Define SVR4 link map offset fetcher for Linux/ARM.

This commit is contained in:
Kevin Buettner 2001-11-30 20:27:09 +00:00
parent 25d559ca78
commit a42dd537c4
3 changed files with 56 additions and 0 deletions

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@ -1,3 +1,11 @@
2001-11-30 Kevin Buettner <kevinb@redhat.com>
From Louis Hamilton <hamilton@redhat.com>:
* arm-tdep.c (solib-svr4.h): Include.
(arm_linux_svr4_fetch_link_map_offsets): New function.
* config/arm/tm-linux.h (SVR4_FETCH_LINK_MAP_OFFSETS): Define.
(arm_linux_svr4_fetch_link_map_offsets): Declare.
2001-11-30 Daniel Jacobowitz <drow@mvista.com>
* values.c (value_primitive_field): Add embedded_offset to the

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@ -32,6 +32,7 @@
#include "regcache.h"
#include "doublest.h"
#include "value.h"
#include "solib-svr4.h"
/* Each OS has a different mechanism for accessing the various
registers stored in the sigcontext structure.
@ -2068,6 +2069,49 @@ arm_othernames (char *names, int n)
set_disassembly_flavor ();
}
/* Fetch, and possibly build, an appropriate link_map_offsets structure
for ARM linux targets using the struct offsets defined in <link.h>.
Note, however, that link.h is not actually referred to in this file.
Instead, the relevant structs offsets were obtained from examining
link.h. (We can't refer to link.h from this file because the host
system won't necessarily have it, or if it does, the structs which
it defines will refer to the host system, not the target.) */
struct link_map_offsets *
arm_linux_svr4_fetch_link_map_offsets (void)
{
static struct link_map_offsets lmo;
static struct link_map_offsets *lmp = 0;
if (lmp == 0)
{
lmp = &lmo;
lmo.r_debug_size = 8; /* Actual size is 20, but this is all we
need. */
lmo.r_map_offset = 4;
lmo.r_map_size = 4;
lmo.link_map_size = 20; /* Actual size is 552, but this is all we
need. */
lmo.l_addr_offset = 0;
lmo.l_addr_size = 4;
lmo.l_name_offset = 4;
lmo.l_name_size = 4;
lmo.l_next_offset = 12;
lmo.l_next_size = 4;
lmo.l_prev_offset = 16;
lmo.l_prev_size = 4;
}
return lmp;
}
void
_initialize_arm_tdep (void)
{

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@ -26,6 +26,10 @@
#include "tm-linux.h"
/* Use target-specific function to define link map offsets. */
extern struct link_map_offsets *arm_linux_svr4_fetch_link_map_offsets (void);
#define SVR4_FETCH_LINK_MAP_OFFSETS() arm_linux_svr4_fetch_link_map_offsets ()
/* Target byte order on ARM Linux is little endian and not selectable. */
#undef TARGET_BYTE_ORDER_SELECTABLE_P
#define TARGET_BYTE_ORDER_SELECTABLE_P 0