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* arm-linux-tdep.c (arm_linux_init_abi): Register

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IN_SOLIB_CALL_TRAMPOLINE and SKIP_TRAMPOLINE_CODE
* config/arm/tm-linux.h (IN_SOLIB_CALL_TRAMPOLINE): Replace old
definition with undef, since we don't want the sysvr4 definition.
(SKIP_TRAMPOLINE_CODE): Likewise.
This commit is contained in:
Richard Earnshaw 2002-02-23 22:17:12 +00:00
parent 27aac7ff48
commit 0e18d038da
3 changed files with 17 additions and 13 deletions
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8
gdb/ChangeLog
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@ -1,3 +1,11 @@
2002-02-23 Richard Earnshaw <rearnsha@arm.com>
* arm-linux-tdep.c (arm_linux_init_abi): Register
IN_SOLIB_CALL_TRAMPOLINE and SKIP_TRAMPOLINE_CODE
* config/arm/tm-linux.h (IN_SOLIB_CALL_TRAMPOLINE): Replace old
definition with undef, since we don't want the sysvr4 definition.
(SKIP_TRAMPOLINE_CODE): Likewise.
2002-02-23 Andrew Cagney <ac131313@redhat.com>
From 2002-02-22 Alfred M. Szmidt <ams@kemisten.nu>:

6
gdb/arm-linux-tdep.c
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@ -30,7 +30,7 @@
#include "arm-tdep.h"
/* For arm_linux_skip_solib_resolver. */
/* For shared library handling. */
#include "symtab.h"
#include "symfile.h"
#include "objfiles.h"
@ -534,6 +534,10 @@ arm_linux_init_abi (struct gdbarch_info info,
/* The following two overrides shouldn't be needed. */
set_gdbarch_extract_return_value (gdbarch, arm_linux_extract_return_value);
set_gdbarch_push_arguments (gdbarch, arm_linux_push_arguments);
/* Shared library handling. */
set_gdbarch_in_solib_call_trampoline (gdbarch, in_plt_section);
set_gdbarch_skip_trampoline_code (gdbarch, find_solib_trampoline_target);
}
void

16
gdb/config/arm/tm-linux.h
View File

@ -37,23 +37,15 @@ extern struct link_map_offsets *arm_linux_svr4_fetch_link_map_offsets (void);
/* Offset to saved PC in sigcontext structure, from <asm/sigcontext.h> */
#define SIGCONTEXT_PC_OFFSET (sizeof(unsigned long) * 18)
/* On ARM GNU/Linux, each call to a library routine goes through a
small piece of trampoline code in the ".plt" section. The
wait_for_inferior() routine uses this macro to detect when we have
stepped into one of these fragments. We do not use
lookup_solib_trampoline_symbol_by_pc, because we cannot always find
the shared library trampoline symbols. */
extern int in_plt_section (CORE_ADDR, char *);
#define IN_SOLIB_CALL_TRAMPOLINE(pc, name) in_plt_section((pc), (name))
/* We've multi-arched this. */
#undef IN_SOLIB_CALL_TRAMPOLINE
/* On ARM GNU/Linux, a call to a library routine does not have to go
through any trampoline code. */
#define IN_SOLIB_RETURN_TRAMPOLINE(pc, name) 0
/* If PC is in a shared library trampoline code, return the PC
where the function itself actually starts. If not, return 0. */
extern CORE_ADDR find_solib_trampoline_target (CORE_ADDR pc);
#define SKIP_TRAMPOLINE_CODE(pc) find_solib_trampoline_target (pc)
/* We've multi-arched this. */
#undef SKIP_TRAMPOLINE_CODE
/* When we call a function in a shared library, and the PLT sends us
into the dynamic linker to find the function's real address, we