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| author | midipix <writeonce@midipix.org> | 2015-04-25 10:14:19 -0400 |
|---|---|---|
| committer | midipix <writeonce@midipix.org> | 2015-04-25 10:14:19 -0400 |
| commit | 5085e91a323072e923f46bad4199e6abd9d12ae7 (patch) | |
| tree | 1d007a1140fb6049186e0749a41f615060e834ab /src/ldso | |
| parent | 0f5685a2ffe65b6c6154f5500a26983852eaf1f3 (diff) | |
| download | mmglue-5085e91a323072e923f46bad4199e6abd9d12ae7.tar.bz2 mmglue-5085e91a323072e923f46bad4199e6abd9d12ae7.tar.xz | |
complete/fix support of ctors/dtors and tls.
+ do not build libc.so with -DSHARED for the midipix targets.
+ provide surrogate init/fini arrays that allow invocation of the
ctors/dtors iteration routines.
+ provide a builtin tls for the first thread.
+ update __copy_tls to match the layout of the simplified struct __tls.
signed-off by Z. Gilboa; see copying.midipix (9cd0746c) for additional information.
Diffstat (limited to 'src/ldso')
| -rw-r--r-- | src/ldso/nt32/dynlink.c | 12 | ||||
| -rw-r--r-- | src/ldso/nt32/start.s | 19 | ||||
| -rw-r--r-- | src/ldso/nt64/dynlink.c | 12 | ||||
| -rw-r--r-- | src/ldso/nt64/start.s | 19 |
4 files changed, 52 insertions, 10 deletions
diff --git a/src/ldso/nt32/dynlink.c b/src/ldso/nt32/dynlink.c index c3cb23e..edfa4a8 100644 --- a/src/ldso/nt32/dynlink.c +++ b/src/ldso/nt32/dynlink.c @@ -50,13 +50,15 @@ void *__copy_tls(unsigned char * mem) **/ pthread_t td; - void ** dtv; + uintptr_t addr; - dtv = (void **)mem; - dtv[0] = 0; + addr = (uintptr_t)mem; + addr >>= 4; + addr <<= 4; + addr += 16; - td = (void *)(dtv + 1); - td->dtv = dtv; + td = (struct __pthread *)addr; + td->dtv = 0; return td; } diff --git a/src/ldso/nt32/start.s b/src/ldso/nt32/start.s index 32dc52f..d4815dd 100644 --- a/src/ldso/nt32/start.s +++ b/src/ldso/nt32/start.s @@ -1,2 +1,21 @@ # standard dynamic loader is not required # optional dynamic loader [to be] provided by libldso/libpsxscl + +.section .data + +.globl ___init_array_start +.globl ___init_array_end +.globl ___fini_array_start +.globl ___fini_array_end + +___init_array_start: + .long 0 + +___init_array_end: + .long 0 + +___fini_array_start: + .long 0 + +___fini_array_end: + .long 0 diff --git a/src/ldso/nt64/dynlink.c b/src/ldso/nt64/dynlink.c index c3cb23e..edfa4a8 100644 --- a/src/ldso/nt64/dynlink.c +++ b/src/ldso/nt64/dynlink.c @@ -50,13 +50,15 @@ void *__copy_tls(unsigned char * mem) **/ pthread_t td; - void ** dtv; + uintptr_t addr; - dtv = (void **)mem; - dtv[0] = 0; + addr = (uintptr_t)mem; + addr >>= 4; + addr <<= 4; + addr += 16; - td = (void *)(dtv + 1); - td->dtv = dtv; + td = (struct __pthread *)addr; + td->dtv = 0; return td; } diff --git a/src/ldso/nt64/start.s b/src/ldso/nt64/start.s index 32dc52f..e710319 100644 --- a/src/ldso/nt64/start.s +++ b/src/ldso/nt64/start.s @@ -1,2 +1,21 @@ # standard dynamic loader is not required # optional dynamic loader [to be] provided by libldso/libpsxscl + +.section .data + +.globl __init_array_start +.globl __init_array_end +.globl __fini_array_start +.globl __fini_array_end + +__init_array_start: + .quad 0 + +__init_array_end: + .quad 0 + +__fini_array_start: + .quad 0 + +__fini_array_end: + .quad 0 |