diff options
Diffstat (limited to 'tccelf.c')
| -rw-r--r-- | tccelf.c | 11 |
1 files changed, 11 insertions, 0 deletions
@@ -825,7 +825,11 @@ static void tcc_add_runtime(TCCState *s1) } /* name of ELF interpreter */ +#ifdef __FreeBSD__ +static char elf_interp[] = "/usr/libexec/ld-elf.so.1"; +#else static char elf_interp[] = "/lib/ld-linux.so.2"; +#endif #define ELF_START_ADDR 0x08048000 #define ELF_PAGE_SIZE 0x1000 @@ -1165,6 +1169,10 @@ int tcc_output_file(TCCState *s1, const char *filename) ph->p_filesz = file_offset - ph->p_offset; ph->p_memsz = addr - ph->p_vaddr; ph++; + /* if in the middle of a page, we duplicate the page in + memory so that one copy is RX and the other is RW */ + if ((addr & (ELF_PAGE_SIZE - 1)) != 0) + addr += ELF_PAGE_SIZE; } /* if interpreter, then add corresponing program header */ @@ -1324,6 +1332,9 @@ int tcc_output_file(TCCState *s1, const char *filename) ehdr.e_ident[4] = ELFCLASS32; ehdr.e_ident[5] = ELFDATA2LSB; ehdr.e_ident[6] = EV_CURRENT; +#ifdef __FreeBSD__ + ehdr.e_ident[EI_OSABI] = ELFOSABI_FREEBSD; +#endif switch(file_type) { default: case TCC_OUTPUT_EXE: |