mirror of
https://github.com/clearlinux/graphene.git
synced 2026-09-05 13:21:37 +00:00
109 lines
2.4 KiB
Diff
109 lines
2.4 KiB
Diff
diff --git a/elf/syscallas.S b/elf/syscallas.S
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new file mode 120000
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index 0000000..107bd13
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--- /dev/null
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+++ b/elf/syscallas.S
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@@ -0,0 +1 @@
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+../syscallas.S
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\ No newline at end of file
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diff --git a/elf/syscalldb.c b/elf/syscalldb.c
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new file mode 120000
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index 0000000..61dca52
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--- /dev/null
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+++ b/elf/syscalldb.c
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@@ -0,0 +1 @@
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+../syscalldb.c
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\ No newline at end of file
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diff --git a/syscallas.S b/syscallas.S
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new file mode 100644
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index 0000000..07c6ffc
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--- /dev/null
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+++ b/syscallas.S
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@@ -0,0 +1,11 @@
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+#include <syscalldb.h>
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+
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+.weak syscalldb
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+.type syscalldb,@function
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+
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+syscalldb:
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+ .cfi_startproc
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+ syscall
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+ retq
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+ .cfi_endproc
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+ .size syscalldb,.-syscalldb
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diff --git a/syscalldb.c b/syscalldb.c
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new file mode 100644
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index 0000000..7a56162
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--- /dev/null
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+++ b/syscalldb.c
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@@ -0,0 +1,16 @@
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+#include "syscalldb.h"
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+#include <stdarg.h>
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+#include <errno.h>
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+
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+int register_library (const char * name, unsigned long load_address)
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+ __attribute__((weak));
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+
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+int register_library (const char * name, unsigned long load_address)
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+{
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+ return 0;
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+}
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+
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+long int glibc_option (const char * opt)
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+{
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+ return -EINVAL;
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+}
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diff --git a/syscalldb.h b/syscalldb.h
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new file mode 100644
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index 0000000..2833def
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--- /dev/null
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+++ b/syscalldb.h
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@@ -0,0 +1,39 @@
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+#ifndef _SYSCALLDB_H_
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+#define _SYSCALLDB_H_
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+
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+#ifdef __ASSEMBLER__
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+.weak syscalldb
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+.type syscalldb, @function
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+
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+# if defined(PSEUDO) && defined(SYSCALL_NAME) && defined(SYSCALL_SYMBOL)
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+# define SYSCALLDB \
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+ subq $128, %rsp; \
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+ callq *syscalldb@GOTPCREL(%rip); \
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+ addq $128, %rsp
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+# else
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+# define SYSCALLDB \
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+ callq *syscalldb@GOTPCREL(%rip)
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+# endif
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+
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+#else /* !__ASSEMBLER__ */
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+asm (
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+".weak syscalldb\r\n"
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+".type syscalldb, @function\r\n");
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+
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+#define SYSCALLDB \
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+ "subq $128, %%rsp\n\t" \
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+ "callq *syscalldb@GOTPCREL(%%rip)\n\t" \
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+ "addq $128, %%rsp\n\t"
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+
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+#define SYSCALLDB_ASM \
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+ "callq *syscalldb@GOTPCREL(%rip)\n\t"
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+
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+long int glibc_option (const char * opt);
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+
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+asm (
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+".weak glibc_option\r\n"
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+".type glibc_option, @function\r\n");
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+
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+#endif /* Assembler */
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+
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+#endif /* _SYSCALLDB_H */
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diff --git a/sysdeps/unix/sysv/linux/x86_64/syscalldb.h b/sysdeps/unix/sysv/linux/x86_64/syscalldb.h
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new file mode 120000
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index 0000000..55ab305
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--- /dev/null
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+++ b/sysdeps/unix/sysv/linux/x86_64/syscalldb.h
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@@ -0,0 +1 @@
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+../../../../../syscalldb.h
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\ No newline at end of file
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