| author |  meme <meme@users.noreply.github.com> 2019-09-27 16:51:42-04:00 |
| committer | meme <meme@users.noreply.github.com> 2019-09-27 16:51:42-04:00 |
| log | f7bf61a98349c7d888e8808047912c482a2d2560 |
| tree | 0298b394aa5f052a9a0c5ccb2eaf798dcf26c1f2 |
| parent | 805f9b309bee2d1a6c4fa34f1bc2746a8e60c35f |
support Android NDK and bionic
4 files changed, 46 insertions(+), 13 deletions(-)
lib- std
lib/std/c/linux.zig+12-2
| ... | @@ -1,9 +1,19 @@ | ... | @@ -1,9 +1,19 @@ |
| 1 | const builtin = @import("builtin"); | ||
| 1 | const std = @import("../std.zig"); | 2 | const std = @import("../std.zig"); |
| 2 | const maxInt = std.math.maxInt; | 3 | const maxInt = std.math.maxInt; |
| 3 | usingnamespace std.c; | 4 | usingnamespace std.c; |
| 4 | 5 | ||
| 5 | extern "c" fn __errno_location() *c_int; | 6 | pub const _errno = switch (builtin.abi) { |
| 6 | pub const _errno = __errno_location; | 7 | .android => struct { |
| 8 | extern "c" var __errno: c_int; | ||
| 9 | fn getErrno() *c_int { | ||
| 10 | return &__errno; | ||
| 11 | } | ||
| 12 | }.getErrno, | ||
| 13 | else => struct { | ||
| 14 | extern "c" fn __errno_location() *c_int; | ||
| 15 | }.__errno_location, | ||
| 16 | }; | ||
| 7 | 17 | ||
| 8 | pub const MAP_FAILED = @intToPtr(*c_void, maxInt(usize)); | 18 | pub const MAP_FAILED = @intToPtr(*c_void, maxInt(usize)); |
| 9 | 19 |
src/link.cpp+27-9
| ... | @@ -1653,6 +1653,10 @@ static void construct_linker_job_elf(LinkJob *lj) { | ... | @@ -1653,6 +1653,10 @@ static void construct_linker_job_elf(LinkJob *lj) { |
| 1653 | soname = buf_sprintf("lib%s.so.%" ZIG_PRI_usize, buf_ptr(g->root_out_name), g->version_major); | 1653 | soname = buf_sprintf("lib%s.so.%" ZIG_PRI_usize, buf_ptr(g->root_out_name), g->version_major); |
| 1654 | } | 1654 | } |
| 1655 | 1655 | ||
| 1656 | if (target_requires_pie(g->zig_target) && !is_dyn_lib) { | ||
| 1657 | lj->args.append("-pie"); | ||
| 1658 | } | ||
| 1659 | |||
| 1656 | lj->args.append("-o"); | 1660 | lj->args.append("-o"); |
| 1657 | lj->args.append(buf_ptr(&g->output_file_path)); | 1661 | lj->args.append(buf_ptr(&g->output_file_path)); |
| 1658 | 1662 | ||
| ... | @@ -1660,8 +1664,14 @@ static void construct_linker_job_elf(LinkJob *lj) { | ... | @@ -1660,8 +1664,14 @@ static void construct_linker_job_elf(LinkJob *lj) { |
| 1660 | const char *crt1o; | 1664 | const char *crt1o; |
| 1661 | if (g->zig_target->os == OsNetBSD) { | 1665 | if (g->zig_target->os == OsNetBSD) { |
| 1662 | crt1o = "crt0.o"; | 1666 | crt1o = "crt0.o"; |
| 1667 | } else if (target_is_android(g->zig_target)) { | ||
| 1668 | crt1o = "crtbegin_dynamic.o"; | ||
| 1663 | } else if (!g->have_dynamic_link) { | 1669 | } else if (!g->have_dynamic_link) { |
| 1664 | crt1o = "crt1.o"; | 1670 | if (target_is_android(g->zig_target)) { |
| 1671 | crt1o = "crtbegin.o"; | ||
| 1672 | } else { | ||
| 1673 | crt1o = "crt1.o"; | ||
| 1674 | } | ||
| 1665 | } else { | 1675 | } else { |
