"); if (c == -1) break; switch(c) { @@ -1357,7 +1368,10 @@ int main(int argc, char **argv) outfilename = optarg; break; case 'c': - do_print_enum = 1; + out_type = OUT_INDEX_OP; + break; + case 'g': + out_type = OUT_GEN_OP; break; } } @@ -1367,7 +1381,7 @@ int main(int argc, char **argv) outfile = fopen(outfilename, "w"); if (!outfile) error("could not open '%s'", outfilename); - load_elf(filename, outfile, do_print_enum); + load_elf(filename, outfile, out_type); fclose(outfile); return 0; } |