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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
commit 9e94f57484a2aba0fe67ea2059b5843f651887c2
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
Author: Adhemerval Zanella <adhemerval.zanella@linaro.org>
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
Date: Fri Feb 4 15:54:59 2022 -0300
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
hppa: Fix bind-now audit (BZ #28857)
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
On hppa, a function pointer returned by la_symbind is actually a function
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
descriptor has the plabel bit set (bit 30). This must be cleared to get
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
the actual address of the descriptor. If the descriptor has been bound,
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
the first word of the descriptor is the physical address of theA function,
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
otherwise, the first word of the descriptor points to a trampoline in the
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
PLT.
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
This patch also adds a workaround on tests because on hppa (and it seems
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
to be the only ABI I have see it), some shared library adds a dynamic PLT
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
relocation to am empty symbol name:
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
$ readelf -r elf/tst-audit25mod1.so
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
[...]
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
Relocation section '.rela.plt' at offset 0x464 contains 6 entries:
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
Offset Info Type Sym.Value Sym. Name + Addend
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
00002008 00000081 R_PARISC_IPLT 508
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
[...]
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
It breaks some assumptions on the test, where a symbol with an empty
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
name ("") is passed on la_symbind.
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
Checked on x86_64-linux-gnu and hppa-linux-gnu.
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
diff --git a/elf/Makefile b/elf/Makefile
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
index 73d347339762fc9e..6d39b400060a73f3 100644
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
--- a/elf/Makefile
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+++ b/elf/Makefile
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
@@ -2113,7 +2113,7 @@ $(objpfx)tst-audit24c.out: $(objpfx)tst-auditmod24c.so
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
$(objpfx)tst-audit24c: $(objpfx)tst-audit24amod1.so \
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
$(objpfx)tst-audit24amod2.so
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
tst-audit24c-ENV = LD_BIND_NOW=1 LD_AUDIT=$(objpfx)tst-auditmod24c.so
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
-LDFLAGS-tst-audit24b = -Wl,-z,lazy
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+LDFLAGS-tst-audit24c = -Wl,-z,lazy
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
$(objpfx)tst-audit24d.out: $(objpfx)tst-auditmod24d.so
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
$(objpfx)tst-audit24d: $(objpfx)tst-audit24dmod1.so \
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
diff --git a/elf/dl-audit.c b/elf/dl-audit.c
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
index 72a50717ef60a357..ec9b032eae37c103 100644
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
--- a/elf/dl-audit.c
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+++ b/elf/dl-audit.c
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
@@ -257,7 +257,8 @@ _dl_audit_symbind (struct link_map *l, struct reloc_result *reloc_result,
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
reloc_result->flags = flags;
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
}
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- DL_FIXUP_BINDNOW_RELOC (value, new_value, sym.st_value);
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+ if (flags & LA_SYMB_ALTVALUE)
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+ DL_FIXUP_BINDNOW_RELOC (value, new_value, sym.st_value);
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
}
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
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4c1956 |
void
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
diff --git a/elf/tst-auditmod24a.c b/elf/tst-auditmod24a.c
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
index d8e88f3984af1707..3075dfae2fd3d288 100644
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
--- a/elf/tst-auditmod24a.c
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+++ b/elf/tst-auditmod24a.c
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
@@ -110,5 +110,7 @@ la_symbind32 (Elf32_Sym *sym, unsigned int ndx,
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
return sym->st_value;
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
}
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
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4c1956 |
- abort ();
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+ if (symname[0] != '\0')
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4c1956 |
+ abort ();
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4c1956 |
+ return sym->st_value;
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
}
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
diff --git a/elf/tst-auditmod24d.c b/elf/tst-auditmod24d.c
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
index 8c803ecc0a48f21b..badc6be451ee0357 100644
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
--- a/elf/tst-auditmod24d.c
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+++ b/elf/tst-auditmod24d.c
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
@@ -116,5 +116,7 @@ la_symbind32 (Elf32_Sym *sym, unsigned int ndx,
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
}
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
}
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- abort ();
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+ if (symname[0] != '\0')
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+ abort ();
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4c1956 |
+ return sym->st_value;
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
}
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
diff --git a/elf/tst-auditmod25.c b/elf/tst-auditmod25.c
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
index 526f5c54bc2c3b8c..20640a8daf346b5f 100644
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
--- a/elf/tst-auditmod25.c
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+++ b/elf/tst-auditmod25.c
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
@@ -72,7 +72,7 @@ la_symbind32 (Elf32_Sym *sym, unsigned int ndx,
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
unsigned int *flags, const char *symname)
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
#endif
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
{
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- if (*refcook != -1 && *defcook != -1)
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+ if (*refcook != -1 && *defcook != -1 && symname[0] != '\0')
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
fprintf (stderr, "la_symbind: %s %u\n", symname,
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
*flags & (LA_SYMB_NOPLTENTER | LA_SYMB_NOPLTEXIT) ? 1 : 0);
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
return sym->st_value;
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
diff --git a/sysdeps/hppa/dl-lookupcfg.h b/sysdeps/hppa/dl-lookupcfg.h
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
index c3fea1fe5776b17a..86f6a04af46c87ba 100644
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
--- a/sysdeps/hppa/dl-lookupcfg.h
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+++ b/sysdeps/hppa/dl-lookupcfg.h
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
@@ -79,7 +79,9 @@ void attribute_hidden _dl_unmap (struct link_map *map);
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
/* Extract the code address from a fixup value */
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
#define DL_FIXUP_VALUE_CODE_ADDR(value) ((value).ip)
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
#define DL_FIXUP_VALUE_ADDR(value) ((uintptr_t) &(value))
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
-#define DL_FIXUP_ADDR_VALUE(addr) (*(struct fdesc *) (addr))
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+/* Clear the plabel bit to get the actual address of the descriptor. */
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+#define DL_FIXUP_ADDR_VALUE(addr) \
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+ (*(DL_FIXUP_VALUE_TYPE *) ((uintptr_t) (addr) & ~2))
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
#define DL_FIXUP_BINDNOW_ADDR_VALUE(addr) (addr)
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
-#define DL_FIXUP_BINDNOW_RELOC(value, new_value, st_value) \
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
- (*value) = *(struct fdesc *) (st_value)
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+#define DL_FIXUP_BINDNOW_RELOC(value, new_value, st_value) \
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![](https://seccdn.libravatar.org/avatar/fcc0873d860f7e6944b3abea5b6b447609288dcd55d37b92d3e9e9b1a1e81f06?s=16&d=retro) |
4c1956 |
+ *(value) = *(DL_FIXUP_VALUE_TYPE *) ((uintptr_t) (new_value) & ~2)
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