| 1666 | crt1o = "Scrt1.o"; | 1676 | crt1o = "Scrt1.o"; |
| 1667 | } | 1677 | } |
| ... | @@ -1768,21 +1778,27 @@ static void construct_linker_job_elf(LinkJob *lj) { | ... | @@ -1768,21 +1778,27 @@ static void construct_linker_job_elf(LinkJob *lj) { |
| 1768 | if (!g->have_dynamic_link) { | 1778 | if (!g->have_dynamic_link) { |
| 1769 | lj->args.append("--start-group"); | 1779 | lj->args.append("--start-group"); |
| 1770 | lj->args.append("-lgcc"); | 1780 | lj->args.append("-lgcc"); |
| 1771 | lj->args.append("-lgcc_eh"); | 1781 | if (!target_is_android(g->zig_target)) { |
| 1782 | lj->args.append("-lgcc_eh"); | ||
| 1783 | } | ||
| 1772 | lj->args.append("-lc"); | 1784 | lj->args.append("-lc"); |
| 1773 | lj->args.append("-lm"); | 1785 | lj->args.append("-lm"); |
| 1774 | lj->args.append("--end-group"); | 1786 | lj->args.append("--end-group"); |
| 1775 | } else { | 1787 | } else { |
| 1776 | lj->args.append("-lgcc"); | 1788 | lj->args.append("-lgcc"); |
| 1777 | lj->args.append("--as-needed"); | 1789 | if (!target_is_android(g->zig_target)) { |
| 1778 | lj->args.append("-lgcc_s"); | 1790 | lj->args.append("--as-needed"); |
| 1779 | lj->args.append("--no-as-needed"); | 1791 | lj->args.append("-lgcc_s"); |
| 1792 | lj->args.append("--no-as-needed"); | ||
| 1793 | } | ||
| 1780 | lj->args.append("-lc"); | 1794 | lj->args.append("-lc"); |
| 1781 | lj->args.append("-lm"); | 1795 | lj->args.append("-lm"); |
| 1782 | lj->args.append("-lgcc"); | 1796 | lj->args.append("-lgcc"); |
| 1783 | lj->args.append("--as-needed"); | 1797 | if (!target_is_android(g->zig_target)) { |
| 1784 | lj->args.append("-lgcc_s"); | 1798 | lj->args.append("--as-needed"); |
| 1785 | lj->args.append("--no-as-needed"); | 1799 | lj->args.append("-lgcc_s"); |
| 1800 | lj->args.append("--no-as-needed"); | ||
| 1801 | } | ||
| 1786 | } | 1802 | } |
| 1787 | 1803 | ||
| 1788 | if (g->zig_target->os == OsFreeBSD) { | 1804 | if (g->zig_target->os == OsFreeBSD) { |
| ... | @@ -1805,7 +1821,9 @@ static void construct_linker_job_elf(LinkJob *lj) { | ... | @@ -1805,7 +1821,9 @@ static void construct_linker_job_elf(LinkJob *lj) { |
| 1805 | } | 1821 | } |
| 1806 | 1822 | ||
| 1807 | // crt end | 1823 | // crt end |
| 1808 | if (lj->link_in_crt && target_libc_needs_crti_crtn(g->zig_target)) { | 1824 | if (target_is_android(g->zig_target) && g->have_dynamic_link) { |
| 1825 | lj->args.append(get_libc_crt_file(g, "crtend_android.o")); | ||
| 1826 | } else if (lj->link_in_crt && target_libc_needs_crti_crtn(g->zig_target)) { | ||
| 1809 | lj->args.append(get_libc_crt_file(g, "crtn.o")); | 1827 | lj->args.append(get_libc_crt_file(g, "crtn.o")); |
| 1810 | } | 1828 | } |
| 1811 | 1829 |
src/target.cpp+6-2
| ... | @@ -1590,10 +1590,14 @@ bool target_supports_stack_probing(const ZigTarget *target) { | ... | @@ -1590,10 +1590,14 @@ bool target_supports_stack_probing(const ZigTarget *target) { |
| 1590 | 1590 | ||
| 1591 | bool target_requires_pic(const ZigTarget *target, bool linking_libc) { | 1591 | bool target_requires_pic(const ZigTarget *target, bool linking_libc) { |
| 1592 | // This function returns whether non-pic code is completely invalid on the given target. | 1592 | // This function returns whether non-pic code is completely invalid on the given target. |
| 1593 | return target->os == OsWindows || target->os == OsUefi || target_os_requires_libc(target->os) || | 1593 | return target_is_android(target) || target->os == OsWindows || target->os == OsUefi || target_os_requires_libc(target->os) || |
| 1594 | (linking_libc && target_is_glibc(target)); | 1594 | (linking_libc && target_is_glibc(target)); |
| 1595 | } | 1595 | } |
| 1596 | 1596 | ||
| 1597 | bool target_requires_pie(const ZigTarget *target) { | ||
| 1598 | return target_is_android(target); | ||
| 1599 | } | ||
| 1600 | |||
| 1597 | bool target_is_glibc(const ZigTarget *target) { | 1601 | bool target_is_glibc(const ZigTarget *target) { |
| 1598 | return target->os == OsLinux && target_abi_is_gnu(target->abi); | 1602 | return target->os == OsLinux && target_abi_is_gnu(target->abi); |
| 1599 | } | 1603 | } |
| ... | @@ -1876,7 +1880,7 @@ bool target_supports_libunwind(const ZigTarget *target) { | ... | @@ -1876,7 +1880,7 @@ bool target_supports_libunwind(const ZigTarget *target) { |
| 1876 | } | 1880 | } |
| 1877 | 1881 | ||
| 1878 | bool target_libc_needs_crti_crtn(const ZigTarget *target) { | 1882 | bool target_libc_needs_crti_crtn(const ZigTarget *target) { |
| 1879 | if (target->arch == ZigLLVM_riscv32 || target->arch == ZigLLVM_riscv64) { | 1883 | if (target->arch == ZigLLVM_riscv32 || target->arch == ZigLLVM_riscv64 || target_is_android(target)) { |
| 1880 | return false; | 1884 | return false; |
| 1881 | } | 1885 | } |
| 1882 | return true; | 1886 | return true; |
src/target.hpp+1
| ... | @@ -182,6 +182,7 @@ const char *target_libc_generic_name(const ZigTarget *target); | ... | @@ -182,6 +182,7 @@ const char *target_libc_generic_name(const ZigTarget *target); |
| 182 | bool target_is_libc_lib_name(const ZigTarget *target, const char *name); | 182 | bool target_is_libc_lib_name(const ZigTarget *target, const char *name); |
| 183 | bool target_supports_fpic(const ZigTarget *target); | 183 | bool target_supports_fpic(const ZigTarget *target); |
| 184 | bool target_requires_pic(const ZigTarget *target, bool linking_libc); | 184 | bool target_requires_pic(const ZigTarget *target, bool linking_libc); |
| 185 | bool target_requires_pie(const ZigTarget *target); | ||
| 185 | bool target_abi_is_gnu(ZigLLVM_EnvironmentType abi); | 186 | bool target_abi_is_gnu(ZigLLVM_EnvironmentType abi); |
| 186 | bool target_abi_is_musl(ZigLLVM_EnvironmentType abi); | 187 | bool target_abi_is_musl(ZigLLVM_EnvironmentType abi); |
| 187 | bool target_is_glibc(const ZigTarget *target); | 188 | bool target_is_glibc(const ZigTarget *target); |